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Saturday, 29 December 2018
Monday, 24 December 2018
ASSIGNMENT _24.12.2018
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Class VII Assignment Date:- 24.12.2018
1. Divide the sum of 
and 
by their difference.
and by their difference.
2. Find the value of n if 8 x 2n+2 = 32
3. A man travelled 
of his journey by rail, 
by a taxi, 
by a bus and the
of his journey by rail, by a taxi, by a bus and the
remaining 2 km on
foot . What is the length of his total journey ?
4. The ages of P and Q are in the ratio 8:3 ,Six years hence
, their ages will
be in the ratio
9:4 . Find their present age.
5. A contractor employed 210 men to build a house in 60 days.
After 12
days, he was joined
by 70 more men. In how many days will the
remaining work be
finished ?
6. The price of a tea set is increased by 5% . If the
increased price is Rs
441 , what is its
original price.
7. A man buys lemons at 6 for Rs 10 and sells at 8 for Rs 15.
Find his
gain/loss per cent
8. A sum of money becomes 
of itself in 6 years at a certain rate of
of itself in 6 years at a certain rate of
simple interest .
Find the rate of interest.
Date of submission :- 26.12.2018
Monday, 10 December 2018
SAMPLE PAPER
DASS AND BROWN WORLD SCHOOL
SAMPLE PAPER (2018-19)
Class- VII Subject :- Mathematics M.M: 20
General
Instructions:
1. All the questions are compulsory.
2. Section -A contains questions of one
mark each.
3. Section-B contains questions of two
marks each.
4. Section-C contains questions of three
marks each.
5. Section-D contains questions of four
marks each.
Section- A
1. Find the
number whose 6
% is 2.
2. Find C.P when S.P=
Rs 1755 , Gain = 12
%
Section- B
3. In an examination
96% of the candidates passed and 50 failed. How many candidates
appeared ?
4. A tricycle is sold
at a gain of 15% . Had it been sold for Rs 108 more, the profit would have been
20% . Find its cost price.
Section- C
5. The value of a car decreased
annually by 20% . If the present value of the car be Rs 450000 .
What will be its value after 2 years ?
6. Amit borrowed Rs 12600 from a
money lender at 15% per annum simple interest . After 3
years, he paid Rs 7070 and gave a goat to clear off the debt. What is
the cost of the goat.
Section- D
7. Mr . Aman purchased a video for Rs
20000 and a television for Rs 30000 . On the video he lost
5% and on the television he gain 8% . Find his total gain or loss
percent.
8. Divide Rs 3000 into two parts such
that the simple interest on the first part for 4 years at 8%
per annum is equal to the simple interest on the second part for 2 years
at 9% per annum.
*************************************
Thursday, 22 November 2018
Revise chapter "Profit and loss"
Revise chapter "Profit and loss"
Test of chapter "Profit and loss" on 26.11.2018"
Saturday, 17 November 2018
ASSIGNMENT NO 06_17.11.2018
Assignment no 06
Do Q1 to Q6 of " Test paper 12"
Date of submission - 19.11.2018
Monday, 5 November 2018
ASSIGNMENT 05_06.11.2018
DASS AND
BROWN WORLD SCHOOL
Class VII Mathematics 06.11.2018
Assignment no-05
1.Find 20% less
than Rs 70. Ans- 56
2. A grocer buys
eggs at 10 for Rs 8 and sells at
8 for Rs 10. Find his gain or loss percent
?
Ans- 56 ¼
3.Neeru bought
1600 bananas at Rs 3.75 a
dozen. She sold 900 of them at 2 for Rs 1
and
the remaining at 5 for Rs 2 . Find gain or
loss
percent Ans- 46%
4.If the cost
price of 6 pencils is equal to the
selling price of 5 pencils, find the gain
percent Ans-
20%
5.A farmer
borrowed Rs 2400 at 12% interest
per annum. At the end of 2 ½ years, he
cleared his account by paying Rs 1200 and a
cow . Find the cost of the cow . Ans- Rs 1920
6.The population
of a town increases by 6%
annually . If the present population is
17490 ,
what was it a year ago ? Ans- 16500
7.Manohar
purchased two handbags for Rs
1500 each . He sold these bags , gaining 8%
on one and losing 4% on the other . Find
his
gain or loss percent in the whole
transaction.
Ans- 2%
8.A man sold
chairs for Rs 500 each . On one he
gains 20% and on the other he loses 12% .
Calculate the gain or loss percent in the
whole transaction . Ans- 1.5%
Friday, 26 October 2018
ASSIGNMENT 04_26.10.2018
Assignment no 04
Do the following questions of exercise-->12A ( Q2, Q4, Q6, Q8, Q10 and Q14 )
Date of submission :- 29.10.2018
TEST_26.10.2018
DASS AND BROWN WORLD SCHOOL
Class
VII Mathematics M.M-12
Test of Assignment 03
Q1.Hema
bought two pairs of jeans for Rs 1450 each.
She sold one of them at a gain of 8% and the
other at
a loss of 4% . Find her gain or loss percent in
the
whole transaction ?
Q2.The age of Rajan and Karan are in the ratio
5:4 .
3 years hence , the ratio of their ages will be
11:10 .
Find their present ages.
Q3.Simplify ( 3x2 –3x+8) ( x–2) – ( x2
– 3x+6) ( x – 4)
Q4.Ajay earns Rs 64000 per month. He spends of his
of his
income on food : of the
remainder on house rent
of the
remainder on house rent
and of the
remainder on the education of
of the
remainder on the education of
children. How much is still left with him ?
******Date of test 26.10.2018********
Thursday, 18 October 2018
ASSIGNMENT 03_18.10.2018
DASS AND BROWN WORLD SCHOOL
Class VII ASSIGNMENT NO -03 (18.10.2018)
Q1.Harish sold a bicycle at 8% gain . Had it been sold for Rs
375 more , the gain would have been
14% . Find the cost price of the bicycle.
Q2.Luxmi sold two sarees for Rs 1980 each. One one , she lost
10% , while on the other she
gained 10% .Find the gain or loss percent in the whole transaction.
Q3.On reducing the value of a chair 6% it becomes Rs 658 .
Find the original value of the
chair.
Q4.Out of her total monthly salary. Tanvy spends 30% on house
rent and 60% of the rest on
household expenditure. If she saves Rs 10500 , what is her total monthly
salary?
Q5.A’s income is 60% more than that of B . By what percent is
B’s income less than A’s?
Q6.Amit earns Rs 32000 per month . He spends
of his income of food :of the remainder
on house rent and
of the remainder on the education of children. How
much is still left with him ?
Q7.Mr. Ajay bought 35.5 litres of refined oil for Rs 3367.50
. Find its cost per litre
Q8.By what number should ( -25)-1be divided to get
(-6)-1 ?
Q9.Simplify
( 4x2+5x-7) ( x-1) –( x2-2x+3)
( x+4)
Q10.The age of Amit and Sumit are in the ratio 7:5 . Ten year
hence, the ratio of their ages
will be 9:7 . Find their present ages.
Date of
submission :- 22.10.2018
Saturday, 13 October 2018
ASSIGNMENT 02_13.10.2018
Assignment 02
Do Q1 to Q8 ( Test paper - 10 , page no 151 )
Chapter - 10
Date of submission- 15.10.2018
Saturday, 6 October 2018
ASSIGNMENT 01_06.10.2018
ASSIGNMENT
01_06.10.2018
Q1.A certain school has 120 teachers. If this constitutes 30% of
its workforce, find the number of
employees in the school.
Q2.Rachael gets 94 marks in her exams. These are 47% of the
total marks. Find the maximum number of
marks.
Q3.Ron scored 20 out of 25 marks in English, 30
out of 40 marks in Science and 68 out
of 80 marks in mathematics. In which subject his percentage of marks is
best?
Q4.A obtained 65%
score in an exam with 520 marks. If B gets 464 marks in same exam, find the percentage
obtained by B.
Q5.Simplify 35
+ [ 320 –{15 + 3– (8 of 3 + 9– 6 x 3)}]
Q6. Simplify 175 – (– 134 ) – (– 150 ) + (– 51 ) + (– 1 ) – (– 15 ) + 178 = ?
Date of submission :- 08.10.2018
Friday, 31 August 2018
Friday, 24 August 2018
REVISION ASSIGNMENTS _ 24.08.2018
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Folder - REVISION
https://goo.gl/exRQMS
Folder - REVISION
Saturday, 14 July 2018
ASSIGNMENT 01 _ 13.07.2018
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below link or copy the url and paste it in the address bar
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Monday, 28 May 2018
OLYMPIADS STUDY MATERIAL
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Thursday, 3 May 2018
ASSIGNMENTS OF CHAPTER ( 1, 2 AND 3 )
Assignment
of Integers
Class:VII Subject:
Mathematics
1.
Find the additive inverse of -2001.
2.
Evaluate: (i)
53+(-26) (ii) (-7)+(-23)
3.
Subtract -66 from -34
4.
The sum of two integers is 65. If one of
them is -31, find the other.
5.
If a = -8 , b = -7 , c = 6, verify that
(a+b)+c = a+(b+c)
6.
Subtract -134 from the sum of 38 and
-87.
7.
Find
2 X (-5) X (-6)
8.
Simplify: (i)
(-26) X 72 + (-26) X 28 (ii) (-1) X (-1) X (-1) X……..200 times
9.
Evaluate 168 ÷ (-14)
10.
In a class test containing 20 questions,
4 marks are given for every correct answer and (-2) marks are given for every incorrect
answer. Anita attempts all questions and 12 of her answers are correct. What is
her total score?
11.
A certain freezing process requires that
room temperature be lowered from 40°C at the rate of 5°C per hour. What will be
the room temperature 12 hours after the process begins?
12. Fill in the blanks:
a) (-60)-
………..=-59.
b) (-26)+{(-49)+(-83)}={(-26)+(-49)}+………….
c) …………./(-18)=-5.
d) (-21)x…………=0
e) (-8)/0=………..
13. Evaluate:
a) 9x(-12)x10
b) (-5)x(-5)x(-5)x………….6
times
c) 168/(-14)
14. If
a= (-6), b= (-4), then show that (a-b)=(b-a) or not.
15. Write
a pair of integers whose difference gives zero.
16. The
sum of two integers is 6. If one of them is (-3). Find the other.
17. The
difference of an integer p and (-8) is 3. Find the value of p.
18. Subtract
(-134) from the sum of (-1032) and 878.
19. What
will be the sign of product if we multiply together 199 negative and 10
positive integers?
20. Simplify:
a) (-27) x (-16) + (-27) x (-14)
b) (-25) x 8+ (-25) x 2
Assignment
of Fractions
1. Compare
the fractions:
and
.
2. Arrange
the following in ascending order:
,
,
,
.
3. Arrange
the following in descending order:
,
,
,
.
4. Find
the sum:
a)
+
b)
+
c) 2
+ 1
5. Find
the difference:
a)
–
b)
–
c) 3
– 1
6. Simplify:
a)
+
–
b) 5
– 2
+ 2
7. What
should be added to
to get 18
?
8. What
should be subtracted from 17
to get 11
?
9. Sarita
bought 5
Kg potatoes and 3
Kg tomatoes from a vendor. What is the total
weight of vegetables bought by her?
10. Rohit
ate
part of an apple and his sister Ritu ate the
remaining part of it. Who ate more and by how much?
11. Multiply:
by
.
12. Find
the product:
a)
×
b) 16 × 2
c) 2
× 4
13. Simplify:
a)
×
×
b) 1
× 1
×4
14. Find
:
a)
of 32
b)
of a day
15. Milk
is sold at Rs.16
per litre. Find the cost of 6
litres of milk?
16. Sajal
can walk 2
Km in an hour. How much distance will he cover
in 3
hours?
17. A
carton contains 16 boxes of nails and each box weighs 4
Kg . How much would a carton of nails weigh?
18. A
book of 216 pages. During last week Vikas
read
of the book. How many pages did he read?
19. A
tin contains 18Kg ghee. After consuming
of it. How much ghee is left in the tin?
20. Renu
spends
of her income on household expenses. Her
monthly income is Rs. 30,000. How much does she save every month?
21. Find
the reciprocal of
a)
6
b)
4
22. Divide:
(a)
by
(b) 8 by
(c) 3
by 5
(d) 2
by 1
23. A
rope of length 9
m is cut into 6 pieces of equal length. Find the
length of each piece .
24. If
the cost of 5
litres of
milk is Rs 236
, find its
cost per litre.
25. The
cost of 5
Kg of mangoes
is Rs. 231. At what rate per Kg are the mangoes being sold?
26. The
product of two numbers is 15
. If one of
the numbers is 6
, find the
other.
27. By
what number should 6
be multiplied
to get 40?
ASSIGNMENT
of Decimals
1. Convert
0.06 into a fraction in its simplest form.
2. Convert
12.25 as mixed fraction.
3. Convert
25/8 into decimal.
4. Convert
into like decimals:
6.5,16.03,0.274,119.4
5. Arrange
the following into ascending as well as descending order: 5.74,6.03,0.8,0.658,7.2
6. Express
6 rupees 6 paisa as rupees using decimals.
7. Express
7380 grams in Kg using decimals.
8. Add
: 17.4,86.79,9.435,8.8,0.03
9. Subtract
13.876 from 22.
10. By
much should 32.67 be increased to get 6.01?
11. Shayama
bought 4Kg 350g potato, 3Kg 80g tomato and some onion. If the total weight of
the three vegetables is 10Kg 200g, what is the weight of onion?
12. Rohit
purchased a notebook for Rs 23.75, a pencil for Rs2.85 and a pen for Rs 15.90.
He gave a 50rupee note to the shopkeeper. What amount did he get back?
13. Find
the product:
a) 7.54X10
b) 0.6X100
c) 0.076X1000
d) 36.73X48
e) 0.623X0.75
f) 11.1X1.1X0.11
14.
Evaluate:
a) (0.7)2 b)(1.5)3
15.
Divide:
a) 0.0662
by 10
b) 23.4
by 100
c) 1286.5
by 1000
d) 63
by 15
e) 2.575
by 25
f) 403.8
by 30
g) 0.228
by 0.38
16.
If the cost of a pen is Rs. 28.50.Find
the cost of 48 such pens.
17.
The cost of 1m of ribbon is
Rs.35.80.What will be cost of 9.8m of ribbon?
18.
1Kg of milk has 0.264Kg of fat. How much
fat is there in 12.5Kg of milk?
19.
A bowler took 15 wickets for 321 runs.
What is his average score per wicket?
20.
A car covers a distance of 108.9Km in
1.8hours. What is the average speed of the car?
21.
The cost of 24 toys of same kind is Rs.
783.60.What is the cost of each toy?
22.
The total weight of some bags of cement
is 1743Kg. If each bag weighs 49.8Kg,how many bags are there?
23.
Mr. Thakral distributed Rs. 1840 equally
among NCC cadets for refreshment. If each cadet received Rs. 28.75, how many
cadets were there?
24.
Mrs. Bose bought 15.5Litres of refined
oil for Rs. 1122.20.Find its cost per litre.
25.
The product of two decimals is 1.5008.
If one of them is 0.56, find the other.
26.
Each side of a polygon is 2.9cm in
length and its perimeter is 17.4cm.How many sides does the polygon have?
27.
Find the average of 4.2, 7.4 and 8.8.
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