WINTER ASSIGNMENT_29.12.2017

Class – VII                                           Winter Assignment

1)     Simplify

a)      16 x 2ⁿ⁺¹ – 4 x 2ⁿ /16 x 2ⁿ⁺² – 2 x 2ⁿ⁺²                 b)     [{( -  )²}^-2]^-1    

2)     If  =()²⁰÷()¹⁸ Find the value ()².

3)     What should be subtracted from  to get

4)     How many pieces each of length can be cut from a rope of length.

5)     In an examination a student requires 40% of the total marks to pass, if Sudesh gets 130 marks and fails by 50 marks. Find the total marks.

6)     A sum of Rs. 500 is in the form of denominations of Rs. 5 and Rs. 10,is the total number of notes is 100. Find the number of notes of each type.

7)     The ages of A and B are in the ratio 4:3. 8 years ago their ages were in the ratio 10:7. Find their present ages.

8)     24 cows can graze a field in 20 days. How many cows can graze it in 15 days?

9)     What number must be subtracted from each of the numbers 23, 40, 57 and 108 so that the remainders are in proportion?

10) A friutseller had some apples. He sells 40% of them and still has 420 apples. How many apples had he in all?

11) The population of  a town increases 8% annually. If its present population is 142560. What was it year ago?

12) A man sold 2 radio0s at Rs. 4800 each. On one he gains 20% and on the other he loses 20%. Find the gain or loss percent in the whole transaction.

13) A sum of money at simple interest doubles itself in 8 years 4 months in how much times will it trebles itself.

14) In what time will Rs. 5600 amount to Rs. 6720 at 8% per annum?

15) In a triangle, if 3   A = 4   B = 6   C  , find angle A,B,C.

16) A ladder 17m long reaches window which is 8m above the ground, on one side of the street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window at a height of 15m.  Find the width of the street.  

Class – VII                                           Winter Assignment

1)     Simplify

b)     16 x 2ⁿ⁺¹ – 4 x 2ⁿ /16 x 2ⁿ⁺² – 2 x 2ⁿ⁺²                 b)    [{( - )²}^-2]^-1    

2)     If  =()²⁰÷()¹⁸ Find the value ()².

3)     What should be subtracted from  to get

4)     How many pieces each of length can be cut from a rope of length.

5)     In an examination a student requires 40% of the total marks to pass, if Sudesh gets 130 marks and fails by 50 marks. Find the total marks.

6)     A sum of Rs. 500 is in the form of denominations of Rs. 5 and Rs. 10,is the total number of notes is 100. Find the number of notes of each type.

7)     The ages of A and B are in the ratio 4:3. 8 years ago their ages were in the ratio 10:7. Find their present ages.

8)     24 cows can graze a field in 20 days. How many cows can graze it in 15 days?

9)     What number must be subtracted from each of the numbers 23, 40, 57 and 108 so that the remainders are in proportion?

10) A friutseller had some apples. He sells 40% of them and still has 420 apples. How many apples had he in all?

11) The population of  a town increases 8% annually. If its present population is 142560. What was it year ago?

12) A man sold 2 radio0s at Rs. 4800 each. On one he gains 20% and on the other he loses 20%. Find the gain or loss percent in the whole transaction.

13) A sum of money at simple interest doubles itself in 8 years 4 months in how much times will it trebles itself.

14) In what time will Rs. 5600 amount to Rs. 6720 at 8% per annum?

15) In a triangle, if 3   A = 4   B = 6   C  , find angle A,B,C.

16) A ladder 17m long reaches window which is 8m above the ground, on one side of the street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window at a height of 15m.  Find the width of the street.  

17) In the adjoining figure P and Q are the two points on equal sides AB and AC of an isosceles triangle ABC such that AP = AQ. Prove that BQ = CP.

18) Is it possible to draw a triangle whose sides have lengths 10.3cm, 5.8cm and 4.6 cm?

19) If one of the angles of the triangle is 90⁰ and the other two angles are equal. Find each of the equal angles.

20) Find the number whose 8% is 6.

REVISION ASSIGNMENT 01

Class VII            REVISION ASSIGNMENT 01

1. If x:y=3:2, find ( 2x+3y ) : ( 3x + 5y) Ans- 12:19.

2. Divide Rs. 5600 between A, B and C in the ratio 1:3:4

3. If the weight of 7 sheets of a paper is 169 grams. How

    many sheets of the same quantity of the paper would

    weigh 13.5 kg ?

4. If 13.5 of x is 945,  find the value of x ( Ans- 70)

5. State the correspondence between the vertices , sides

    and angles of the following pairs of congruent

    triangles

i)    ABC= QRP    II) MNP= SQR

MATHS ASSIGNMENT_18.11.2017

   Class VII                 Maths Assignment _18.11.2017

 1.Express 125:65 in simplest form.
2.Find the ratio of
     i) 2 kg to 150 g
     ii) 3 weeks 4 days to 50 days
3.If A:B=5:8 and B:C = 18:25 find A:C
4. If x:y=6:11 , find (8x-3y): ( 3x+2y)
5.If the thickness of a pile of 16 cardboards is 44 mm, how many cardboards will be there in a pile which is 71.5 cm thick ?
6.A military camp has provisions for 630 men to last for 25 days. How many men must be transferred to another camp so that the food last for 30 days?
7.Find the angles of a triangle which are in the ratio 4:3:2
8.In a triangle , if 2<A=3<B=6<C, Calcualte <A. <B and <C ?  (< is angle)
9.Divide Rs 5600 between A, B and C in the ratio 1:3:4.
10. Find simple interest and amount when P= Rs 200000, T= 3.5 years and R= 2.5% p.a

ASSIGNMENT_18.11.2017

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ASSIGNMENT_09.11.2017

ASSIGNMENT

ASSIGNMENT_18.10.2017

                                             Topic-Unitary Method

1.       If the cost of 8 toys is Rs 192 , what will be the cost of 14 such toys ?

2.       A car can covers 270 Km in 15 litres of petrol . How many kilometers will it cover in 8 litres of petrol ?

3.       24 cows can graze a field in 20 days . How many cows can graze it in 15 days ?

4.       8 men can finish a piece of work in 15 hours . In how many hours can 20 men finish it ?

5.       A bus covers a certain distance in 3 hours 20 minutes at an average speed of 45 km per hour . How much time will it take to cover the same distance at a speed of 50 km per hour ?

6.       In a fort , 120 men had provisions for 30 days . For how many days is the food sufficient for 100 men ?

7.       A garrison of  500 men had provisions for 27 days . However , a reinforcement of 300 men arrived after 3 days  . For how many days will the food last now ?

8.       8 men can finish a piece of work in 40 days . If 2 more  men join them , the work will be completed in how many days ?

9.       A tree , 6 m tall , casts a 4 m long shadow . At the same time a flag pole  casts a 50 m long shadow. How long is the flag pole ?

10.   In a map , 0.8 represents  8.8 Km . How much distance will be represented by 80.5 cm ?

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HOMEWORK_21.08.2017

* Page no --> 118 " CCE test paper -7" Q1 to Q6.

Regards

Mr. Devender 

HOMEWORK_09.08.2017

Solve the following equations

1. 2(– 2x + 4) – 3(2x – 3) + 6 = – 4(–4 – 3x) + 6x  

2. – 4(– 3x – 3) – 2(3x – 4) + 7 = 3( –3 – 2x) + 7x

3. –2(3x – 4x)  – 4(3x – 4) = 10x – 2

4. 4(–2x + 7) + 3(–2 – 3x) = 10x – 7

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PRACTICE QUESTIONS_21.07.2017

Class VII           PRACTICE QUESTIONS_21.07.2017

*Date of submission:- 24.07.2017

1. Add                 

     i) 5x,7x,-6x

     ii) x-2y+4z+y-3x-8z

2. Subtract -134 from the sum of 48 and -76

3. Divide

     i) -132 by 12

     ii) -72 by -18

4. The sum of two integers is -6 . If one of them is 2. Find      the other .

5. Cloth is being sold at Rs 32 ½ per metre. What is the         cost of 5 3/5 metres of this cloth ?

6. Find five rational number between -3/5 and -1/2

7. What should be added to -5/7 to get -2/3.

8. Find the value of n when

     i) 5²ⁿ x 5³ = 5⁹

     ii) 6²ⁿ⁺¹ ÷ 36= 6³

9. Find the complement of each of the following angles:

     i) 35⁰   ii) 73⁰

10.Express in standard form

     i) 5384

     ii) 829340000

     iii) 836.483

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ASSIGNMENT(DECIMALS)_16.05.2017

Class VII                         Assignment (Decimals)_16.05.2017

1.Convert the following  into a decimal number

          a)284 km 5 m     b)13 rupees 8 paise

2. Find the product of  following.

       2.3  x   4.49  x  6.320

3. Divide       a) 1.001 by 14    b)16.578  by 5.4      c) 11 by 15.

4.What is to be subtracted from 16.78 to get 0.234 ?

5.The product of two decimals is 261.36 . If one of them is 17.6,find the other.

6. Daily consumption of a student is 100 g of rice , 50 g of dal , 25 g of vegetables and 30 g of fruits . A hostel accommodates 125 students . How much rice , dal, vegetables and fruits are needed in one month to feed the students ? Give the answer in term of kg.

7.A car can cover a distance of 8.6 Km on one litre of petrol. How far can it go on 36.5 litres of petrol?

8.Monica cuts 46 m of cloth into pieces of 1.15 m each. How many pieces does she get ?

9. How many pieces of plywood each 0.35 cm thick are required to make a pile 1.89m high ?

10.Gourav makes 7 rounds of park having length and breadth are500m and 200 m respectively. How much distance Gourav has travelled ? Give answer in Km.

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