7. Find the area of parallograph (rectangle).

B

60m

Q.III. Answer the followings:-

5×2=10

1. Find the cube root of 46656 by prime fractorisation method.

2. Simplify 3 x 10 125

Š x 65

3. A factory requires 42 machines to produce a given number of articles in 63 days.

How many machines would be required to produce the same number of articles in

54 days?

4. An ant is moving around a few food pieces of different shapes scattered on the floor

for which food piece would the ant have to take a longer round?

5. Draw the graphs for the following tables of values with suitable scale on the axes.

Number of apples 1 2 3

4

5

Cost(in)

10 15 20 25

5

Q.IV. Answer the following:-

5×3=15

1. Find the smallest number by which the number 675 must be multiplied to obtain

perfect cube.

2. Write the laws of exponents.

3. A car takes 2 hours to reach a destination by travelling at speed of 60km/hr. How

long will take when the car travels at speed of 80km/hr.

4. Divide the given polynomial.

a) (5×2- 6x) – 3x

b) 20(y+4) (2+5y +3) + 5(y+4).

5. The list price of a frock is 220. A discount of 20% is announced on sales. What is

the amount of discount on it and its sale price?

# 7. Find the area of parallograph (rectangle).

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