Question

1) Sonu’s mother is 12 years more than twice Sonu’s age. After 8 years, she will be 20 years less than three times Sonu’s age. Find Sonu’s age and mother’s age.

2) The area of a square carpet is 5476 sq.cm. Find the length of its side.

3) Find the smallest number by which 10976 must be divide so that the quotient is a perfect cube.

4) Rahim took a loan of ₹32000 for 4 years at 20% per annum compounded annually. How much he has to pay after 4 years?

5) If 1800 persons can finish the construction of a building in 40 days, how many persons are required to complete the construction of the building in 24 days?

a4bfb038638e20561454d603b13d1f50.pdf

Answer 1

Answer:

$1 < { { \sqrt[ \]{?} }^{2} }^{?}$

$2 \frac{?}{?} \times \frac{?}{?}$

$3 { { {?}^{2} }^{2} }^{?} \times \frac{?}{?}$

$4 {xx {?}^{?} }^{2}$

$5 \frac{?}{?} \times \frac{?}{?}$