Question

Exercise 8 (B)
1. Two numbers are in the ratio 11:7. If the smaller number is 700, what is the larger number?
Amit and his sister's ages are in the ratio 5:4. If Amit is 45 years old, how old is his sister?​

Answer 1

Answer:

1100 , 44

because 40 later

Answer 2

Answer:

if smaller number is 700

let x be the factor which when multiplied with 7 results 700

7x= 700

x=700/ 7 = 100

thus x= 100

11x= 11 × 100 = 1100

q 2

ratio is 5:4

5/4= 45/x

= 5x= 45×4= 180

=x= 180/5 = 36

thus sister's age 36 years