The average age of a woman and her daughter is 42 years. The ratio of their ages is 2:1. What is the daughter's age?

Let the common ratio between Rahul's age Hari's age be x ∴ Age of Rahul and Hari will be 5x years and 7x years After 4 years the age of Rahul and Hari will be (5x+4) years and (7x+4) years After 4...

Let Rahul's age = 5x Let Haroon's age = 7x A/Q (5x+4)+(7x+4) = 56 5x+7x+8 = 56 12x = 48 x = 4 Rahul's age = 5x = 5x4 = 20 years Haroon's age = 7x =...

Son age be x Aman age is 3x ten years ago son age x-10 aman age 3x -10 A/Q 5(x-10) = 3x -10  5x -50 = 3x - 10 2x = 40 x =20 3x=60 son present age =20 aman present age = 60

Given Hari age =5x given Harry age=7x 4 years later both of their age is =5x+4                                  ...

Let the present age of the son be x years Given that, sum of present ages of man and his son is 45 years. ⇒ Man’s present age = (45 – x)years And also...

Let the present age of friend 1 be a x years Given that, Sum of the ages of two friends = 20 years ⇒ Present age of friend 2 = (20 – x)...

(c) Let Farah’s age at the time of her marriage be x. Then, (x +8)= x  x 9/7 9x /7 -8 =8 x=8*7/2= 28 years Farah’s present age = 28 + 8 =...

(a) Let the present ages of P and Q be 3x and 4x respectively. Then, (4x + 4) – (3x + 4) = 5 ⇒ 4x – 3x = 5 ⇒ x = 5  P’s present age =...

(a) Average age of father and son = 33 years  Sum of their ages = 2 × 23 = 66 years 8x+3x =2x33 ⇒11x=66 ⇒ x=6 Father's age = 8 × 6 = 48...

(b) Age of the fourth friend = 31 × 4 - 32 × 3 = 124 - 96 = 28 years