Fifteen years from now Ravi’s age will be four times his present age. What is Ravi’s present age?

Solution: Let us assume Jacob’s current age is x and his son’s current age is y. Five years hence, Jacob’s age = x + 5 and his son’s age = y +...

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...

At present, _________ Shobo's age = x years His mother's age = 6 times of  Shobo's age = 6x years Five years from now  ________________ Shobo's age = ( x + 5 ) years According to the problem given, x...

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

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...

(b) Let Seema’s present age be x years.  Then, Seema’s son’s present age = x/4 years  Seema’s father’s present age = 7x/4 years.  Then, x+ x/4 +7x/4= 32x3  12x = 96 × 4  x = 96...

(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 =...

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

The reasons mentioned above are, of course, the causes of this sorry states. However, cutting of trees, lack of maintenance etc. may also be the reason for the same.

(a) The Aravallis range are the oldest mountain in India. The approximate age of the Aravallis is 370 million years.