Question
The average age of a husband and his wife was 23 years
when they were married 5 years ago. The average age of the husband, the wife and their child is 20 years now. How old is the child now?Solution
Let present ages of husband, wife and child be x, y and z years respectively. Given, ⇒ [(x – 5) + (y – 5)]/ 2 = 23 ⇒ x + y = 46 + 10 = 56 Given, ⇒ (x + y + z)/3 = 20 ⇒ x + y + z = 60 ⇒ 56 + z = 60 ⇒ z = 4 ∴ Child is 4 years old now.
More ESIC Part B Questions
- Which letter and number cluster will replace the question mark (?) to complete the given series?
LT6, KU12, IW24, FZ48, ____ - Which letter-cluster will replace the question mark (?) in the following series?
RGV, UME, ?, AYW, DEF - A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.
57, 59, 56, 61, 54, ___ - Which letter-cluster will replace the question mark (?) in the following series?
NPQR, OORQ, PNSP, ____, RLUN - Select the number from among the given options that can replace the question mark (?) in the following series.
17, 18, 22, 31, 47, ___
Relevant for Exams:
