Question
The present average age of Nisha and Arav is 36 years.
After 4 years, their ages will be in the ratio 9:11. Find Arav’s age 7 years ago.Solution
ATQ,
let present ages be (9x − 4) and (11x − 4). (9x − 4) + (11x − 4) = 36 × 2 20x − 8 = 72 20x = 80 x = 4 Required age of Arav = (11x − 4) − 7 = (11 × 4 − 4) − 7 = 33 years
More Age Questions
1290, 1225, 1175, ?, 1112, 1095, 1085
48   49    45     54    ?      63      27
...√(10198 )× √(7220 )÷ 16.69 + 2010.375= ?
4, 4, 12, 60, ?, 3780
4    9    28    99    ?   2105   12660
...12, 27, ?, 113, 141, 285, 313
What will come in place of (?) Question mark in the given number series.
1, 2, 5, 14, 41, 122, ?
16.12 × 15.94 + 654.92 – 344.83 = ?× 5.95
306, 272, 240, ?, 182, 156
728, 737, ?, 778, 814, 863Â
