Question
The ratio of age of A and his son is 9:5. If the
difference of their ages 6 year ago is 12, then find the sum of ages of A and his son 15 year hence?Solution
Let the present age of Raman and his son be 9x and 5x respectively. => 9x – 5x = 12 ∴ x = 3 Required sum = 14 × 3 + 30 = 72 years
45 45.5 47 49.5 53 ?
...24, 42, 60, ?, 96, 114
What will come in place of the question mark (?) in the following series?
1528, 1416, 1204, ?, 480, -32
4 11 22 ? 56 79 106
...- What will come in place of the question mark (?) in the following series?
6, 19, 45, ?, 136, 201 226 231 466 ? 5606 28031
1500 150 30 ? 3.6 1.8
42, 48, 60, 84, 132, ?
7, 176, ?, 378, 427, 452
...4 10 ? 62.5 156.25 390.625
...