Question
Sum of the present ages of A, B, C and D is 65 years.
After 4 years ratio of their ages is 6:5:4:3. What is C’s present age?Solution
At present sum of age = 65 years After 4 years sum of age will be, => 6x + 5x + 4x + 3x = 65 + 4 × 4 => 18x = 65 + 16 => x = 81/18 => x = 4.5 C’s present age = 4x – 4 = 14 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
...