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Let the present ages of P and Q be 4x and 9x years respectively. According to the question, => (9x + 12) = 4 × (4x – 4) => 9x + 12 = 16x – 16 => 7x = 28 => x = 4 Therefore, the present age of Q = 9x = 36 years
114, 115, 118, 127, ?, 235
9000, 1800, 450, ?, 75, 75
What will come in place of the question mark (?) in the following series?
7, 20, 59, 176, 527, 1580, ?
480, 288, ?, 103.68, 62.208, 37.3248
12, 12, 30, 120, ?, 4620
58 69 56 ? 54 73
...64, 32, 48, 120, 420, ?
1056 264 132 33 ? 4.125
...1290, 1225, 1175, ?, 1112, 1095, 1085
96 89 ? 90 94 91
...