Question
After 7 years, the age of Reena will be 5 years less
than 3 times of her age, 4 years back. What is Reena’s present age?Solution
Let Reena’s present age be x years. After 7 years, her age will be = x + 7 4 years back, her age was = x - 4 Now according to question, => x + 7 = 3(x – 4) – 5 => x + 7 = 3x – 12 – 5 => x + 7 = 3x – 17 => x = 12 years
17    18      14       ?      7       32
...7 7 28 252 ?
...94Â Â Â 115Â Â Â 138Â Â Â 163Â Â Â Â 190Â Â Â Â ?
62, 87, 137, ?, 312, 437
135, 148, ?, 184, 207, 236
8    13    36    123    ?   2585
195% of 1420 + 72 × 25 =?
70, 69, 73, 64,80, 55, ?
64, 66, 69, 74, 81, ?
What value should come in the place of (?) in the following number series?
14, 43, 132, 401, 1210, ?, 10928