Question
When 15 years is subtracted from the present age of A
and the obtained result is divided by 4, then the present age of his nephew is obtained. If the present age of his nephew is 3 years less than the present age of A’s son who is 16 years old, then find the present age of A.Solution
Let the Present age of A be ‘x’ years Present age of his nephew = 16 – 3 = 13 years Therefore, {(x – 15)/4} = 13 Or, x – 15 = 52 Or, x = 67 Therefore, present age of A = 67 years
12, 23, 68, 271, 1354, ?
15 25 40 65 ? 195
13Â Â Â Â Â Â Â Â Â Â 182Â Â Â Â Â Â Â Â 303Â Â Â Â Â Â Â Â 384Â Â Â Â Â Â Â Â 433Â Â Â Â Â Â Â Â ?
...27   44    63    86   ?      146
If 5,  6,  4,  39,   x,  585,
then, find the value of ((x/2) + 1 + 2x)?
A series follows a specific pattern as shown below, but one of the terms is incorrect. There is another series that follows the s...
10                          15                          ?                    �...
Select the number from among the given options that can replace the question mark (?) in the following series.
2, 6, 12, 20, ?, ?
342Â Â Â 252Â Â Â 172Â Â Â 102Â Â Â 42Â Â Â ?
7Â Â Â Â Â 14Â Â Â Â Â 42Â Â Â Â Â 168Â Â Â Â Â Â 840Â Â Â Â Â ?
...
