Question
The total age of A, B and C five years hence will be 85
years. Find the age of C four years hence, if the present age of A and B is 32 years and 21 years respectively.Solution
Sum of present age of A, B and C = 85 – (5 × 3) = 70 years Present age of C = 70 – (32 + 21) = 17 years 4 years hence, age of C = 17 + 4 = 21 years
Find the wrong number in the given number series.
3, 7, 22, 89, 445, 26759Â Â Â Â 20Â Â Â Â Â 63Â Â Â Â Â Â 255Â Â Â Â Â Â 1285Â Â Â Â Â 7716
...90, 110, 132, 156, 182, 215
135, 148, 109, 174, 87, 200Â
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- 71, - 7, 43, 78, 103, 119
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21, 31, 11, 41, 1, 61- Find the wrong number in the given number series.
500, 439, 388, 347, 308, 295 768Â Â Â 2304Â Â Â 288Â Â Â 864Â Â Â 106Â Â Â 324
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175, 319, 488, 694, 909, 1165
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4, 10, 20, 40, 100, 250, 500