Question
The ages of A, B and C are in the ratio of 5:4:8
respectively. If the sum of their ages is 51 years, then find the age of B.Solution
Let the ages of A, B and C be 5x, 4x and 8x respectively. According to the question, => 5x + 4x + 8x = 51 => 17x = 51 => x = 3 Age of B = 4x = 4 × 3 = 12 years.
Find the Wrong number in the given number series.
29, 76, 123, 166, 209, 2563Â Â Â Â Â 5Â Â Â Â Â Â 9Â Â Â Â Â 17 Â Â Â Â Â Â 32 Â Â Â Â Â Â Â 65
...Find the wrong number in the given number series.
7, 15, 46, 93, 282, 561
5 11 23 43 85 171 341
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513, 622, 735, 862, 993, 1139
100, 101, 126, 207, 376, 660, 1106
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4, 9, 19, 39, 69, 159
127, 137, 148, 164, 169, 185, 199
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119, 200, 300, 417, 565
- Find the wrong number in the given number series.
7, 15, 29, 49, 75, 107