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Start learning 50% faster. Sign in nowTotal age of three children = 20 ×3 = 60 years Let their ages be 2x, 3x and 5x respectively. => 2x + 3x + 5x = 60 => 10x = 60 => x = 6 Therefore the age of youngest child = 2×6 = 12 years
217 210 236 299 423 640
...12, 27, 44, 68, 94
82, 65, 59, 64, 80, 113
Find the wrong number in given number series.
2658, 2654, 2681, 2645, 2999, 2918
96, 480, 120, 360, 150, 750
Find the wrong no in the given number series.
3, 7, 15, 31, 63, 127, 255
412, 320, 241, 169, 106, 52
3,10,27,4,16,64,5,25,125