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Let present age of Aman and Arjun is ‘3x’ years and ‘4x’ years, respectively.
According to the question,
(3x + 6)/(4x + 6) = 4/5
Or, 5(3x + 6) = 4(4x + 6)
Or, 15x + 30 = 16x + 24
Or, x = 6
Present age of Aman = 3 × 6 = 18 years
11, 20, 38, 65, 99, 146
Find the wrong number in the given number series.
15, 195, 575, 1155, 1935, 2915
120, 240, 80, 320, 60, 384
Find the wrong number in given series.
1148, 1178, 1516, 1597, 2928, 3097
1137, 1138, 1142, 1151, 1185, 1310
1152 3456 432 1296 164 486
Find the wrong term in the given series below.
36, 20, 32, 72, 289, 1302.5
552, 448, 380, 306, 240, 182