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Let the income of ‘Aman’ and ‘Qureshi’ be Rs. ‘5x’ and Rs. ‘7x’, respectively. ATQ, {(5x – 900):(7x – 900)} = 7:11 Or, (55x – 9900) = (49x – 6300) Or, 6x = 3600 So, x = 600 Expenditure of ‘Qureshi’ = 7x – 900 = {(600 × 7) – 900} = Rs. 3,300
42, 32, 60, 48, 96, 84
Find the wrong number in the given number series.
263, 133, 201, 505, 1771, 7974
1, 4, 20, 126, 1026, 10170
100, 101, 126, 207, 376, 660, 1106
13, 24, 69, 272, 1355, 8248
Find the wrong number in given number series.
1960, 1943, 1930, 1915, 1904, 1895
1000, 200, 56, 24, 12, 7.2