Let monthly income of A and B be 8x and 9x, respectively. Then, 8x + 9x = 68000 17x = 68000, x = 4000 A’s monthly income = 8x = Rs. 32000 B’s monthly income = 9x = Rs. 36000 Given, expenditure of B = Rs. 18000 So, B’s saving = 36000 – 18000 = Rs. 18000 Then, A’s saving = 18000 + (1/9) × 18000 = 18000 + 2000 = Rs. 20000 A’s expenditure = 32000 – 20000 = Rs. 12000
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If 10 9 38 x 5428
Then, 2x² + 1 = ?
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...12 7 10 25 107 ?
...6 10 ? 210 1672 16710
...31   48    67    90   ?      150
In each of the following questions, a number series is given. After the series a number is given followed by (a), (b), (c), (d) and (e). You have to com...
8 9 30 155 ? 9837 108218
...
