Question
A man spends 1/7 of his income on food, 3/5 of his
income house rent and 1/4 of his income on clothes. If he still has Rs. 200 left with him, his income is:Solution
Let the man’s income be ₹ p. According to the question, => p - p/7 - 3p/5 - p/4 = 200 => p(1 − 1/7 - 3/5 - 1/4) = 200    => p{(140 - 20 - 84 - 35)/140)} = 200 => p × 1/140 = 200 => p = 140 × 200 = Rs 28000
What will come in place of the question mark (?) in the following series?
75, 219, 388, ?, 809, 106516.12 × 15.94 + 654.92 – 344.83 = ?× 5.95
660, 653, 639, 618, 590, ?
120, 126, 138, 162, ?, 306
11          20          ?             64          112        192
...Find the missing term in the series:
2, 5, 11, 23, 47, ?
580 557 528 497 ? 419
17, 38, 123, 508, ?, 15426
What will come in place of the question mark (?) in the following series?
55, 176, 320, ?, 685, 910
161Â Â Â Â 173Â Â Â Â Â Â 191 Â Â Â Â Â Â 215Â Â Â Â Â Â 245 Â Â Â Â Â Â ?
...
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