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Increased investment of ‘Nikhil’ = 2800 × 1.25 = Rs. 3,500
Decreased investment of ‘Amit’ = 4200 – 1000 = Rs. 3,200
Ratio = (2800 × 16 + 3500 × 20):(4200 × 16 + 3200 × 20) = 134.0:150.4 = 335:376
Difference = 8000 × {(376 – 335) ÷ (376 + 335)} = Rs. 456
5 14 56 220 1125 6786
...Select the number from among the given options that can replace the question mark (?) in the following series.
2, 6, 12, 20, ?, ?
33 68 103 138 173 ?
4, 8, 24, ?, 840, 9240
If 14, 32, x, 50, -13, 86,
then, find the value of (10x + 5x – 20)?
...40 41 86 ? 1084 5445
...6 10 ? 210 1672 16710
...23 27 54 ? 195 231
...35 70 105 140 175 ?
19 8 ? -14 63 - 36
...