Question
(23.99)2 – (17.99)2 +
(1378.98 + 44.99) ÷ ? = 608 What approximate value should come in place of question mark (?) in the following questions? (You need not to calcualte the exact value)Solution
(23.99)2 – (17.99)2 + (1378.98 + 44.99) ÷ ? = 608 => (24)2 – (18)2 + (1379 + 45) ÷ ? = 608 => 576 - 324 + 1424 ÷ ? = 608 => 1424 ÷ ? = 356 => ? = 1424/356 => ? = 4
728, 737, ?, 778, 814, 863Â
16, 32, 68, 132, ?, 376
18Â Â Â 19Â Â Â 34Â Â Â 111Â Â Â Â 428Â Â Â Â 2165Â Â Â Â ?
...715Â Â Â 708Â Â Â 694Â Â Â 673Â Â Â Â 645Â Â Â Â ?
44   45    41   50    ?      59    23
...What will come in place of the question mark (?) in the following series?
75, ?, 107, 148, 229, 390
45, 166, 607, 1568, 3249, ?
?, 15, 45, 225, 1575, 14175
The question below is based on the given series I. The series I satisfy a certain pattern, follow the same pattern in series II and answer the questions...
14.8% of 7200 – 16.4% of 6200 + 15.09% of 8100 = 10% of ?
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