Question
Find the number of zeros at the end of the following
expression: 12 × 16 × 25 × 40 × 45Solution
Number of zeros will depend on number of twos and number of fives (whichever is less). Since, 12 = 22 × 3 16 = 24 25 = 52 40 = 23 × 5 45 = 32 × 5 = 0 Number of fives in the following expression = 0 + 0 + 2 + 1 + 1 = 4 So, number of zeros = 4
What will come in place of the question mark (?) in the following series?
1528, 1416, 1204, ?, 480, -32
143 Â Â Â Â 119Â Â Â Â 107Â Â Â Â 101Â Â Â Â Â 98Â Â Â Â ?
96 89 ? 90 94 91
...What value should come in the place of (?) in the following number series?
19, 235, 260, 324, 333, ?
What will come in place of the question mark (?) in the following series?
305...
In each of the following number series, one term is missing. Find the missing term.
3, 5, 20, 24, 144, 150, ?
1029, 1030, 1039, 1064, ?, 1194
75, 80, 95, ?, 155, 200
What will come in place of the question mark (?) in the following series?
1515, 184, ?, 455, 967, 624
7 29 61 ? 211 349
...
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