Question
The sum of three consecutive natural numbers each
divisible by 5, is 255. The largest among them is:Solution
Let the numbers be x, x+5 and x+10 So, sum of these numbers = 255 now, x + x + 5 + x + 10 = 255 3x = 240 x = 80 Therefore the largest number = 80 + 10 = 90
- What will come in place of the question mark (?) in the following series?
1, 2, 5, 16, 65, ? 7 12 33 ? 635 3804
...In each of the following number series, one term is missing. Find the missing term.
1, 4, 15, 64, ?, 1956
What will come in place of the question mark (?) in the following series?
6, 13, 29, 63, ?, 259
What will come in place of the question mark (?) in the following series?
111, 109, 115, ?, 211, -509
362 452 550 656 770 892 ?
...What will come in place of the question mark (?) in the following series?
25, 41, 73, ?, 185, 265
Find the missing number in the given number series.
2, 7, 19, 62, ?, 1270
What value should come in place of (?) in the given number series.
500, 499, 491, 464, ?, 275
114, 146, 210, 306, 434, ?
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