Question
Find the greatest common divisor (GCD) of (x 2
- 9x + 14) and (x 2 + x - 56).Solution
(x 2 - 9x + 14) = x 2 - 7x - 2x + 14 = x(x - 7) - 2(x - 7) = (x - 7) (x - 2)
x 2 + x - 56 = x 2 + 8x - 7x - 56 = x(x + 8) - 7(x + 8) = (x - 7) (x + 8)
So, required GCD = (x - 7)
What should come in place of (?) question mark in the given number series.
81, 73, 66, 60, 55, ?
14 6 4 4 ? 48
...What should come in place of (?) question mark in the following number series.
5, 11, 23, 47, 95, ?
In each of the following number series, one term is missing. Find the missing term.
1, 4, 9, 16, 25, ?
What will come in place of the question mark (?) in the following series?
4, 11, 32, 95, 284, 851, ?
156, 182, 210, 240, 272, ?
31 32 35 ? 47 56
...What should come in place of (?) question mark in the following number series.
1, 2, 6, 24, 120, ?
What value should come in the place of (?) in the following number series?
71, 72, 76, 103, ?, 244254, ?, 1022, 1150, 1214, 1246
Relevant for Exams:
