Question
If x 2 = 4x - 4, then find the value of [x
3 + (x 4 /8) ][3 - x 3 ].Solution
x 2 = 4x - 4
Or, x 2 - 4x + 4 = 0
Or, (x - 2) 2 = 0
Or, 'x' = 2
Required value = [2 3 + (2 4 /8)] X [3 - 2 3 ]
= [8 + (16/8)] X [3 - 8] = (8 + 2) X (- 5)
= 10 X (- 5) = - 50
What will come in place of the question mark (?) in the following series?
400, 841, 1202, ?, 1716, 1885
What should come in place of (?) question mark in the following number series.
7, 14, 30, 66, 146, ?
204, 401, 640, ?, 1105, 1406
What will come in place of the question mark (?) in the following series?
225, 227, 233, 245, 265, ?
18, 30, 50, 102, 282, ?
Find the missing number, in the given number series.
360, 322, ?, 252, 220
What will come in place of the question mark (?) in the following number series?
124, 131, 117, ?, 110, 145
Find the missing number in the given number series.
8, 9, 16, 11, 32, 13, ?(102 × 24)/8 = ?
[(145)² ÷ 25 × 52] ÷ ? = 29 × 13