-49
64
113
15
Correct answer is D
Given that, a * b = a2b and a ^ b = 2a + b (-4 * 2) = (-4)2 x 2 = 16 x 2 = 32 (7 * -1) = 72 x (-1) = 49 x (-1) = -49 ∴ (-4 * 2) ^ (7 * -1) = 2(32) + (-49) = 64 - 49 = 15
The mean of 2 - t, 4 + t, 3 - 2t, 2 + t and t - 1 is...
In the triangle XYZ , XM is the altitude from X to YZ.XY = 13cm, XZ = 15cm and YM = 5cm. Find the le...
Find the mean deviation of the set of numbers 4, 5, 9...
If PN is perpendicular to QR, find the value of tan x. ...
A father is now three times as old as his son. Twelve years ago he was six times as old as his son. ...
Solve 4x^{2}\) - 16x + 15 = 0....
⊗klmklmklmklmklm The identity element with respect to the multiplication shown in the table above ...
A bag contains 4 white marbles and 3 red marbles. Another bag contains 5 red and 6 blue marbles. If ...
Given that y = 1 - 2x4x−3, find the value of x for which y is undefined ...
The square base of a pyramid of side 3cm has height 8cm. If the pyramid is cut into two parts by a p...
Microsoft Office Questions and Answers
Numerical Reasoning Questions and Answers
Spatial Reasoning Questions and Answers
Typing Speed and Accuracy Test
Data Interpretation Questions and Answers
Quantitative Reasoning Questions and Answers
Logical Reasoning Questions and Answers
Nigeria General Knowledge Questions and Answers
Puzzles Questions and Answers
Verbal Reasoning Questions and Answers
Abstract Reasoning Questions and Answers
Personality Test
Situational Judgement Questions and Answers
See all →