Question
Quantitative Aptitude Question on Surds and Indices
What should come in place of question mark (?) in the following questions?
(61)10 X (61)4=?
A
(61)4
B
(61)24
C
(61)25
D
(61)40
E
None of these
Answer
None of these
Explanation
Solution
To multiply exponents with the same base, add the powers: (61)10 * (61)4 = (61)(10+4) = (61)14
The Correct option is(E)