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Aptitude · Q31

Surds And Indices

Competitive Exams · Aptitude · question 31

Q31

Simplify : (3)8 × (3)4 = ?

A.
(27)3
B.
(27)5
C.
(729)2
Answer
D.
(729)3
E.
None of these

Answer: Option C

Solution

Answer: Option C
Solution:
38 × 34
= 3(8 + 4)
= 312
= (36)2
= (729)2
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