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Aptitude · Q164

Surds And Indices

Competitive Exams · Aptitude · question 164

Q164

If a = bp, b = cq, c = ar then pqr is

A.
1
Answer
B.
0
C.
-1
D.
abc

Answer: Option A

Solution

Answer: Option A
Solution:
a = bp and b = cq
∴ c = ar = (bp)r = (b)pr = (cq)pr = cpqr
⇒ pqr = 1
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