Vishwanath
Monday, February 18, 2013
6. 49 x 49 x 49 x 49 = ?
A. 4
B. 7
C. 8
D. 16
Answer:
Option : C
Given, 49 x 49 x 49 x 49 = (72 x 72 x 72 x 72)
= 7(2 + 2 + 2 + 2)
= 78
So, the correct answer is 8.
Title : Surds And Indices Q6
Description : 6. 49 x 49 x 49 x 49 = ? A. 4 B. 7 C. 8 D. 16 Answer: Option : C Given, 49 x 49 x 49 x 49 = (7 2 x 7 2 x 7 2 ...
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