Q556
If m and n are natural numbers such that 2m - 2n = 960, what is the value of m ?
A.
10
AnswerB.
12
C.
15
D.
Cannot be determined
Answer: Option A
Solution
Answer: Option A
Solution:
2m > 960 when the least value of m is 10Then, 210 = 1024 and 1024 - 960 = 64 = 26
∴ m = 10 and n = 6