Problems based on Numbers Test 6

Question : 2 of 40

Marks: +1, -0

2^36 - 1 = 68a 19476735

, when all the digits are correct except a, the correct value of a is:

Solution:

The value of

2^36= 6871947636

2^36- 1= 68719476736- 1

= 68719476735

So,

68719476735 = 68 a 19476735

∴ the value of a = 7.

Go to Question:

Prev Question

Next Question