461+462+463 is divisible by :
A3
B2
C6
D9
Answer:
A. 3
Read Explanation:
Let we take $4^{61}$ as common.,$4^{61}+4^{62}+4^{63} = 4^{61}(1+4+4^2)$
$=4^{61}\times21$from the option, 21 is divisible by 3 so the number is divisible by 3.
is divisible by :
A3
B2
C6
D9
Related Questions:
Find the number of zeroes at the end of the product of the expression ?
When a natural number n is divided by 5 the remainder is 4. What is the remainder when 2n is divided by 5?
A. 2
B. 3
C. 4
D. 0