2022 · Q21
27⁵ + 3¹³ is divisible by
Elementary MathematicsNumber System
- A8
- B10
- C12
- D21
Explanation
27⁵+3¹³ = 3¹⁵+3¹³ = 3¹³(9+1) = 3¹³x10, which is plainly divisible by 10. Hence the keyed option is B.
27⁵ + 3¹³ is divisible by
Explanation
27⁵+3¹³ = 3¹⁵+3¹³ = 3¹³(9+1) = 3¹³x10, which is plainly divisible by 10. Hence the keyed option is B.