# Practice Questions on Number SystemAptitude Questions and Answers

 Q1. A number when divided by a divisor leaves a remainder of 24. When twice the original number is divided by the same divisor, the remainder is 11. What is the value of the divisor?
 A. 13 B. 59 C. 35 D. 37
 Q2. The product of 4 consecutive even numbers is always divisible by:
 A. 600 B. 768 C. 864 D. 384

 Q3. What is the minimum number of square marbles required to tile a floor of length 5 metres 78 cm and width 3 metres 74 cm?
 A. 176 B. 187 C. 540 D. 748
 Q4. What number should be subtracted from $x^3+ 4x^2- 7x + 12$, if it is to be perfectly divisible by $x + 3$?
 A. 42 B. 39 C. 13 D. None of these

 Q5. Find the remainder when $2^{89}$ is divided by $89$?
 A. 1 B. 2 C. 87 D. 88
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