# Practice Questions on Number SystemAptitude Questions and Answers

## Moderate Number System Question - 31

 Q31. For what value of '$n$' will the remainder of $351^n$ and $352^n$ be the same when divided by 7?
 A. 2 B. 3 C. 6 D. 4

## Moderate Number System Question - 32

 Q32. pqr is a three digit natural number so that $pqr = p!+q!+r!$. What is the value of $(q+r)^p$?
 A. 1296 B. 3125 C. 19683 D. 9

## Moderate Number System Question - 33

 Q33. $a, b, c, d$ and $e$ are five consecutive numbers in increasing order of size. Deleting one of the five numbers from the set decreased the sum of the remaining numbers in the set by 20%. Which one of the following numbers was deleted?
 A. a B. b C. c D. d E. e

## Moderate Number System Question - 34

 Q34. A chain smoker had spent all the money he had. He had no money to buy his cigarettes. Hence, he resorted to join the stubs and to smoke them. He needed 4 stubs to make a single cigarette. If he got a pack of 10 cigarettes as a gift, then how many cigarettes could he smoke in all?
 A. 10 B. 11 C. 12 D. 13

## Moderate Number System Question - 35

 Q35. 2ab5 is a four-digit number divisible by 25. If the number formed from the two digits ab is a multiple of 13, then $ab =$
 A. 10 B. 25 C. 52 D. 65
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