Number System

JKSSB Panchayat Account Assistant · Mathematics · 97 practice questions with answers and explanations: 35 Easy, 34 Medium, 28 Hard.

Sample questions

Sample Easy question 1

How many factors does 28 have?

  1. 4
  2. 5
  3. 6
  4. 7
Show answer

Answer: C. 28 = 2²×7; number of factors = (2+1)(1+1) = 6.

Sample Medium question 2

Find the unit digit of 127³².

  1. 1
  2. 3
  3. 7
  4. 9
Show answer

Answer: A. Unit digit follows powers of 7, which cycle as 7,9,3,1 (period 4); 32 mod 4 = 0, giving unit digit 1.

Sample Hard question 3

Find the sum of all factors of 36.

  1. 85
  2. 88
  3. 91
  4. 94
Show answer

Answer: C. 36 = 2²×3²; sum of factors = (1+2+4)(1+3+9) = 7×13 = 91.

More Mathematics topics for JKSSB Panchayat Account Assistant

Related articles