Percentages

What you'll learn

What % really means, fraction shortcuts, and the successive-change trick that saves time in every exam.

This chapter has

Percentages — solved practice questions

6 SSC / Banking Quantitative Aptitude questions with step-by-step solutions. Attempt each, then reveal the answer.

1. Q1easy

   What is 25% of 240?

   • A50
   • B60
   • C65
   • D70
   Show answer & solution

   Correct answer: (B) 60

   25% = 1/4, so 240 ÷ 4 = 60.

2. Q2medium

   A number is first increased by 20% and then decreased by 20%. What is the net change?

   • ANo change
   • B4% decrease
   • C4% increase
   • D2% decrease
   Show answer & solution

   Correct answer: (B) 4% decrease

   Net factor = 1.2 × 0.8 = 0.96, i.e. 96% of original → a net decrease of 4%.

3. Q3easy

   A student scored 45 marks out of 60. What percentage did the student score?

   • A70%
   • B72%
   • C75%
   • D80%
   Show answer & solution

   Correct answer: (C) 75%

   (45/60) × 100 = 75%.

4. Q4easy

   40% of a number is 80. What is the number?

   • A180
   • B200
   • C220
   • D240
   Show answer & solution

   Correct answer: (B) 200

   Number = 80 ÷ 0.40 = 200.

5. Q5medium

   The price of an item rose from ₹500 to ₹575. What is the percentage increase?

   • A12%
   • B15%
   • C18%
   • D20%
   Show answer & solution

   Correct answer: (B) 15%

   Increase = 75. % increase = (75/500) × 100 = 15%.

6. Q6hard

   In an election between two candidates, the winner got 60% of the votes and won by 1600 votes. What was the total number of votes?

   • A6000
   • B7000
   • C8000
   • D9000
   Show answer & solution

   Correct answer: (C) 8000

   Margin = 60% − 40% = 20% of total = 1600 → total = 1600 × 100/20 = 8000.

Want the full set? Practise all 6 Percentages questions →