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DRDO CEPTAM Percentage Questions with Answers & Explanations

18 Percentage questions from the Quantitative Ability section of DRDO CEPTAM, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.

Question 1

What is 60% of 1040?

  1. A626
  2. B624
  3. C619
  4. D622
Show answer
Answer: (B) 624 60% of 1040 = 60/100 Γ— 1040 = 624.
Question 2

What is 30% of 420?

  1. A121
  2. B105
  3. C131
  4. D126
Show answer
Answer: (D) 126 30% of 420 = 30/100 Γ— 420 = 126.
Question 3

The price of an item is first increased by 30% and then decreased by 20%. What is the net change in price?

  1. A50% increase
  2. B4% increase
  3. C6% increase
  4. D10% increase
Show answer
Answer: (B) 4% increase Net change = 30 βˆ’ 20 βˆ’ (30 Γ— 20)/100 = 4%.
Question 4

What is 35% of 780?

  1. A278
  2. B263
  3. C273
  4. D268
Show answer
Answer: (C) 273 35% of 780 = 35/100 Γ— 780 = 273.
Question 5

The price of an item is first increased by 50% and then decreased by 50%. What is the net change in price?

  1. ANo change
  2. B23% decrease
  3. C100% increase
  4. D25% decrease
Show answer
Answer: (D) 25% decrease Net change = 50 βˆ’ 50 βˆ’ (50 Γ— 50)/100 = -25%.
Question 6

What is 5% of 100?

  1. A3
  2. B15
  3. C10
  4. D5
Show answer
Answer: (D) 5 5% of 100 = 5/100 Γ— 100 = 5.
Question 7

What is 12% of 660?

  1. A74.2
  2. B79.2
  3. C112.2
  4. D77.2
Show answer
Answer: (B) 79.2 12% of 660 = 12/100 Γ— 660 = 79.2.
Question 8

The price of an item is first increased by 40% and then decreased by 25%. What is the net change in price?

  1. A3% increase
  2. B5% increase
  3. C65% increase
  4. D5% decrease
Show answer
Answer: (B) 5% increase Net change = 40 βˆ’ 25 βˆ’ (40 Γ— 25)/100 = 5%.
Question 9

What is 30% of 1160?

  1. A290
  2. B348
  3. C343
  4. D406
Show answer
Answer: (B) 348 30% of 1160 = 30/100 Γ— 1160 = 348.
Question 10

The price of an item is first increased by 25% and then decreased by 20%. What is the net change in price?

  1. A2% decrease
  2. B5% increase
  3. C2% increase
  4. DNo change
Show answer
Answer: (D) No change Net change = 25 βˆ’ 20 βˆ’ (25 Γ— 20)/100 = 0%.

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Question 11

What is 5% of 900?

  1. A50
  2. B55
  3. C40
  4. D45
Show answer
Answer: (D) 45 5% of 900 = 5/100 Γ— 900 = 45.
Question 12

What is 30% of 620?

  1. A186
  2. B191
  3. C217
  4. D184
Show answer
Answer: (A) 186 30% of 620 = 30/100 Γ— 620 = 186.
Question 13

The price of an item is first increased by 10% and then decreased by 10%. What is the net change in price?

  1. A3% decrease
  2. BNo change
  3. C20% increase
  4. D1% decrease
Show answer
Answer: (D) 1% decrease Net change = 10 βˆ’ 10 βˆ’ (10 Γ— 10)/100 = -1%.
Question 14

What is 25% of 220?

  1. A53
  2. B45
  3. C57
  4. D55
Show answer
Answer: (D) 55 25% of 220 = 25/100 Γ— 220 = 55.
Question 15

What is 35% of 1020?

  1. A352
  2. B357
  3. C355
  4. D362
Show answer
Answer: (B) 357 35% of 1020 = 35/100 Γ— 1020 = 357.
Question 16

The price of an item is first increased by 10% and then decreased by 20%. What is the net change in price?

  1. A14% decrease
  2. B10% decrease
  3. C12% increase
  4. D12% decrease
Show answer
Answer: (D) 12% decrease Net change = 10 βˆ’ 20 βˆ’ (10 Γ— 20)/100 = -12%.
Question 17

What is 75% of 220?

  1. A167
  2. B165
  3. C175
  4. D160
Show answer
Answer: (B) 165 75% of 220 = 75/100 Γ— 220 = 165.
Question 18

The price of an item is first increased by 40% and then decreased by 25%. What is the net change in price?

  1. A3% increase
  2. B65% increase
  3. C5% increase
  4. D15% increase
Show answer
Answer: (C) 5% increase Net change = 40 βˆ’ 25 βˆ’ (40 Γ— 25)/100 = 5%.

These are RankerClub practice questions written in the DRDO CEPTAM pattern. They are not official SSC/IBPS/RRB papers.

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