What is 30% of 520?
- A156
- B161
- C182
- D146
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Answer: (A) 156
30% of 520 = 30/100 × 520 = 156.
RRB JE Percentage Questions with Answers & Explanations
19 Percentage questions from the Mathematics section of RRB JE, 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.
The price of an item is first increased by 30% and then decreased by 20%. What is the net change in price?
- A4% decrease
- B4% increase
- C50% increase
- D2% increase
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Answer: (B) 4% increase
Net change = 30 − 20 − (30 × 20)/100 = 4%.
What is 75% of 120?
- A95
- B85
- C90
- D88
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Answer: (C) 90
75% of 120 = 75/100 × 120 = 90.
The price of an item is first increased by 10% and then decreased by 20%. What is the net change in price?
- A14% decrease
- B12% decrease
- C30% increase
- D10% decrease
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Answer: (B) 12% decrease
Net change = 10 − 20 − (10 × 20)/100 = -12%.
What is 60% of 1080?
- A702
- B643
- C648
- D658
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Answer: (C) 648
60% of 1080 = 60/100 × 1080 = 648.
The price of an item is first increased by 50% and then decreased by 20%. What is the net change in price?
- A18% increase
- B70% increase
- C30% increase
- D20% increase
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Answer: (D) 20% increase
Net change = 50 − 20 − (50 × 20)/100 = 20%.
What is 45% of 1020?
- A469
- B457
- C459
- D464
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Answer: (C) 459
45% of 1020 = 45/100 × 1020 = 459.
The price of an item is first increased by 20% and then decreased by 10%. What is the net change in price?
- A8% increase
- B6% increase
- C8% decrease
- D10% increase
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Answer: (A) 8% increase
Net change = 20 − 10 − (20 × 10)/100 = 8%.
What is 75% of 760?
- A570
- B580
- C568
- D532
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Answer: (A) 570
75% of 760 = 75/100 × 760 = 570.
The price of an item is first increased by 25% and then decreased by 20%. What is the net change in price?
- A2% decrease
- B45% increase
- C2% increase
- DNo change
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Answer: (D) No change
Net change = 25 − 20 − (25 × 20)/100 = 0%.
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Timed Mathematics test · 30 questions · instant rank
What is 10% of 520?
- A62
- B52
- C26
- D47
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Answer: (B) 52
10% of 520 = 10/100 × 520 = 52.
The price of an item is first increased by 20% and then decreased by 25%. What is the net change in price?
- A10% increase
- B10% decrease
- C12% decrease
- D45% increase
Show answer
Answer: (B) 10% decrease
Net change = 20 − 25 − (20 × 25)/100 = -10%.
What is 12% of 920?
- A105.4
- B100.4
- C112.4
- D110.4
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Answer: (D) 110.4
12% of 920 = 12/100 × 920 = 110.4.
What is 5% of 720?
- A36
- B26
- C72
- D31
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Answer: (A) 36
5% of 720 = 5/100 × 720 = 36.
What is 45% of 1120?
- A494
- B514
- C502
- D504
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Answer: (D) 504
45% of 1120 = 45/100 × 1120 = 504.
The price of an item is first increased by 10% and then decreased by 10%. What is the net change in price?
- ANo change
- B3% decrease
- C20% increase
- D1% decrease
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Answer: (D) 1% decrease
Net change = 10 − 10 − (10 × 10)/100 = -1%.
What is 12% of 600?
- A67
- B70
- C102
- D72
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Answer: (D) 72
12% of 600 = 12/100 × 600 = 72.
The price of an item is first increased by 20% and then decreased by 25%. What is the net change in price?
- A8% decrease
- B10% increase
- C10% decrease
- D12% decrease
Show answer
Answer: (C) 10% decrease
Net change = 20 − 25 − (20 × 25)/100 = -10%.
What is 30% of 1200?
- A350
- B362
- C360
- D300
Show answer
Answer: (C) 360
30% of 1200 = 30/100 × 1200 = 360.
These are RankerClub practice questions written in the RRB JE pattern. They are not official SSC/IBPS/RRB papers.
