RRB Group D · Previous year papers · 2023
RRB Group D 2023 previous year paper practice · PYQ-pattern set
18 PYQ-pattern questions modelled on the 2023 paper (which had 100) · 90 min
Every question here is freshly worded in the pattern of the 2023 paper — same topics, style and difficulty — not the original questions, which Shishya does not reproduce.
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Showing 10 of the 18 PYQ-pattern questions in this set — freshly worded in that year's pattern, not the original questions. Answers and solutions open under each question.
Q1 · Decimals and Fractions
What is the value of (0.75 × 0.75 + 0.25 × 0.25 + 2 × 0.75 × 0.25)?
- A. 0.5
- B. 1.0
- C. 1.5
- D. 2.0
Answer and solution
Answer: B
The expression represents (a + b)² where a = 0.75 and b = 0.25. Therefore, (0.75 + 0.25)² = 1² = 1.0.
Q2 · Time and Work
A can complete a work in 12 days and B can complete the same work in 18 days. If they work together, in how many days will they complete the work?
- A. 6 days
- B. 7.2 days
- C. 8 days
- D. 9 days
Answer and solution
Answer: B
A's 1 day work = 1/12, B's 1 day work = 1/18. Combined work per day = 1/12 + 1/18 = 5/36. Total days = 36/5 = 7.2 days.
Q3 · Ratio and Proportion
The ratio of ages of A and B is 5:7. After 6 years, the ratio will become 3:4. What is the present age of B?
- A. 28 years
- B. 35 years
- C. 42 years
- D. 49 years
Answer and solution
Answer: C
Let present ages be 5x and 7x. After 6 years: (5x+6)/(7x+6) = 3/4. Solving: 20x + 24 = 21x + 18, x = 6. B's age = 7 × 6 = 42 years.
Q4 · Geometry
The perimeter of a square is 48 cm. What is its area?
- A. 121 cm²
- B. 144 cm²
- C. 169 cm²
- D. 196 cm²
Answer and solution
Answer: B
Side = Perimeter ÷ 4 = 48 ÷ 4 = 12 cm. Area = side² = 12² = 144 cm².
Q5 · Trigonometry
If sin θ = 3/5, then what is the value of cos θ? (Assume θ is acute)
- A. 3/5
- B. 4/5
- C. 5/3
- D. 5/4
Answer and solution
Answer: B
Using sin²θ + cos²θ = 1, we get (3/5)² + cos²θ = 1, so cos²θ = 16/25, hence cos θ = 4/5.
Q6 · Profit and Loss
A shopkeeper buys an article for ₹800 and sells it for ₹920. Find the profit percentage.
- A. 12%
- B. 13%
- C. 15%
- D. 18%
Answer and solution
Answer: C
Profit = 920 - 800 = ₹120. Profit% = (120/800) × 100 = 15%.
Q7 · Time and Work
A can complete a work in 12 days and B can complete the same work in 18 days. If they work together for 4 days, what fraction of work is remaining?
- A. 1/3
- B. 2/9
- C. 4/9
- D. 5/9
Answer and solution
Answer: C
A's rate 1/12, B's rate 1/18, combined 5/36 per day. Over 4 days work done = 20/36 = 5/9. Remaining = 1 - 5/9 = 4/9.
Q8 · Ratio and Proportion
Divide Rs. 780 among A, B, and C in the ratio 2:3:5. What is the share of B?
- A. Rs. 156
- B. Rs. 234
- C. Rs. 312
- D. Rs. 390
Answer and solution
Answer: B
Total ratio parts = 2 + 3 + 5 = 10. B's share = (3/10) × 780 = Rs. 234.
Q9 · Profit and Loss
A shopkeeper sold an article at ₹945 after allowing a discount of 10% on the marked price. If he still made a profit of 5%, what was his cost price?
- A. ₹850
- B. ₹880
- C. ₹900
- D. ₹920
Answer and solution
Answer: C
Selling price = ₹945 = 105% of CP. Therefore CP = (945 × 100)/105 = ₹900.
Q10 · Square Root
The square root of (0.0625 × 0.0016) is:
- A. 0.001
- B. 0.01
- C. 0.1
- D. 1
Answer and solution
Answer: B
0.0625 = (0.25)² and 0.0016 = (0.04)². Therefore √(0.0625 × 0.0016) = 0.25 × 0.04 = 0.01.
Breakdown by subject
Mathematics
16 questions
General Intelligence and Reasoning
2 questions