RRB Group D · Previous year papers · 2024
RRB Group D 2024 previous year paper practice · PYQ-pattern set
17 PYQ-pattern questions modelled on the 2024 paper (which had 100) · 90 min
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Showing 10 of the 17 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 · BODMAS
Simplify: 48 ÷ 8 × 2 + 6 - 4
- A. 14
- B. 16
- C. 18
- D. 20
Answer and solution
Answer: A
Using BODMAS: 48 ÷ 8 × 2 + 6 - 4 = 6 × 2 + 6 - 4 = 12 + 6 - 4 = 14.
Q2 · Mensuration
The area of a rectangular field is 1200 m² and its length is 40 m. Find the cost of fencing the field at ₹15 per meter.
- A. ₹1800
- B. ₹2100
- C. ₹2400
- D. ₹2700
Answer and solution
Answer: B
Breadth = 1200 ÷ 40 = 30 m. Perimeter = 2(40 + 30) = 140 m. Cost of fencing = 140 × 15 = ₹2100.
Q3 · Percentage
If 30% of a number is 90, what is 70% of that number?
- A. 180
- B. 210
- C. 240
- D. 270
Answer and solution
Answer: B
30% of the number = 90, so the number = 90 ÷ 0.30 = 300. Therefore, 70% of 300 = 0.70 × 300 = 210.
Q4 · Algebra
Simplify: 5x - 3x + 8 = 20. Find x.
- A. 4
- B. 5
- C. 6
- D. 7
Answer and solution
Answer: C
5x - 3x + 8 = 20 gives 2x = 12, so x = 6.
Q5 · Time and Distance
A car covers a distance of 180 km at a speed of 45 km/h. How much time does it take?
- A. 3 hours
- B. 4 hours
- C. 5 hours
- D. 6 hours
Answer and solution
Answer: B
Time = Distance ÷ Speed = 180 ÷ 45 = 4 hours.
Q6 · Simple and Compound Interest
Find the simple interest on ₹5,000 at 8% per annum for 3 years.
- A. ₹1,000
- B. ₹1,200
- C. ₹1,400
- D. ₹1,600
Answer and solution
Answer: B
SI = (P × R × T) ÷ 100 = (5000 × 8 × 3) ÷ 100 = ₹1,200.
Q7 · BODMAS
Simplify: 48 ÷ 4 × 2 + 6 - 3
- A. 27
- B. 30
- C. 33
- D. 24
Answer and solution
Answer: A
48 ÷ 4 = 12, then 12 × 2 = 24. Then 24 + 6 = 30, and 30 - 3 = 27.
Q8 · Mensuration
The area of a rectangular field is 3600 sq m and its length is 90 m. Find the perimeter of the field.
- A. 240 m
- B. 260 m
- C. 280 m
- D. 300 m
Answer and solution
Answer: B
Width = Area / Length = 3600 / 90 = 40 m. Perimeter = 2(Length + Width) = 2(90 + 40) = 2 × 130 = 260 m.
Q9 · LCM and HCF
The HCF and LCM of two numbers are 15 and 300 respectively. If one number is 60, what is the other number?
- A. 60
- B. 75
- C. 90
- D. 105
Answer and solution
Answer: B
Using the formula: Product of two numbers = HCF × LCM. So, 60 × other number = 15 × 300 = 4500. Other number = 4500 / 60 = 75.
Q10 · Simple and Compound Interest
The difference between compound interest and simple interest on a sum of ₹8,000 for 2 years at 5% per annum is:
- A. ₹18
- B. ₹20
- C. ₹22
- D. ₹25
Answer and solution
Answer: B
For 2 years, difference = P(R/100)² = 8000 × (5/100)² = 8000 × 1/400 = ₹20.
Breakdown by subject
Mathematics
15 questions
General Intelligence and Reasoning
2 questions