RRB ALP · Previous year papers · 2022
RRB ALP 2022 previous year paper practice · PYQ-pattern set
19 PYQ-pattern questions modelled on the 2022 paper (which had 75) · 60 min
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Showing 10 of the 19 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 · LCM and HCF
Find the LCM of 12, 18, and 24.
- A. 48
- B. 72
- C. 84
- D. 96
Answer and solution
Answer: B
Prime factorization gives LCM = 2³ × 3² = 72.
Q2 · Number System
Find the smallest number which when divided by 12, 15, and 20 leaves a remainder of 5 in each case.
- A. 55
- B. 60
- C. 65
- D. 70
Answer and solution
Answer: C
LCM of 12, 15, 20 is 60. Required number = 60 + 5 = 65.
Q3 · Percentage
If 25% of a number is 60, what is the number?
- A. 200
- B. 220
- C. 240
- D. 260
Answer and solution
Answer: C
Let the number be x. Then 0.25x = 60, so x = 60/0.25 = 240.
Q4 · Algebra
If x + 1/x = 5, then what is the value of x² + 1/x²?
- A. 21
- B. 23
- C. 25
- D. 27
Answer and solution
Answer: B
Square both sides: (x + 1/x)² = x² + 1/x² + 2 = 25. Therefore x² + 1/x² = 25 - 2 = 23.
Q5 · Profit and Loss
By selling an article for ₹432, a man loses 10%. At what price should he sell it to gain 15%?
- A. ₹552
- B. ₹560
- C. ₹576
- D. ₹580
Answer and solution
Answer: A
CP = 432/0.90 = 480. To gain 15%: 480 × 1.15 = 552.
Q6 · Elementary Statistics
The mean of 5 numbers is 40. If one number is excluded, their mean becomes 35. What is the excluded number?
- A. 55
- B. 60
- C. 50
- D. 45
Answer and solution
Answer: B
Sum of 5 numbers = 5 × 40 = 200. Sum of 4 numbers = 4 × 35 = 140. Excluded number = 200 - 140 = 60.
Q7 · Calendar and Clock
At what time between 3 o'clock and 4 o'clock are the hands of a clock together?
- A. 3:16(4/11) minutes
- B. 3:15 minutes
- C. 3:18 minutes
- D. 3:20 minutes
Answer and solution
Answer: A
At x minutes past 3, minute hand is at 6x degrees and hour hand is at (90 + x/2) degrees. When together, 6x = 90 + x/2, giving 11x/2 = 90, so x = 180/11 = 16(4/11) minutes.
Q8 · Mixture and Allegation
In what ratio must water be mixed with milk costing ₹40 per litre to get a mixture worth ₹32 per litre?
- A. 1:4
- B. 1:5
- C. 2:5
- D. 1:3
Answer and solution
Answer: A
Using allegation: (40-32):(32-0) = 8:32 = 1:4. Water must be mixed with milk in the ratio 1:4.
Q9 · Alphabetical and Number Series
Find the missing letter in the series: B, E, I, N, ?
- A. R
- B. S
- C. T
- D. U
Answer and solution
Answer: C
The differences between positions are: 2, 3, 4, 5 (increasing by 1). B(2)→E(5)→I(9)→N(14)→T(20). Therefore T is the answer.
Q10 · Mathematical Operations
If 'P' denotes '+', 'Q' denotes '−', 'R' denotes '×', and 'S' denotes '÷', then find the value of 25 P 5 R 4 Q 30 S 6.
- A. 40
- B. 42
- C. 45
- D. 50
Answer and solution
Answer: A
Substitute symbols: 25 + 5 × 4 − 30 ÷ 6. Using BODMAS: 25 + 20 − 5 = 40.
Breakdown by subject
Mathematics
8 questions
General Intelligence and Reasoning
5 questions
General Science
2 questions
General Awareness and Current Affairs
4 questions