Prep Guide
BEL aptitude questions
Overview
Section titled “Overview”Practice BEL aptitude questions for BEL / GATE-based Recruitment.
BEL Aptitude Mock Quiz
Timed placement-style MCQs with score and explanations after you submit. Use it to check speed and accuracy before the real test.
Quantitative
The table shows sales (in thousands) for 5 products. If Product A sold 25% more than Product B, and Product B sold 40,000 units, find Product A's sales.
Product B = 40,000 Product A = 40,000 + 25% of 40,000 = 40,000 + 10,000 = 50,000
Verbal
Synonym of "Brief":
Brief means concise or short.
Quantitative
The ratio of ages of A and B is 3:5. After 10 years, the ratio becomes 5:7. Find the present age of A.
Let present ages be 3x and 5x After 10 years: (3x + 10)/(5x + 10) = 5/7 7(3x + 10) = 5(5x + 10) 21x + 70 = 25x + 50 4x = 20 x = 5 A's present age = 3 × 5 = 15 years
Verbal
Neither the teacher nor the students _____ present.
Verb agrees with nearer subject (students) → were.
Reasoning
In how many ways can 5 people be arranged in a row if two particular people must sit together?
Treat the two people as one unit: 4 units to arrange = 4! ways The two people can be arranged among themselves in 2! ways Total = 4! × 2! = 24 × 2 = 48 ways
Quantitative
In a mixture of 60 liters, the ratio of milk and water is 2:1. How much water should be added to make the ratio 1:2?
Correct answer: 60 liters
Reasoning
If P means +, Q means −, R means ×, then 18 R 2 P 6 Q 4 = ?
18 × 2 + 6 − 4 = 36 + 6 − 4 = 38.
Reasoning
If every letter is shifted +2 in the alphabet, SUN becomes:
Each letter +2 → UWP.
Quantitative
The ratio of ages of A and B is 3:5. After 8 years, the ratio becomes 5:7. Find the present age of A.
Let present ages be 3x and 5x. After 8 years: - A's age: 3x + 8 - B's age: 5x + 8 Given: (3x + 8)/(5x + 8) = 5/7 7(3x + 8) = 5(5x + 8) 21x + 56 = 25x + 40 4x = 16 x = 4 Present age of A = 3x = 3 × 4 = 12 years
Verbal
"To add fuel to the fire" means:
It means worsening a conflict or situation.
Reasoning
All pens are books. Some books are papers. Conclusion: Some pens are papers.
No definite overlap between pens and papers.
Reasoning
Find the next number: 1, 3, 6, 10, 15, ?
Correct answer: 21
Verbal
Problem: Find the synonym of "MAGNIFICENT": a) Ordinary b) Splendid c) Small d) Ugly
Magnificent means impressively beautiful or grand, so "Splendid" is the synonym.
Quantitative
If 20% of a number is 60, what is 35% of that number?
Let the number be x 20% of x = 60 x = 60 × 100/20 = 300 35% of 300 = 35/100 × 300 = 105
Quantitative
A train 150 m long runs at 54 km/h. Time to cross a man standing is:
54 km/h = 15 m/s. Time = 150/15 = 10 s.
Your score
0/15(0%)
Review
Question 1
Section titled “Question 1”Pipe A fills in 6h, B in 8h. Together to fill?
Answer: 24/7 hours
Explanation: 1/6+1/8=7/24.
Question 2
Section titled “Question 2”CP Rs.500, SP Rs.600. Profit percent?
Answer: 20%
Explanation: (100/500)*100=20%.
Question 3
Section titled “Question 3”Find next: 2, 6, 12, 20, 30, ?
Answer: 42
Explanation: n(n+1) pattern.
Question 4
Section titled “Question 4”A train 120 m long runs at 54 km/h. Time to pass a pole?
Answer: 8 seconds
Explanation: 54 km/h = 15 m/s; t = 120/15 = 8 s.
Question 5
Section titled “Question 5”Ratio of ages A:B = 4:5. After 6 years = 6:7. A present age?
Answer: 12 years
Explanation: 4x+6 / 5x+6 = 6/7 => x=3 => A=12.
Question 6
Section titled “Question 6”Simple interest on Rs.8000 at 10% for 2 years?
Answer: Rs.1600
Explanation: SI = PRT/100 = 1600.
Question 7
Section titled “Question 7”If 30% of x = 150, x = ?
Answer: 500
Explanation: 0.3x=150 => x=500.
Question 8
Section titled “Question 8”Average of 5 numbers is 20. One number 30 replaced by 10. New average?
Answer: 16
Explanation: Sum 100 -> 80; avg 16.
Question 9
Section titled “Question 9”A finishes in 10 days, B in 15. Together?
Answer: 6 days
Explanation: 1/10+1/15=1/6.
Question 10
Section titled “Question 10”Probability of drawing an ace from a deck?
Answer: 1/13
Explanation: 4/52=1/13.
Extra Drill Set (BEL flavor)
Section titled “Extra Drill Set (BEL flavor)”Q17: A finishes work in 16 days, B in 19 days. Days together?
Rate = 1/16 + 1/19. Days = reciprocal of that sum.
Answer: compute exactly before the exam; practice the fraction form daily.
Q18: Price increases by 13%. Consumption reduction to keep spend constant?
Reduction % = r/(100+r)×100 with r=13.
Answer: 13/(100+13)×100 (simplify).
Q19: Average of 7 numbers is 18. One number 24 replaced by 10. New average?
Sum 126 → 112 → average 16.
Answer: 16
Q20: SI on ₹8000 at 7.5% for 2 years?
SI = 8000×7.5×2/100 = ₹1200.
Answer: ₹1200
Q21: Synonym of “Mitigate”
Answer: Alleviate / reduce
Q22: Series: 3, 9, 27, 81, ?
Multiply by 3 → 243.
Answer: 243
Q23: If NORTH is coded as 13 (letter count? or positions), prefer position-sum drills for your mock bank.
Practice coding-decoding patterns: +1/−1, reverse, position sums.
Answer: pattern-dependent; master 4 common patterns.
Q24: All engineers are graduates. Some graduates are managers. Conclusion: some engineers are managers?
Does not follow necessarily.
Answer: Does not follow
Related
Section titled “Related”Coding
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