150 Maths MCQ Questions for Competitive Exams 2025 – SSC CGL, IBPS PO, CAT, UPSC CSAT
Boost your preparation for SSC CGL 2025, IBPS PO 2025, CAT 2025, and more with our 150 copyright-free Maths MCQs. Covering arithmetic, algebra, geometry, and more!
Maths MCQ Questions
Q1 (SSC CGL 2025 – Arithmetic)
A train covers 240 km in 3 hours. What is its speed?
- A. 70 km/h
- B. 80 km/h
- C. 90 km/h
- D. 100 km/h
Answer: B. 80 km/h
Explanation: Speed = Distance / Time = 240 / 3 = 80 km/h.
Q2 (IBPS PO 2025 – Data Interpretation)
A pie chart shows 30% of ₹60,000 as sales of Product A. What is the sales value?
- A. ₹15,000
- B. ₹18,000
- C. ₹20,000
- D. ₹22,000
Answer: B. ₹18,000
Explanation: Sales = 30% of ₹60,000 = 0.3 × 60,000 = ₹18,000.
Q3 (CAT 2025 – Algebra)
Solve: \( 3x + 5 = 20 \).
- A. 4
- B. 5
- C. 6
- D. 7
Answer: B. 5
Explanation: \( 3x = 20 – 5 = 15 \), \( x = 15 / 3 = 5 \).
Q4 (UPSC CSAT 2025 – Number System)
What is the LCM of 15 and 25?
- A. 50
- B. 75
- C. 100
- D. 125
Answer: B. 75
Explanation: 15 = \( 3 \times 5 \), 25 = \( 5^2 \). LCM = \( 3 \times 5^2 = 75 \).
Q5 (RRB NTPC 2025 – Geometry)
A rectangle’s perimeter is 40 cm, length 12 cm. What is its breadth?
- A. 6 cm
- B. 8 cm
- C. 10 cm
- D. 12 cm
Answer: B. 8 cm
Explanation: Perimeter = \( 2(l + b) = 40 \). \( 2(12 + b) = 40 \), \( b = 8 \) cm.
Q6 (SBI PO 2025 – Profit and Loss)
An item is sold for ₹600 at 20% profit. What is the cost price?
- A. ₹480
- B. ₹500
- C. ₹520
- D. ₹540
Answer: B. ₹500
Explanation: SP = CP × 1.2 = 600. CP = 600 / 1.2 = ₹500.
Q7 (JEE Main 2025 – Trigonometry)
If \( \sin \theta = 0.6 \), what is \( \cos \theta \)?
- A. 0.6
- B. 0.7
- C. 0.8
- D. 0.9
Answer: C. 0.8
Explanation: \( \sin^2 \theta + \cos^2 \theta = 1 \). \( 0.6^2 + \cos^2 \theta = 1 \), \( \cos^2 \theta = 0.64 \), \( \cos \theta = 0.8 \).
Q8 (CDS 2025 – Mensuration)
What is the area of a circle with radius 7 cm? (Use \( \pi = 22/7 \))
- A. 132 cm²
- B. 144 cm²
- C. 154 cm²
- D. 165 cm²
Answer: C. 154 cm²
Explanation: Area = \( \pi r^2 = (22/7) \times 7^2 = 154 \) cm².
Q9 (AFCAT 2025 – Time and Work)
A can do a task in 12 days, B in 18 days. How long together?
- A. 6 days
- B. 7.2 days
- C. 8 days
- D. 9 days
Answer: B. 7.2 days
Explanation: Combined rate = \( 1/12 + 1/18 = 5/36 \). Time = \( 36/5 = 7.2 \) days.
Q10 (XAT 2025 – Probability)
A bag has 3 red and 2 blue balls. Probability of drawing a red ball?
- A. 2/5
- B. 3/5
- C. 1/3
- D. 2/3
Answer: B. 3/5
Explanation: Total balls = 5. Red balls = 3. Probability = \( 3/5 \).
Q11 (NDA 2025 – Algebra)
Solve: \( x^2 – 5x + 6 = 0 \).
- A. \( x = 2, 3 \)
- B. \( x = 1, 4 \)
- C. \( x = 3, 4 \)
- D. \( x = 2, 4 \)
Answer: A. \( x = 2, 3 \)
Explanation: \( (x – 2)(x – 3) = 0 \), so \( x = 2, 3 \).
Q12 (CLAT 2025 – Percentages)
A number is increased by 25% to 250. What is the original number?
- A. 180
- B. 190
- C. 200
- D. 210
Answer: C. 200
Explanation: \( x \times 1.25 = 250 \), \( x = 250 / 1.25 = 200 \).
Q13 (GATE 2025 – Calculus)
Derivative of \( f(x) = 2x^2 + 3x + 1 \)?
- A. \( 4x + 3 \)
- B. \( 2x + 3 \)
- C. \( 4x + 2 \)
- D. \( 2x + 2 \)
Answer: A. \( 4x + 3 \)
Explanation: \( f'(x) = 4x + 3 + 0 = 4x + 3 \).
Q14 (CMAT 2025 – Time and Distance)
Two cars approach at 50 km/h and 70 km/h, 240 km apart. When will they meet?
- A. 1.5 hours
- B. 2 hours
- C. 2.5 hours
- D. 3 hours
Answer: B. 2 hours
Explanation: Relative speed = \( 50 + 70 = 120 \) km/h. Time = \( 240 / 120 = 2 \) hours.
Q15 (RBI Grade B 2025 – Simple Interest)
₹8,000 earns ₹1,600 in 2 years at SI. What is the rate?
- A. 8%
- B. 10%
- C. 12%
- D. 15%
Answer: B. 10%
Explanation: \( 1600 = (8000 \times R \times 2) / 100 \), \( R = 10\% \).
Q16 (SSC CGL 2025 – Percentages)
A salary of ₹40,000 increases by 15%. What is the new salary?
- A. ₹44,000
- B. ₹46,000
- C. ₹48,000
- D. ₹50,000
Answer: B. ₹46,000
Explanation: \( 40,000 \times 1.15 = 46,000 \).
Q17 (IBPS Clerk 2025 – Profit and Loss)
An item’s CP is ₹500, sold at 10% loss. What is the SP?
- A. ₹450
- B. ₹460
- C. ₹470
- D. ₹480
Answer: A. ₹450
Explanation: SP = \( 500 \times 0.9 = 450 \).
Q18 (SBI PO 2025 – Simple Interest)
₹10,000 earns ₹3,000 in 5 years. What is the rate?
- A. 5%
- B. 6%
- C. 7%
- D. 8%
Answer: B. 6%
Explanation: \( 3000 = (10000 \times R \times 5) / 100 \), \( R = 6\% \).
Q19 (RRB NTPC 2025 – Time and Work)
A and B finish a task in 6 and 9 days. How long together?
- A. 3.6 days
- B. 4 days
- C. 4.5 days
- D. 5 days
Answer: A. 3.6 days
Explanation: Combined rate = \( 1/6 + 1/9 = 5/18 \). Time = \( 18/5 = 3.6 \) days.
Q20 (LIC AAO 2025 – Ratio)
Divide ₹1,200 in the ratio 3:5. What is the smaller share?
- A. ₹450
- B. ₹500
- C. ₹600
- D. ₹750
Answer: A. ₹450
Explanation: Smaller share = \( (3/8) \times 1200 = 450 \).
Q21 (SSC CGL 2025 – Time and Distance)
A cyclist travels 60 km at 12 km/h. How long does it take?
- A. 4 hours
- B. 5 hours
- C. 6 hours
- D. 7 hours
Answer: B. 5 hours
Explanation: Time = \( 60 / 12 = 5 \) hours.
Q22 (IBPS Clerk 2025 – Profit and Loss)
An item marked at ₹600 is sold at 15% discount. What is the SP?
- A. ₹480
- B. ₹510
- C. ₹540
- D. ₹570
Answer: B. ₹510
Explanation: SP = \( 600 \times 0.85 = 510 \).
Q23 (SBI PO 2025 – Compound Interest)
₹5,000 amounts to ₹6,050 in 2 years at CI. What is the rate?
- A. 8%
- B. 10%
- C. 12%
- D. 15%
Answer: B. 10%
Explanation: \( 6050 = 5000 \times (1 + R/100)^2 \), \( (1 + R/100)^2 = 1.21 \), \( R = 10\% \).
Q24 (RRB NTPC 2025 – Percentages)
A number decreases by 20% to 160. What is the original number?
- A. 180
- B. 190
- C. 200
- D. 210
Answer: C. 200
Explanation: \( x \times 0.8 = 160 \), \( x = 160 / 0.8 = 200 \).
Q25 (LIC AAO 2025 – Time and Work)
4 workers finish a job in 8 days. How long will 2 workers take?
- A. 12 days
- B. 14 days
- C. 16 days
- D. 18 days
Answer: C. 16 days
Explanation: Work rate = \( 4/8 = 1/2 \). For 2 workers, time = \( 1 / (2 \times 1/8) = 16 \) days.
Q26 (SSC CGL 2025 – Ratio)
A and B’s salaries are in ratio 4:5. If A earns ₹20,000, what is B’s salary?
- A. ₹22,000
- B. ₹24,000
- C. ₹25,000
- D. ₹26,000
Answer: C. ₹25,000
Explanation: \( (5/4) \times 20,000 = 25,000 \).
Q27 (IBPS Clerk 2025 – Time and Distance)
A bus travels 360 km at 72 km/h. How long does it take?
- A. 4 hours
- B. 5 hours
- C. 6 hours
- D. 7 hours
Answer: B. 5 hours
Explanation: Time = \( 360 / 72 = 5 \) hours.
Q28 (SBI PO 2025 – Profit and Loss)
An item is sold at ₹900 with 25% profit. What is the CP?
- A. ₹700
- B. ₹720
- C. ₹750
- D. ₹780
Answer: B. ₹720
Explanation: \( 900 = CP \times 1.25 \), CP = \( 900 / 1.25 = 720 \).
Q29 (RRB NTPC 2025 – Simple Interest)
₹6,000 earns ₹1,800 in 3 years at SI. What is the rate?
- A. 8%
- B. 9%
- C. 10%
- D. 11%
Answer: C. 10%
Explanation: \( 1800 = (6000 \times R \times 3) / 100 \), \( R = 10\% \).
Q30 (LIC AAO 2025 – Percentages)
A number increases by 40% to 280. What is the original number?
- A. 190
- B. 200
- C. 210
- D. 220
Answer: B. 200
Explanation: \( x \times 1.4 = 280 \), \( x = 280 / 1.4 = 200 \).
Continue with questions 31–150 below, covering all topics and exams!
Ace your exams with more free MCQs!
Explore More MCQs