“How Maths Questions are Asked in SSC – 100 Important Questions”Hindi and English

Maths के Questions कैसे पछ
ू े जाते हैं SSC में – 100 महत्वपर्ण
ू
प्रश्न”




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1. If 25% of a number is 80, what is the number?​
Answer: 320​
(Solution: 25% = 1/4 → number = 80 × 4 = 320)


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2. The ratio of ages of A and B is 3:5. If A’s age is 18, what is B’s age?​
Answer: 30​
(Solution: 18/3 = 6 → 6×5 = 30)


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3. A man buys an article for ₹800 and sells it for ₹920. Find the profit percent.​
Answer: 15%​
(Profit = 120, Profit% = 120/800 × 100 = 15%)


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4. Find the simple interest on ₹4000 at 10% per annum for 3 years.​
Answer: ₹1200​
(SI = P×R×T/100 = 4000×10×3/100)


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5. A train travels 180 km in 3 hours. Find its speed.​
Answer: 60 km/h​
(Speed = Distance/Time)


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6. If the perimeter of a square is 48 cm, find its area.​
Answer: 144 cm²​
(Side = 48/4 = 12 → Area = 12² = 144)


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7. What is the average of 10, 20, 30, 40, and 50?​
Answer: 30​
(Sum = 150, Numbers = 5 → 150/5 = 30)

8. The LCM and HCF of two numbers are 84 and 12 respectively. If one number is 24, find the

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other.​
Answer: 42​
(HCF × LCM = Product → 12×84 = 24×x → x = 42)


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9. A man can do a piece of work in 15 days. How much work will he do in 5 days?​
Answer: 1/3​
(Work/day = 1/15 → 5 days = 5/15 = 1/3)

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10. Find the value of (45% of 200).​
Answer: 90


👉 Answer: 55​
11. What is the sum of the first 10 natural numbers?​

(n(n+1)/2 = 10×11/2 = 55)


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12. If cost price = ₹80 and selling price = ₹100, find profit percent.​
Answer: 25%

13. The speed of a boat in still water is 8 km/h, and the stream speed is 2 km/h. Find the

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upstream speed.​
Answer: 6 km/h​
(Upstream = 8 – 2)


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14. The square of 25 is?​
Answer: 625


👉 Answer: 13
15. If a = 3, b = 2, find the value of (a² + b²).​




👉 Answer: 40 cm​
16. Find the perimeter of a rectangle whose length = 12 cm and breadth = 8 cm.​

(2(l+b) = 2(12+8))


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17. Find the value of √81.​
Answer: 9


👉 Answer: 3/4
18. Convert 0.75 into a fraction.​




👉 Answer: ₹10,000​
19. A man spends 60% of his income. If he saves ₹4000, find his total income.​

(40% = 4000 → 100% = 4000×100/40)


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20. If x = 5, find the value of 2x² + 3x – 4.​
Answer: 61



21. The difference between the simple interest and compound interest on ₹5000 for 2 years at

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10% per annum is?​
Answer: ₹50​
(CI – SI = P × (R/100)² = 5000 × (10/100)² = 50)

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22. The sum of angles of a triangle is?​
Answer: 180°


👉 Answer: 7 cm​
23. The perimeter of a circle is 44 cm. Find its radius (π = 22/7).​

(2πr = 44 → r = 44 / (2×22/7) = 7)


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24. If 3 pens cost ₹45, what is the cost of 7 pens?​
Answer: ₹105​
(1 pen = 15 → 7×15 = 105)


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25. Find the cube of 6.​
Answer: 216


👉 Answer: 16.67 m/s​
26. A person covers 120 km in 2 hours. What is his speed in m/s?​

(120 km = 120,000 m → 120,000/7200 = 16.67)

27. A number when divided by 8 leaves a remainder of 5. What will be the remainder when the

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same number is divided by 4?​
Answer: 1


👉 Answer: 17​
28. The average of 4 consecutive even numbers is 15. Find the largest number.​

(Numbers: 12, 14, 16, 18 → avg = 15 → largest = 18)


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29. Find the missing term: 4, 9, 16, 25, ?​
Answer: 36​
(Squares of 2, 3, 4, 5, 6)


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30. A car covers a distance of 240 km in 4 hours. Find its speed.​
Answer: 60 km/h


👉 Answer: 12 cm​
31. The area of a rectangle is 96 cm² and its breadth is 8 cm. Find its length.​

(Area = L×B → L = 96/8)


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32. Find the sum of angles of a pentagon.​
Answer: 540°​
((n–2)×180 = (5–2)×180)


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33. If x + y = 10 and x – y = 4, find x and y.​
Answer: x = 7, y = 3


👉 Answer: ₹600
34. Find the simple interest on ₹2500 at 8% per annum for 3 years.​