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)
, 👉
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
👉
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
👉
10% per annum is?
Answer: ₹50
(CI – SI = P × (R/100)² = 5000 × (10/100)² = 50)
, 👉
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
👉
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.
ू े जाते हैं SSC में – 100 महत्वपर्ण
ू
प्रश्न”
👉
1. If 25% of a number is 80, what is the number?
Answer: 320
(Solution: 25% = 1/4 → number = 80 × 4 = 320)
👉
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)
👉
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%)
👉
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)
👉
5. A train travels 180 km in 3 hours. Find its speed.
Answer: 60 km/h
(Speed = Distance/Time)
👉
6. If the perimeter of a square is 48 cm, find its area.
Answer: 144 cm²
(Side = 48/4 = 12 → Area = 12² = 144)
👉
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
👉
other.
Answer: 42
(HCF × LCM = Product → 12×84 = 24×x → x = 42)
👉
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)
, 👉
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)
👉
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
👉
upstream speed.
Answer: 6 km/h
(Upstream = 8 – 2)
👉
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))
👉
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)
👉
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
👉
10% per annum is?
Answer: ₹50
(CI – SI = P × (R/100)² = 5000 × (10/100)² = 50)
, 👉
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)
👉
24. If 3 pens cost ₹45, what is the cost of 7 pens?
Answer: ₹105
(1 pen = 15 → 7×15 = 105)
👉
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
👉
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)
👉
29. Find the missing term: 4, 9, 16, 25, ?
Answer: 36
(Squares of 2, 3, 4, 5, 6)
👉
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)
👉
32. Find the sum of angles of a pentagon.
Answer: 540°
((n–2)×180 = (5–2)×180)
👉
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.
