SCERT D. El. Ed 2026 - General Mathematics

SCERT D. El. Ed 2026 – General Knowledge MCQs

SCERT D. El. Ed 2026 – General Knowledge MCQs

Percentage & Data Analysis

Q1. 25% of 200 is
  • A. 25
  • B. 40
  • C. 50
  • D. 75
Correct Answer: C. 50
Explanation: 25% of 200 = (25/100) × 200 = 50.
Q2. 40% of 250 is
  • A. 80
  • B. 100
  • C. 120
  • D. 125
Correct Answer: B. 100
Explanation: 40% of 250 = (40/100) × 250 = 100.
Q3. Convert 0.45 into a percentage.
  • A. 4.5%
  • B. 45%
  • C. 0.45%
  • D. 450%
Correct Answer: B. 45%
Explanation: To convert a decimal into a percentage, multiply by 100: 0.45 × 100 = 45%.
Q4. Express 3/5 as a percentage.
  • A. 30%
  • B. 50%
  • C. 60%
  • D. 75%
Correct Answer: C. 60%
Explanation: 3/5 × 100 = 60%.
Q5. 15% as a fraction in lowest terms is
  • A. 15/100
  • B. 3/20
  • C. 1/15
  • D. 15/1
Correct Answer: B. 3/20
Explanation: 15% = 15/100. Dividing the numerator and denominator by their HCF of 5 yields 3/20.
Q6. In a class of 40 students, 30 passed. The pass percentage is
  • A. 60%
  • B. 70%
  • C. 75%
  • D. 80%
Correct Answer: C. 75%
Explanation: Pass percentage = (30/40) × 100 = 75%.
Q7. A number increases from 50 to 60. The percentage increase is
  • A. 10%
  • B. 15%
  • C. 20%
  • D. 25%
Correct Answer: C. 20%
Explanation: The increase amount is 60 – 50 = 10. Percentage increase = (10/50) × 100 = 20%.
Q8. What is 12.5% of 800?
  • A. 80
  • B. 100
  • C. 120
  • D. 125
Correct Answer: B. 100
Explanation: 12.5% of 800 = (12.5/100) × 800 = 100.
Q9. If 20% of a number is 30, the number is
  • A. 120
  • B. 140
  • C. 150
  • D. 180
Correct Answer: C. 150
Explanation: Let the number be x. 0.20 × x = 30, which gives x = 30/0.20 = 150.
Q10. A price decreased from 400 to 320. Find the percentage decrease.
  • A. 15%
  • B. 20%
  • C. 25%
  • D. 30%
Correct Answer: B. 20%
Explanation: The decrease is 400 – 320 = 80. Percentage decrease = (80/400) × 100 = 20%.
Q11. Compare 2/3 and 4/7. Which is greater?
  • A. 2/3
  • B. 4/7
  • C. Both equal
  • D. Cannot be compared
Correct Answer: A. 2/3
Explanation: By cross-multiplying, 2 × 7 = 14 and 3 × 4 = 12. Since 14 > 12, it follows that 2/3 > 4/7.
Q12. A student got 360 marks out of 500. The percentage is
  • A. 60%
  • B. 65%
  • C. 70%
  • D. 72%
Correct Answer: D. 72%
Explanation: Percentage = (360/500) × 100 = 72%.
Q13. What percentage of 80 is 20?
  • A. 20%
  • B. 25%
  • C. 40%
  • D. 50%
Correct Answer: B. 25%
Explanation: Percentage = (20/80) × 100 = 25%.
Q14. 30% of 90 + 20% of 60 equals
  • A. 30
  • B. 36
  • C. 39
  • D. 42
Correct Answer: C. 39
Explanation: 30% of 90 = 27, and 20% of 60 = 12. Their sum is 27 + 12 = 39.
Q15. If 60% of x = 90 then x equals
  • A. 120
  • B. 140
  • C. 150
  • D. 180
Correct Answer: C. 150
Explanation: 0.60 × x = 90, which simplifies to x = 90/0.60 = 150.
Q16. A salary of 20,000 is increased by 10%. The new salary is
  • A. 21,000
  • B. 22,000
  • C. 22,500
  • D. 25,000
Correct Answer: B. 22,000
Explanation: The salary increase is 10% of 20,000 = 2,000. New salary = 20,000 + 2,000 = 22,000.
Q17. In an exam of 60 questions, a student answered 45 correctly. His accuracy is
  • A. 60%
  • B. 70%
  • C. 75%
  • D. 80%
Correct Answer: C. 75%
Explanation: Accuracy rate = (45/60) × 100 = 75%.
Q18. What is 5% of 1 hour in minutes?
  • A. 2 minutes
  • B. 3 minutes
  • C. 5 minutes
  • D. 6 minutes
Correct Answer: B. 3 minutes
Explanation: 1 hour is equivalent to 60 minutes. 5% of 60 minutes = 0.05 × 60 = 3 minutes.
Q19. A number when increased by 25% becomes 75. The original number is
  • A. 50
  • B. 55
  • C. 60
  • D. 65
Correct Answer: C. 60
Explanation: Let the original number be x. x × 1.25 = 75, which means x = 75/1.25 = 60.
Q20. 80% of 75 equals
  • A. 50
  • B. 55
  • C. 60
  • D. 65
Correct Answer: C. 60
Explanation: 0.80 × 75 = 60.
Q21. If 35% of students of a class are 14, the total number of students is
  • A. 30
  • B. 35
  • C. 40
  • D. 45
Correct Answer: C. 40
Explanation: Let the total number of students be n. 0.35 × n = 14, which means n = 14/0.35 = 40.

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