SBI PO - Analytical problem solving and approximation techniques Online Test (MCQ Quiz)

1. Which of the following is the primary goal of approximation techniques in quantitative aptitude?

A) To arrive at the exact numerical answer quickly B) To estimate a reasonable answer within a given time constraint C) To identify the type of problem being presented D) To simplify complex mathematical operations for theoretical understanding

2. When approximating, which number is often rounded to 0.5 for easier calculation?

A) 1/3 B) 2/3 C) 1/4 D) 3/4

3. In approximation, if you have a sum like 599 + 701 + 998, what is the most efficient way to estimate the result?

A) Add the exact numbers first B) Round each number to the nearest hundred and then add C) Round each number to the nearest thousand and then add D) Ignore the last two digits of each number and add

4. Which of the following operations is generally easiest to approximate accurately?

A) Division of large numbers B) Multiplication of numbers with decimals C) Addition or subtraction of numbers close to round figures D) Finding the square root of a non-perfect square

5. Consider the expression: 49.8% of 399.8 + 29.9% of 799.6. What is the approximate value?

A) 180 B) 200 C) 220 D) 240

6. If a problem involves a percentage like 33.33%, what is its common fractional approximation?

A) 1/2 B) 1/3 C) 1/4 D) 2/3

7. What is the primary advantage of using approximation techniques in competitive exams like SBI PO?

A) Ensures perfect accuracy in all cases B) Reduces the time taken to solve problems significantly C) Requires advanced mathematical knowledge D) Eliminates the need for basic arithmetic skills

8. When approximating a square root like √50, what is a reasonable estimation?

A) 5 B) 6 C) 7 D) 8

9. Approximate the value of (19.98 * 20.01) / 9.99

A) 20 B) 30 C) 40 D) 50

10. Which of these approximations is generally the least accurate?

A) Rounding 24.9% to 25% B) Rounding 199 to 200 C) Rounding 1/7 to 0.14 D) Rounding 3/4 to 0.75

11. In the context of analytical problem solving, what does 'analytical' imply?

A) Focus on speed and quick calculations B) Breaking down a problem into smaller, manageable parts C) Using complex formulas without understanding D) Memorizing a large number of shortcuts

12. What is the approximate value of 74.98% of 599.99?

A) 420 B) 450 C) 480 D) 500

13. When faced with a series of numbers to add, like 1234 + 5678 + 9012, what is a good approximation strategy?

A) Add the units digits only B) Round each number to the nearest thousand and add C) Round each number to the nearest hundred and add D) Add the first two numbers exactly and approximate the third

14. Approximate the value of √725

A) 25 B) 27 C) 29 D) 31

15. Which approximation is valid for 1/6?

A) 0.15 B) 0.16 C) 0.17 D) 0.18

16. What is the approximate value of (4/7) * 210?

A) 100 B) 120 C) 140 D) 160

17. Consider the expression: 59.9% of 80.1 + 19.8% of 149.9. What is the approximate result?

A) 75 B) 80 C) 85 D) 90

18. When approximating a multiplication like 4.5 * 6.2, what is a common strategy?

A) Multiply 4 * 6 B) Multiply 5 * 6 C) Multiply 4.5 * 6 and then add 4.5 * 0.2 D) Round both numbers to the nearest integer and multiply

19. What is the approximate value of 3998 / 7.99?

A) 400 B) 500 C) 600 D) 700

20. If a calculation involves 1/9, what is its common decimal approximation?

A) 0.09 B) 0.10 C) 0.11 D) 0.12

21. Approximate the value of 1999 + 2001 + 2998

A) 6000 B) 7000 C) 8000 D) 9000

22. What is the approximate value of 66.7% of 90.1?

A) 50 B) 55 C) 60 D) 65

23. Which approximation is most useful for 1/8?

A) 0.1 B) 0.125 C) 0.15 D) 0.2

24. Approximate the value of 100.1 * 99.9

A) 9900 B) 10000 C) 10100 D) 10200

25. What is the approximate value of 15.1% of 79.9?

A) 10 B) 12 C) 14 D) 16

26. When approximating a division like 100 / 3.1, what is a good strategy?

A) Divide 100 by 3 B) Divide 100 by 4 C) Divide 100 by 3.1 exactly D) Divide 100 by 3.2

27. Approximate the value of 49.95% of 600

A) 250 B) 270 C) 290 D) 300

28. Which of the following is NOT a typical approximation for 2/3?

A) 0.67 B) 66.7% C) 0.66 D) 20/30

29. What is the approximate value of 7/8 of 240?

A) 180 B) 195 C) 210 D) 225

30. Approximate the value of 1000 / 24.9

A) 40 B) 50 C) 60 D) 70

31. Consider the expression: 19.87 * 20.05 + 30.12 * 5.98. What is the approximate result?

A) 500 B) 550 C) 600 D) 650

32. What is the most common fractional approximation for 0.125?

A) 1/7 B) 1/8 C) 1/9 D) 1/10

33. Approximate the value of 89.9% of 200

A) 160 B) 170 C) 180 D) 200

34. When approximating a subtraction like 502 - 198, what is an effective strategy?

A) Subtract 500 - 100 B) Subtract 500 - 200 C) Subtract 502 - 200 D) Subtract 500 - 198

35. What is the approximate value of 1003 / 9.98?

A) 100 B) 110 C) 120 D) 130

36. Approximate the value of √145

A) 10 B) 11 C) 12 D) 13

37. Which approximation is valid for 1/11?

A) 0.09 B) 0.0909 C) 0.1 D) 0.11

38. Consider the expression: 24.8% of 50.1 + 75.2% of 100.1. What is the approximate result?

A) 80 B) 90 C) 100 D) 110

39. What is the approximate value of 99.9% of 1000?

A) 990 B) 999 C) 1000 D) 1001

40. Approximate the value of 69.9 * 7.1

A) 420 B) 490 C) 560 D) 630

41. Which of the following is the best approximation for 1/12?

A) 0.08 B) 0.0833 C) 0.1 D) 0.12

42. Approximate the value of 5001 / 4.99

A) 1000 B) 1100 C) 1200 D) 1300

43. What is the approximate value of (3/4) * 120?

A) 80 B) 90 C) 100 D) 110

44. Consider the expression: 40.1% of 200.1 - 19.9% of 100.2. What is the approximate result?

A) 50 B) 60 C) 70 D) 80

45. Approximate the value of √225

A) 13 B) 14 C) 15 D) 16

46. What is the approximate value of 2/9 of 99?

A) 11 B) 18 C) 22 D) 24

47. Which approximation strategy is most suitable for 4987 + 5012 + 1003?

A) Add the exact numbers B) Round to the nearest thousand and add C) Round to the nearest hundred and add D) Add the first two numbers and approximate the third

48. Approximate the value of 1.5 * 1.5 * 1.5

A) 2.25 B) 3.0 C) 3.375 D) 4.0

49. What is the approximate value of 33.3% of 900?

A) 200 B) 250 C) 300 D) 350

50. Consider the expression: 75.1% of 40.2 - 24.9% of 80.1. What is the approximate result?

A) 10 B) 15 C) 20 D) 25

Analytical problem solving and approximation techniques - Online Test

Test Results