Q1. How many numbers from 1 to 300 are divisible by 8 or 4?
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Answer: A. 75
⌊300/8⌋ + ⌊300/4⌋ − ⌊300/8⌋ = 37 + 75 − 37 = 75.
Number Ranking Questions for SSC CGL (with Answers)
43 Number Ranking MCQs from the General Intelligence & Reasoning section, with answers and short explanations.
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Q2. How many numbers from 1 to 100 are divisible by both 9 and 3?
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Answer: D. 11
LCM(9, 3) = 9; ⌊100/9⌋ = 11.
Q3. If the digits of the number 38916 are arranged in ascending order, what is the sum of the 1st and 2nd digits from the left?
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Answer: B. 4
Ascending: 13689. 1 + 3 = 4.
Q4. If the digits of the number 35246 are arranged in ascending order, what is the sum of the 2nd and 5th digits from the left?
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Answer: D. 9
Ascending: 23456. 3 + 6 = 9.
Q5. How many numbers from 1 to 500 are divisible by 2 or 5?
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Answer: A. 300
⌊500/2⌋ + ⌊500/5⌋ − ⌊500/10⌋ = 250 + 100 − 50 = 300.
Q6. How many numbers from 1 to 550 are divisible by both 8 and 2?
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Answer: D. 68
LCM(8, 2) = 8; ⌊550/8⌋ = 68.
Q7. If the digits of the number 64519 are arranged in ascending order, what is the sum of the 1st and 5th digits from the left?
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Answer: D. 10
Ascending: 14569. 1 + 9 = 10.
Q8. If the digits of the number 45971 are arranged in ascending order, what is the sum of the 4th and 5th digits from the left?
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Answer: B. 16
Ascending: 14579. 7 + 9 = 16.
Q9. How many numbers from 1 to 950 are divisible by both 9 and 2?
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Answer: C. 52
LCM(9, 2) = 18; ⌊950/18⌋ = 52.
Q10. How many numbers from 1 to 500 are divisible by both 8 and 6?
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Answer: D. 20
LCM(8, 6) = 24; ⌊500/24⌋ = 20.
Q11. If the digits of the number 46859 are arranged in ascending order, what is the sum of the 2nd and 4th digits from the left?
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Answer: D. 13
Ascending: 45689. 5 + 8 = 13.
Q12. If the digits of the number 98213 are arranged in ascending order, what is the sum of the 1st and 2nd digits from the left?
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Answer: B. 3
Ascending: 12389. 1 + 2 = 3.
Q13. How many numbers from 1 to 650 are divisible by both 9 and 2?
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Answer: B. 36
LCM(9, 2) = 18; ⌊650/18⌋ = 36.
Q14. How many numbers from 1 to 650 are divisible by 4 or 6?
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Answer: C. 216
⌊650/4⌋ + ⌊650/6⌋ − ⌊650/12⌋ = 162 + 108 − 54 = 216.
Q15. If the digits of the number 14328 are arranged in ascending order, what is the sum of the 4th and 5th digits from the left?
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Answer: A. 12
Ascending: 12348. 4 + 8 = 12.
Q16. If the digits of the number 72541 are arranged in ascending order, what is the sum of the 1st and 2nd digits from the left?
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Answer: B. 3
Ascending: 12457. 1 + 2 = 3.
Q17. How many numbers from 1 to 950 are divisible by 3 or 5?
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Answer: C. 443
⌊950/3⌋ + ⌊950/5⌋ − ⌊950/15⌋ = 316 + 190 − 63 = 443.
Q18. How many numbers from 1 to 1000 are divisible by 6 or 5?
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Answer: B. 333
⌊1000/6⌋ + ⌊1000/5⌋ − ⌊1000/30⌋ = 166 + 200 − 33 = 333.
Q19. If the digits of the number 41965 are arranged in ascending order, what is the sum of the 1st and 3rd digits from the left?
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Answer: A. 6
Ascending: 14569. 1 + 5 = 6.
Q20. If the digits of the number 16429 are arranged in ascending order, what is the sum of the 1st and 4th digits from the left?
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Answer: C. 7
Ascending: 12469. 1 + 6 = 7.
Q21. How many numbers from 1 to 150 are divisible by 4 or 5?
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Answer: C. 60
⌊150/4⌋ + ⌊150/5⌋ − ⌊150/20⌋ = 37 + 30 − 7 = 60.
Q22. How many numbers from 1 to 350 are divisible by 8 or 5?
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Answer: B. 105
⌊350/8⌋ + ⌊350/5⌋ − ⌊350/40⌋ = 43 + 70 − 8 = 105.
Q23. If the digits of the number 56389 are arranged in ascending order, what is the sum of the 1st and 3rd digits from the left?
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Answer: A. 9
Ascending: 35689. 3 + 6 = 9.
Q24. If the digits of the number 63814 are arranged in ascending order, what is the sum of the 1st and 3rd digits from the left?
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Answer: A. 5
Ascending: 13468. 1 + 4 = 5.
Q25. How many numbers from 1 to 250 are divisible by both 9 and 2?
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Answer: B. 13
LCM(9, 2) = 18; ⌊250/18⌋ = 13.
Q26. How many numbers from 1 to 400 are divisible by 4 or 3?
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Answer: C. 200
⌊400/4⌋ + ⌊400/3⌋ − ⌊400/12⌋ = 100 + 133 − 33 = 200.
Q27. If the digits of the number 85431 are arranged in ascending order, what is the sum of the 1st and 3rd digits from the left?
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Answer: C. 5
Ascending: 13458. 1 + 4 = 5.
Q28. If the digits of the number 43176 are arranged in ascending order, what is the sum of the 1st and 5th digits from the left?
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Answer: B. 8
Ascending: 13467. 1 + 7 = 8.
Q29. How many numbers from 1 to 750 are divisible by 3 or 7?
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Answer: B. 322
⌊750/3⌋ + ⌊750/7⌋ − ⌊750/21⌋ = 250 + 107 − 35 = 322.
Q30. How many numbers from 1 to 650 are divisible by both 3 and 8?
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Answer: B. 27
LCM(3, 8) = 24; ⌊650/24⌋ = 27.
Q31. How many numbers from 1 to 200 are divisible by both 8 and 9?
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Answer: D. 2
LCM(8, 9) = 72; ⌊200/72⌋ = 2.
Q32. How many numbers from 1 to 700 are divisible by 5 or 6?
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Answer: D. 233
⌊700/5⌋ + ⌊700/6⌋ − ⌊700/30⌋ = 140 + 116 − 23 = 233.
Q33. If the digits of the number 18623 are arranged in ascending order, what is the sum of the 3rd and 4th digits from the left?
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Answer: A. 9
Ascending: 12368. 3 + 6 = 9.
Q34. How many numbers from 1 to 700 are divisible by 4 or 7?
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Answer: C. 250
⌊700/4⌋ + ⌊700/7⌋ − ⌊700/28⌋ = 175 + 100 − 25 = 250.
Q35. How many numbers from 1 to 750 are divisible by 8 or 2?
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Answer: D. 375
⌊750/8⌋ + ⌊750/2⌋ − ⌊750/8⌋ = 93 + 375 − 93 = 375.
Q36. How many numbers from 1 to 200 are divisible by both 7 and 8?
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Answer: C. 3
LCM(7, 8) = 56; ⌊200/56⌋ = 3.
Q37. How many numbers from 1 to 450 are divisible by 3 or 6?
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Answer: D. 150
⌊450/3⌋ + ⌊450/6⌋ − ⌊450/6⌋ = 150 + 75 − 75 = 150.
Q38. How many numbers from 1 to 400 are divisible by 9 or 8?
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Answer: C. 89
⌊400/9⌋ + ⌊400/8⌋ − ⌊400/72⌋ = 44 + 50 − 5 = 89.
Q39. How many numbers from 1 to 950 are divisible by 4 or 3?
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Answer: D. 474
⌊950/4⌋ + ⌊950/3⌋ − ⌊950/12⌋ = 237 + 316 − 79 = 474.
Q40. How many numbers from 1 to 350 are divisible by both 2 and 7?
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Answer: B. 25
LCM(2, 7) = 14; ⌊350/14⌋ = 25.
Q41. How many numbers from 1 to 850 are divisible by both 7 and 5?
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Answer: A. 24
LCM(7, 5) = 35; ⌊850/35⌋ = 24.
Q42. How many numbers from 1 to 500 are divisible by both 5 and 8?
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Answer: B. 12
LCM(5, 8) = 40; ⌊500/40⌋ = 12.
Q43. How many numbers from 1 to 100 are divisible by 8 or 7?
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Answer: B. 25
⌊100/8⌋ + ⌊100/7⌋ − ⌊100/56⌋ = 12 + 14 − 1 = 25.