Current Affairs

# Missing Number Problems

Direction: What should come in place of the question mark (?) in the following number series?
1. 46, ?, 294, 1184, 5930
1. 86
2. 92
3. 102
4. 96
5. None of these

2. 1728, 6912, ?, 9216, 3072
1. 2324
2. 2214
3. 2304
4. 2136
5. None

3. 550 4646 8021 ? 21962
1. 10360
2. 12460
3. 11250
4. 10765
5.None

4. 152 ? 878 1241 1604
1. 485
2. 515
3. 525
4. 505
5. None of these

5. 47 ? 182.5 642.25 2894.625
1. 68
2. 58
3. 50
4. 72
5. None

6. 13224 114 × 56 = ? + 350
1. 6226
2. 6236
3. 6012
4. 6146
5. None

7. √7396+?= √24336
1. 80
2. 72
3. 70
4. 76
5. None

8. 42% of 1860 + 450.40 = 850 + ?
1. 381.60
2. 368.60
3. 368.45
4. 361.25
5. None

9. 65 × 472 = 13.5 × 760 + ?
1. 20320
2. 20420
3. 21210
4. 24240
5. None

10. 86 × 72 + 542.45 + ? = (870)2
1. 750165.55
2. 720250.40
3. 756040.25
4. 732560.25
5. None of these

11. (86)2 + (56)2 + 672 = ? – 384
1. 11258
2. 11588
3. 11488
4. 11450
5. None of these

12. 1587.4 × 12.5 – 724 × 12 = ?
1. 12145.25
2. 11154.50
3. 12012.45
4. 12380.40
5. None of these

13. 15.2 × 13.2 × 9.2 = ?
1. 1665.848
2. 1745.925
3. 1880.725
4. 1845.888
5. None of these

14. (864)2 – (725)2 = ? + 612
1. 220259
2. 202429
3. 192920
4. 210249
5. None of these

15. 84215 + 614251 = ? + 361421
1. 337045
2. 346085
3. 353545
4. 343400
5. None of these

16. 68% of 865 – 42% of 812 = ?
1. 272.26
2. 247.16
3. 274.61
4. 245.48
5. None of these

17. 3 √46656=?
1. 46
2. 26
3. 38
4. 36
5. None of these

18. 12×19+56 =? 14X17+63
1.281/301
2.221/301
3.224/301
4.284/301
5. None of these

19. 845 + 725 ÷ 25 × 32 = ?
1. 1753
2. 1593
3. 1672
4. 1773
5. None of these

20. 41 /2 X 91 /3 + 61 /2 X 42 /3= ?
1.681 /2
2. 701 /3
3. 721 /3
4. 731 /3
5. None of these

21. What is the C.I. accrued on an amount of Rs 15000/- at the rate of 12% p.a. at the end of 3 years?
1. Rs. 5838.29
2. Rs. 6172.82
3. Rs 6245.28
4. Rs. 6073.92
5. None of these

22. If 36% of a number x is 48% of another number y, what is the ratio of x to y?
1. 5 : 3
2. 3 : 4
3. 4 : 3
4. 5 : 6
5. None of these

23. In how many ways can we arrange letters of the word `FORMULA`?
1. 10080
2. 5040
3. 2520
4. 20160
5. None of these

24.At what % rate per annum will a sum of money double itself in 8 years?
1. 10%
2. 9%
3. 16%
4. 12.5%
5. None of these

25. A 100 m long train is running at 96 kmph. In how much time will it cross an electric pole?
1. 6 seconds
2. 4 seconds
3. seconds
4. seconds
5. None of these

26. A and B together can dig a trench in 12 days. If A alone can dig it in 20 days, in how many days can B alone dig it?
1. 24
2. 30
3. 32
4. 18
5. None of these