Set No -10: Mathematical Reasoning MCQ’S 

1. Complete the series: 4, 20, 52, 116, 228, ?
   A) 424
   B) 426
   C) 428
   D) 430
2. 26 : 17576 :: 28 : ?
   A) 21952
   B) 21952
   C) 614656
   D) 105413504
3. Find the missing number: 2, 10, 30, 68, 130, ?
   A) 222
   B) 224
   C) 226
   D) 228
4. At compound interest, a sum becomes 1.21 times in 2 years. In how many years will it become 1.771561 times?
   A) 4
   B) 5
   C) 6
   Compound interest problem: 1.21 = (1+r)^2 → r=10%. 1.771561 = 1.1^6 → 6 years
   D) 7
5. A cyclist covers a distance at 15 km/h uphill and 25 km/h downhill. Average speed for equal distance?
   A) 18.75 km/h
   B) 19 km/h
   C) 20 km/h
   D) 21 km/h
6. Complete the series: 3, 11, 35, 107, 323, ?
   A) 971
   B) 969
   C) 973
   D) 967
7. 29 : 24389 :: 31 : ?
   A) 29791
   B) 29791
   C) 923521
   D) 28629151
8. If 56% of a number is 336, what is 95% of that number?
   A) 560
   B) 570
   C) 580
   D) 590
9. Find the odd one out: 29791, 50625, 54872, 64000, 91125
   A) 50625
   B) 54872
   C) 64000
   D) 91125
10. A, B, C finish a job in 10, 15, 20 days. They work together; A leaves after 4 days, B after 6 days. In how many days is the job finished?
    A) 9
    B) 10
    C) 11
    D) 12
11. 19 : 47045881 :: 23 : ?
    A) 94143178827
    B) 148035889
    C) 34012224
    D) 6436343
12. Present age ratio of A:B:C is 5:4:3. After 10 years, A will be twice C. How old is B now?
    A) 20
    B) 24
    C) 28
    D) 32
13. Complete the series: 6, 24, 80, 240, 704, ?
    A) 2048
    B) 2046
    C) 2050
    D) 2052
14. What replaces the ? : 3→27, 4→256, 5→3125, 6→46656, 7→?
    A) 823543
    B) 279936
    C) 117649
    D) 100000
15. 15625 : 25 :: 46656 : ?
    A) 36
    B) 18
    C) 24
    D) 30
16. Tank is 2/3 full. Pipe A fills 1/6 in one hour, B empties 1/9 in one hour. How long to make it full?
    A) 4 hours
    B) 5 hours
    C) 6 hours
    D) 7 hours
17. Find the missing number: 10, 26, 50, 82, 130, ?
    A) 194
    B) 196
    C) 198
    D) 200
18. A clock loses 15 seconds every 10 minutes. Set right at 7 AM, what time does it show at 7 PM same day?
    A) 6:37 PM
    B) 6:45 PM
    C) 6:52 PM
    D) 6:55 PM
19. 289 : 17 :: 529 : ?
    A) 23
    B) 21
    C) 25
    D) 27
20. In an 11×11×11 painted cube, how many small cubes have no paint?
    A) 729
    B) 1000
    C) 1331
    D) 1728

Answers (Set 11)

1. A) 424
2. C) 614656
3. A) 222
4. C) 6
5. A) 18.75 km/h
6. A) 971
7. C) 923521
8. B) 570
9. B) 54872
10. C) 11
11. A) 94143178827
12. A) 20
13. A) 2048
14. A) 823543
15. A) 36
16. B) 5 hours
17. A) 194
18. A) 6:37 PM
19. A) 23
20. A) 729