Set No -09: Mathematical Reasoning MCQ’S 

1. Complete the series: 3, 13, 37, 87, 183, ?
   A) 367
   B) 369
   C) 371
   D) 373
2. 21 : 9261 :: 25 : ?
   A) 15625
   B) 24414
   C) 390625
   D) 9765625
3. Find the missing number: 7, 15, 31, 63, 127, ?
   A) 255
   B) 254
   C) 256
   D) 257
4. A sum of money becomes 4 times in 8 years at simple interest. In how many years will it become 13 times?
   A) 20
   B) 24
   C) 28
   D) 32
5. A man goes uphill at 3 km/h and downhill at 9 km/h on the same path. What is his average speed for the entire journey?
   A) 4.5 km/h
   B) 5 km/h
   C) 6 km/h
   D) 7 km/h
6. Complete the series: 1, 5, 19, 65, 211, ?
   A) 681
   B) 683
   C) 685
   D) 687
7. 22 : 10648 :: 24 : ?
   A) 13824
   B) 20736
   C) 331776
   D) 110592
8. If 24% of a number is 144, what is 135% of that number?
   A) 675
   B) 720
   C) 810
   D) 900
9. Find the odd one out: 9261, 14641, 24389, 28561, 38416
   A) 24389
   B) 14641
   C) 28561
   D) 38416
10. A can do a job in 18 days, B in 24 days. They work together for 8 days, then A leaves. How many more days will B take to finish?
    A) 6
    B) 7
    C) 8
    D) 9
11. 11 : 1771561 :: 13 : ?
    A) 4826809
    B) 62748517
    C) 30233088
    D) 815730721
12. The ratio of ages of father and son today is 11:4. After 12 years it will be 13:7. How old is the father now?
    A) 44
    B) 48
    C) 52
    D) 55
13. Complete the series: 5, 12, 26, 54, 110, ?
    A) 222
    B) 224
    C) 226
    D) 228
14. What replaces the ? : 4→1024, 5→3125, 6→7776, 7→16807, 8→?
    A) 32768
    B) 59049
    C) 65536
    D) 100000
15. 4096 : 16 :: 15625 : ?
    A) 25
    B) 20
    C) 30
    D) 35
16. Inlet pipe fills in 15 hours, outlet empties in 25 hours. If the tank is full and both are opened, when will it be empty?
    A) 35 hours
    B) 37.5 hours
    C) 40 hours
    D) 42.5 hours
17. Find the missing number: 16, 54, 128, 250, 432, ?
    A) 686
    B) 688
    C) 690
    D) 692
18. A watch gains 12 seconds every 5 minutes. From 10 AM to 4 PM same day, how much will it gain?
    A) 7 min 12 sec
    B) 7 min 24 sec
    C) 7 min 36 sec
    D) 8 min
19. 625 : 25 :: 2401 : ?
    A) 49
    B) 56
    C) 63
    D) 70
20. In a 12×12×12 painted cube, how many small cubes have exactly 1 face painted?
    A) 864
    B) 726
    C) 600
    D) 512

Answers (Set 10)

1. A) 367
2. C) 390625
3. A) 255
4. B) 24
5. A) 4.5 km/h
6. A) 681
7. B) 20736
8. C) 810
9. A) 24389
10. C) 8
11. A) 4826809
12. A) 44
13. A) 222
14. C) 65536
15. A) 25
16. B) 37.5 hours
17. A) 686
18. B) 7 min 24 sec
19. A) 49
20. B) 726