1. Complete the series: 1, 3, 7, 15, 31, ?
A) 47
B) 63
C) 55
D) 64
2. 13 : 169 :: 17 : ?
A) 221
B) 289
C) 255
D) 196
3. Find the missing number: 8, 16, 32, 64, ?, 256
A) 128
B) 192
C) 96
D) 160
4. If tomorrow is Sunday, what day was it 4 days ago?
A) Tuesday
B) Wednesday
C) Thursday
D) Friday
5. A vendor buys 15 apples for Rs. 150. How much will 20 apples cost?
A) Rs. 180
B) Rs. 200
C) Rs. 220
D) Rs. 250
6. Complete the series: 4, 9, 16, 25, 36, ?
A) 49
B) 64
C) 81
D) 100
7. 5 : 125 :: 9 : ?
A) 729
B) 512
C) 343
D) 243
8. If 15% of a number is 30, what is 40% of that number?
A) 60
B) 80
C) 100
D) 120
9. Find the odd one out: 16, 25, 36, 49, 64
A) 16
B) 25
C) 36
D) 64
10. A bus covers 420 km in 7 hours. What is its speed in km/h?
A) 50
B) 60
C) 70
D) 80
11. 8 : 64 :: 12 : ?
A) 144
B) 1728
C) 96
D) 576
12. If C is 3 times as old as D, and in 8 years C will be twice as old as D, how old is D now?
A) 8
B) 12
C) 16
D) 20
13. Complete the series: 200, 180, 147, 109, 66, ?
A) 18
B) 20
C) 22
D) 24
14. What number should replace the ? : 1 = 2, 2 = 6, 3 = 12, 4 = 20, 5 = ?
A) 30
B) 35
C) 40
D) 45
15. 36 : 6 :: 100 : ?
A) 10
B) 15
C) 20
D) 25
16. Three taps fill a tank in 12, 15, and 20 minutes. How long to fill together?
A) 4 minutes
B) 5 minutes
C) 6 minutes
D) 7 minutes
17. Find the missing number: 3, 6, 12, 24, ?, 96
A) 36
B) 48
C) 60
D) 72
18. If today is Tuesday, what day will it be after 25 days?
A) Sunday
B) Monday
C) Tuesday
D) Wednesday
19. 7 : 49 :: 14 : ?
A) 98
B) 196
C) 168
D) 84
20. A painted cube is cut into 64 smaller cubes (4×4×4). How many small cubes have exactly 3 faces painted?
A) 6
B) 8
C) 12
D) 24
Answers
1. **B) 63**
2. **B) 289**
3. **A) 128**
4. **B) Wednesday**
5. **B) Rs. 200**
6. **A) 49**
7. **A) 729**
8. **B) 80**
9. **A) 16**
10. **B) 60**
11. **A) 144**
12. **A) 8**
13. **A) 18**
14. **A) 30**
15. **A) 10**
16. **B) 5 minutes**
17. **B) 48**
18. **C) Tuesday**
19. **B) 196**
20. **B) 8**