# Aptitude Papers: Numerical Aptitude Questions (Part 1 of 12)

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1. Let R = qs-4. When s = 8, R = 16. When s = 10, R is equal to

1. 11

2. 14

3. 20

4. 21

2. If 272/3 × 81-½ = 3x, the value of x is

1. -1

2. 0

3. 1

4. 2

3. 0.333 × 0.444 is equal to

1. 0.148148148

2. 0.777

3. 0.121212

4. 1.333

4. A car covers a distance of 715 km at a constant speed. If the speed of the car would have been 10 km/hr more, then it would have taken 2 hours less to cover the same distance. What is the original speed of the car?

1. 45 km/hr

2. 50 km/hr

3. 55 km/hr

4. 65 km/hr

5. On converting the following base-2 numeral in base ten, 1101101, we get

1. 96

2. 104

3. 108

4. 109

6. The number of prime factors of 610 × 717 × 5527

1. 54

2. 64

3. 81

4. 91

7. A train crosses a pole in 15 seconds, while it crosses 100 meter long platform in 25 seconds. The length of the train is-

1. 125m

2. 135 m

3. 159 m

4. 175 m

8. Two taps A and B can fill a tank in 12 minutes and 15 minutes respectively. If both the taps are opened simultaneously and the tap A is closed after 3 minutes, then how much more time will it take to fill the tank by tap B?

1. 7 min & 15 sec

2. 7 min & 45 sec

3. 8 min & 5 sec

4. 8 min & 15 sec
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