## Tuesday, 21 August 2018

### Daily Numerical Ability Quiz : 22nd August 2018

Q1. The diameter of the driving wheel of a bus is 280 cm. How many revolutions per minute must the wheel make in order to keep a speed of 66 kmph?
(a) 150
(b) 180
(c) 145
(d) 125
(e) 120

Q2. A cord is in the form of a square enclosing an area of 121 cm2. If the same cord is bent into a circle, then find the area of that circle.
(a)140 cm2
(b)178 cm2
(c)168 cm2
(d)152 cm2
(e)154 cm2

Q3. The batting avg. for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48. What would be his highest score?
(a)174
(b)176
(c)180
(d)185
(e)170

Q4. An investor earns 3% returns on one-fourth of his capital, 5% on two-thirds and 11% on the remainder. What is the average rate of return he earns on his total capital?
(a)4%
(b)5%
(c)6%
(d)5.5%
(e)8.5%

Q5. A train travelling at the speed of 50 km/h leaves from a station. Another train travelling at speed of 60 km/h leaves the same station after 7 h in the same direction. They will meet after what distance?
(a) 1800 km
(b) 2100 km
(c) 2400 km
(d) 2700 km
(e) 3000 km

Solutions (1-5):

Directions (6-10): what should come in place of question mark (?) in the following number series?
Q6. 36,     20,      ?,      8,     6,      5
(a) 10
(b) 12
(c) 14
(d) 16
(e) 18

Q7. 668,     656,      632,     584,     ?,     296
(a) 392
(b) 438
(c) 488
(d) 536
(e) 436

Q8. 1,    121,     441,     961,    1681,      ?
(a) 2701
(b) 2511
(c) 2611
(d) 2801
(e) 2601

Q9. 31,     35,      44,       60,     85,      ?
(a) 121
(b) 111
(c) 109
(d) 77
(e) 125

Q10. 748,      737,     715,     682,     638,     ?
(a) 594
(b) 572
(c) 581
(d) 563
(e) 583

Solutions (6-10):