STMicroelectronics: Numerical Aptitude Questions (Paper 8 of 12)
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A is twice as good a workman as B and together they finish a piece of work in 14 days. The number of days taken by A alone to finish the work, is

11

21

28

42

50
Answer: b


A and B can do a work in 10 days. B and C in 12 days while C and A in 15 days. How long would they take if all the three work together?

5days

4 days

7 days

8 days

10 days
Answer: d


A is twice as fast as B and B is thrice as fast as C is. The journey covered by C in 54 minutes will be covered by B in

18 min

27 min

38 min

9 min

10 min
Answer: a


In how many seconds a cyclist will pass a distance of 100 metres at the speed of 10 km/hr.

25 sec

36 sec

40 sec

42 sec

50 sec
Answer: b


At 3.40, the hour hand and the minute hand of a clock form an angle of

120o

125o

130o

135o

140o
Answer: c


How many times are the hands of a clock at right angles in a day?

22

24

44

48

50
Answer: c


Today is Tuesday. After 62 days it will be

Wednesday

Monday

Thursday

Sunday

Tuesday
Answer: b


The day on March of 5 of a year is the same day on what date of the same year?

5th August

5th October

5 November

5 December

None of these
Answer: c


A garden is 70 m long and 30 m wide. It is surrounded by a footpath 5 m wide outside. What is the area of the path?

2200 m2

1100 m2

550 m2

625 m2

700 m2
Answer: b


If the volume of a sphere is divided by its surface area, the result is 27 cm. The radius of the sphere is

81 cm

9 cm

54 cm

36 cm

40 cm
Answer: a
