Q1.
Q2.
(a) 7.826
(b) 8.944
(c) 5.59
(d) 10.062
Q3.
Q4. If the arithmetic mean of two number is 5 and geometric mean is 4. Then the no. are –
(a) 4, 6
(b) 4, 7
(c) 3, 8
(d) 2, 8
Q5. A can do a piece of work in 40 days. He starts working, but having some other engagements he drops out after 5 days. Thereafter, B completes this work in 21 days. How many days would A & B take to complete this work working together?
(a) 16 days
(b) 15 days
(c) 17 days
(d) 11 days
Q6. A alone would take 8 h more to complete the job than if both A and B worked together. If B worked alone, he took 4 ½ hour more to complete the job than if A and B worked together. What time would they take if both A and B worked together?
(a) 8 hours
(b) 5 hours
(c) 2 hours
(d) 6 hours
Q7. Two pipes can fill a tank in 8 h and 12 h respectively whereas an escape pipe can empty it in 6 h. If the three pipes are opened at 1 pm, 2 pm and 3 pm respectively, at what time will the tank be filled ?
(a) 8 am
(b) 7 am
(c) 5 am
(d) 7.30 am
Q8. Construction of a road was entrusted to a civil engineer. He was to finish the work in 124 days for which he employed 120 workmen. Two-third of the work was completed in 64 days. How many workmen can be removed now without affecting the completion of the work on time ?
(a) 80
(b) 64
(c) 56
(d) 24
Q9. An express train travels 299 km between two cities. During the first 111 km of the trip, the train travelled through mountainous terrain. The train travelled 10 km/hr slower through mountainous terrain than through level terrain. If the total time to travel between two cities was 7 hour, what is this speed of the train on level terrain?
(a) 56 km/hr
(b) 55 km/hr
(c) 47 km/hr
(d) 88 km/hr
Q10. A train can travel 20% faster than a car. Both start from the point A at the same time and reach point B 75 km away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is
(a) 16 km/hr
(b) 56 km/hr
(c) 25 km/hr
(d) 60 km/hr
Solutions:
S1. Ans.(c)
Sol.
S2. Ans.(a)
Sol.
S3. Ans.(d)
Sol.
S4. Ans.(d)
Sol.
S7. Ans.(b)
Sol.
S8. Ans.(c)
Sol.
S9. Ans.(c)
Sol.
S10. Ans.(d)
Sol.