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Patni Placement Papers with Solution Page 11

(#M40008204) PATNI QUESTION aptitude Keep an EYE

A train after traveling 50 kms from A meets with an accident and proceeds at 4/5th of the former speed and reaches B, 45 min late. Had the accident happened 20 kms further on, it would have arrived 12 mins sooner. Find the original speed and the distance.

Asked In Patni (13 years ago)

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(#M40008203) PATNI QUESTION aptitude Keep an EYE

Conversation between two mathematicians:

First: I have three children. The product of their ages is 36. If you sum their ages, it is exactly same as my neighbor's door number on my left. The second mathematician verifies the door number and says that it is not sufficient. Then the first says "Ok one more clue is that my youngest is really the youngest". Immediately the second mathematician answers. Can you answer the question asked by the first mathematician? What are the children ages?

Asked In Patni (13 years ago)

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(#M40008202) PATNI QUESTION aptitude Keep an EYE

The ratio of the ages of Mona and Sona is 4:5. Twelve years hence, their ages will be in the ratio of 5:6. What will be Sona's age after 6 years?

a) 8 b) 10 c) 12 d) 14

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(#M40008201) PATNI QUESTION aptitude Keep an EYE

The average age of 12 students is 20 years. If the age of one more student is included, the average decreases by 1, what is the age of the new student?

a) 5 b) 7 c) 9 d) 11

Asked In Patni (13 years ago)

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(#M40008200) PATNI QUESTION aptitude Keep an EYE

Excluding stoppages, the speed of the bus is 54 kms /hr and with stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?

a) 9 b) 10 c) 12 d) 20

Asked In Patni (13 years ago)

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(#M40008199) PATNI QUESTION aptitude Keep an EYE

Walking at 6/7th of his usual speed, a man is 25 mins too late. His usual time is

a) 7.5 hrs b) 1.5 hrs c) 2.5 hrs d) 1.67 hrs

Asked In Patni (13 years ago)

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(#M40008198) PATNI QUESTION aptitude Keep an EYE

If A is 25 kms east of B, which is 12 kms south of C, which is 9 kms west of D. A person starts walking at 3 kms/hr from A towards D. Calculate the distance of the point from A where he is going to meet a person from D walking towards A at 2 kms / hr.

a) 20 b) 12 c) 8 d) 20 sqrt (12*8)

Asked In Patni (13 years ago)

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(#M40008197) PATNI QUESTION aptitude Keep an EYE

When a stone is dropped from a building 200 m high, its speed is proportional to the time elapsed after dropping. The distance traveled is proportional to the square of the time elapsed. After 1 second the speed of the train was 10 m/sec and it was 190 m above the ground. When its speed is 25 m/sec, what would be its distance from the ground?

a) 140 m b) 137.5 m c) 125.75 m d) 142.5 m

Asked In Patni (13 years ago)

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(#M40008196) PATNI QUESTION aptitude Keep an EYE

A train traveling at 40 kms / hr while inside the tunnel meets another train of half its length traveling at 60 kms / hr and passes it completely in 4.5 seconds. Find the length of the tunnel if the first train passes completely through it in 4 minutes 37.5 seconds.

a) 2000 meters b) 3000 meters c) 4000 meters d) 5000 meters

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(#M40008195) PATNI QUESTION aptitude Keep an EYE

A man starts from B to K, another starts from K to B, at the same time. After passing each other they complete their journeys in 3.33 and 4.80 hours respectively. Find the speed of the second man if the speed of the first is 12 km/ hr

a) 12 kms/hr b) 10 kms/hr c) 14 kms/hr d) Data inadequate

Asked In Patni (13 years ago)

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