Quantitative Aptitude - Arithmetic Ability Questions

Q:

If ab+ba=1, then the value of a3+b3 is

A) 1 B) 0
C) -1 D) 2
 
Answer & Explanation Answer: B) 0

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1991
Q:

In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and DE are 8 cm, 6 cm and 7.2 cm respectively, find length of BC?

A) 12.6 cm B) 9.3 cm
C) 8.1 cm D) 5.4 cm
 
Answer & Explanation Answer: A) 12.6 cm

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1991
Q:

Two cycles start from a house with a speed of 24kmph at interval of 15 min. With how much more speed in kmph the woman coming from the opposite direction towards the house has to travel to meet the cycles at an interval of 10 minutes?

A) 13 B) 11
C) 12 D) 14
 
Answer & Explanation Answer: C) 12

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Filed Under: Time and Distance
Exam Prep: Bank Exams

2 1991
Q:

The average weight of Somdev, Gurdeep and Ritu is 85 kg. If the average weight of Somdev and Gurdeep be 79 kg and that of Gurdeep and Ritu be 73 kg, then the weight of Gurdeep is

A) 78 B) 49
C) 72 D) 90
 
Answer & Explanation Answer: B) 49

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Filed Under: Average
Exam Prep: AIEEE , Bank Exams , CAT

2 1991
Q:

A thief is stopped by a policeman from a distance of 250 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 5 km/h and that of police man as 7 km/h, how far the thief would have run, before he is over ­taken?

A) 500 metres B) 750 metres
C) 375 metres D) 625 metres
 
Answer & Explanation Answer: D) 625 metres

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Filed Under: Time and Distance
Exam Prep: Bank Exams

3 1990
Q:

sec2Acosec2A is equal to

A) sec2A -­ cosec2A B) √[sec2A + cosec2A]
C) sec2A + cosec2A D) √[sec2A -­ cosec2A]
 
Answer & Explanation Answer: C) sec2A + cosec2A

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1990
Q:

What is the value of Cot 45°+ 1/3 Cosec 60°?

A) √3 + 2 B) (9 + 2√3)/9
C) √3 D) (2√2 + 3)/√6
 
Answer & Explanation Answer: B) (9 + 2√3)/9

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1990
Q:

The value of 2.33+0.0272.33-0.69+0.09

A) 2 B) 2.27
C) 2.33 D) 2.6
 
Answer & Explanation Answer: D) 2.6

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1990