Quantitative Aptitude - Arithmetic Ability Questions

Q:

What least number must be added to 1039, so that the sum obtained is completely divisible by 29?

A) 4 B) 5
C) 8 D) 6
 
Answer & Explanation Answer: B) 5

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Filed Under: Problems on Numbers

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Q:

If in a two digit number, the digit at unit place is z and the digit at tens place is 8, then the number is

A) 80z + z B) 80 + z
C) 8z + 8 D) 80z + 8
 
Answer & Explanation Answer: B) 80 + z

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

4 2915
Q:

Two equal arcs of two circles subtend angle of  60° and 75° at the centre. The ratio of the radii of the two circles is

A) 5/4 B) 3/2
C) 4/5 D) 2/3
 
Answer & Explanation Answer: A) 5/4

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Q:

A train leaves Delhi at 10 a.m. and reaches Jaipur at 4 p.m. on same day. Another train leaves Jaipur at 12 p.m. and reaches Delhi at 5 p.m. on same day. What is the time of day (approximately) when the two trains will meet?

A) 1:42 p.m. B) 1:27 p.m.
C) 2:04 p.m. D) 1:49 p.m.
 
Answer & Explanation Answer: D) 1:49 p.m.

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Filed Under: Time and Distance
Exam Prep: Bank Exams

1 2911
Q:

Excluding stoppages, the speed of a bus is 80 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?

A) 12 B) 15
C) 18 D) 20
 
Answer & Explanation Answer: B) 15

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

Daily local train ticket costs Rs 110 and Monthly Pass costs Rs 2524.5. If Ram buys the monthly pass and travel for 27 days in a month than he will save_____.

A) 14 percent B) 15 percent
C) 12 percent D) 25 percent
 
Answer & Explanation Answer: B) 15 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

A man has 3 sons, 2 daughters and a wife. They divided a sum of Rs 19000 among themselves such that each daughter got 1.5 times the amount received by each son and his wife received 600 less than each son. What is the total amount (in Rs) received by the 3 sons together?

A) 2800 B) 3600
C) 5600 D) 8400
 
Answer & Explanation Answer: D) 8400

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Filed Under: Partnership
Exam Prep: Bank Exams

1 2909
Q:

What is the percentage decrease in the area of a triangle if its each side is halved?

A) 75% B) 50%
C) 25% D) No change
 
Answer & Explanation Answer: A) 75%

Explanation:
Area of triangle of = ½*a*b* sinθ = A
Where a and b are sides of the triangle and θ be the angle between them
After decreasing each side
New area = ½*(a/2)*(b/2)*sinθ = ¼ A
%decrease = [(A–¼ A)/A ]*100 = 75%
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

1 2908