Quantitative Aptitude - Arithmetic Ability Questions

Q:

How many times the keys of a typewriter have to be pressed in order to write numbers from 121 to 1346?

A) 3675 B) 4018
C) 4021 D) 4025
 
Answer & Explanation Answer: D) 4025

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A person driving at the speed of 45 kmph reaches office 1 minute early while she reaches 3 minutes late if driving 40 kmoh. What is the distance (in Km) that she is covering?

 

A) 24 B) 28
C) 32 D) 30
 
Answer & Explanation Answer: D) 30

Explanation:

Difference in time taken = 4min = 1/15 hr

Let the total distance covered by person be D km.

Then,

D/40 – D/45 = 1/15

⇒ 5D = 120

⇒ D = 24 km

∴ Distance covered by person is 24 km.

 

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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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

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Q:

If x+1x=5, then the value of 6xx2+x+1 is,

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

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Q:

If A and B together do a job in 7.5 days and if A could do the job in 10 days if he worked alone. How many days would B take to do the job if he worked alone?

A) 30 B) 40
C) 25 D) 50
 
Answer & Explanation Answer: A) 30

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A shopkeeper purchased 10 boxes of pencils containing 10 pencils each at Rs. 100 per box and sold each pencil at a profit 12%. What is the total sale price?

A) Rs.1100 B) Rs.1120
C) Rs.1200 D) Rs.1210
 
Answer & Explanation Answer: B) Rs.1120

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Filed Under: Profit and Loss
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Q:

If the radius of the cylinder is increased by 25%, then by how much percent the height must be reduced, so that the volume of the cylinder remains same?

A) 36 B) 56
C) 64 D) 46
 
Answer & Explanation Answer: A) 36

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Filed Under: Volume and Surface Area
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Q:

The area of a square is 100 sq cm, find length of its diagonal?

A) 10√2 cm B) 10 cm
C) 20 cm D) 20√2 cm
 
Answer & Explanation Answer: A) 10√2 cm

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Filed Under: Area
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