Quantitative Aptitude - Arithmetic Ability Questions

Q:

An hour-long test has 60 problems. If a student completes 30 problems in 25 minutes, then the required seconds he has taken on average for computing each of the remaining problems is

A) 70 seconds B) 50 seconds
C) 40 seconds D) 30 seconds
 
Answer & Explanation Answer: A) 70 seconds

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Praneet started his journey at 2:45:46 p.m. and reached the destination at 4:55:57 p.m. Anit started the journey 58 mins 40 secs after Praneet and reached his destination 50 mins 29 secs after him. How long did Anit take to complete his journey?

 

A) 2 hours 2 seconds B) 2 hours 2 minutes
C) 1 hour 59 minutes D) 2 hours 1 minute 12 seconds
 
Answer & Explanation Answer: D) 2 hours 1 minute 12 seconds

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Filed Under: Time and Distance
Exam Prep: Bank Exams , CAT

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Q:

At 5% simple interest per annum a certain sum yields a total amount of Rs. 2,790 at the end of 3 1/4 years. The sum invested was

A) Rs. 2350 B) Rs. 2400
C) Rs. 2600 D) Rs. 2550
 
Answer & Explanation Answer: B) Rs. 2400

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

Volume of a cube is 512 cubic cm, find its total surface area? (Take π = 22/7)

A) 768 sq cms B) 192 sq cms
C) 384 sq cms D) 576 sq cms
 
Answer & Explanation Answer: C) 384 sq cms

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

If tan(A/2) = x, then the value of x is

A) (1 - cosA)/sinA B) (1 + cosA)/sinA
C) √[(1 - cosA)/sinA] D) √[(1 + cosA)/sinA]
 
Answer & Explanation Answer: A) (1 - cosA)/sinA

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) Niece B) Nephew
C) Aunt D) Sister
 
Answer & Explanation Answer: B) Nephew

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

The sum for 2 years gives a compound interest of Rs 3225 at 15% rate. Then sum is

A) 10000 B) 20000
C) 15000 D) 32250
 
Answer & Explanation Answer: A) 10000

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

In the given questions, two equations numbered I and II are given. Solve both the equation and mark the appropriate answer.

I. x25x 24 = 0II. 2y2+ 19y + 35 = 0

A) x > y B) x>y
C) x < y D) x<y
 
Answer & Explanation Answer:

Explanation:

x^2–5x –24 = 0

(x-8) (x+3)

x = 8, -3

II. 2y^2+ 19y + 35 = 0

(2y+7) (y+7)y= -7, -5/2

So can’t be determined

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Filed Under: Simplification
Exam Prep: Bank Exams

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