Quantitative Aptitude - Arithmetic Ability Questions

Q:

The area of a circle is 616 sq.m. Find its diameter.

A) 7 m B) 14 m
C) 28 m D) 56 m
 
Answer & Explanation Answer: C) 28 m

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

The LCM of 56, 84 and 112 is

A) 210 B) 336
C) 420 D) 168
 
Answer & Explanation Answer: B) 336

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

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Q:

If u : v = v : w, then what is the value of u4 : v4?

A) u2 : wv B) u2 : w2
C) u2 v : w3 D) u : w
 
Answer & Explanation Answer: B) u2 : w2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

ABCD is a kite where m∠A is 90° and m∠C is 60°. If length of AB is 6 cm, what is the length of diagonal AC?

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

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If a and b are the roots of the equation Px2  Qx + R = 0, then what is the value of (1/a2) + (1/b2) + (a/b) + (b/a)?

A) Q2-2P2R+PPR2 B) Q2-2PRR+PPR2
C) Q2-2R2P+RP2R2 D) Q2-2PR2R+2PP2R2
 
Answer & Explanation Answer: B) Q2-2PRR+PPR2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A sum of money becomes 77/50 of itself in 18/5 years when invested at simple interest. What is the rate (in percentage) of interest per annum?

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

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

A right circular solid cylinder has radius of base 7 cm and height is 28 cm. It is melted to form a cuboid such that the ratio of its side is 2 : 3 : 6. What is the total surface area (in cm2) cuboid?

A) 215633 B) 215693
C) 214833 D) 204833
 
Answer & Explanation Answer: B) 215693

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

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Q:

If 2x2+2y2=4a the find the value of 2ax2-a+2ay2-a

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

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