Quantitative Aptitude - Arithmetic Ability Questions

Q:

Two numbers are in the ratio of 15 : 11. If their HCF is 13, then the greater number is?

A) 195 B) 125
C) 175 D) 125
 
Answer & Explanation Answer: A) 195

Explanation:
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Filed Under: HCF and LCM
Exam Prep: Bank Exams

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Q:

Each question contains Quantity I and Quantity II. Read the contents clearly and answer your questions accordingly.

Quantity I: if the length of a rectangle is increased by 20% while the breadth of the rectangle is decreased by 10% then find percentage change in area of the rectangle?

Quantity II: if the side of a triangle is increased by 30% while the height of a triangle is decreased by 20% then find the percentage change in area of the triangle?

A) Quantity I > Quantity II B) Quantity I ≥ Quantity II
C) Quantity I< Quantity II D) Quantity I < Quantity II
 
Answer & Explanation Answer: A) Quantity I > Quantity II

Explanation:

Quantity I= 20% - 10% - (20*10/100) % = +8%

Quantity II= 30% - 20% - (30*20/100)% = +4%

Hence Quantity I > Quantity II

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Filed Under: Percentage

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Q:

If x+y+z = 1, 1/x + 1/y + 1/z = 1 and xyz = -1, then x3+y3+z3 is equal to

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A sum of Rs. 1200 is lent to be paid back in 5 equal annual installments of Rs. 264 each. The rate of interest per annum is

A) 6% B) 8%
C) 2% D) 4%
 
Answer & Explanation Answer: C) 2%

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

What is the value of 361+3.61+0.0361 ?

A) 20.9 B) 22.11
C) 22.49 D) 21.09
 
Answer & Explanation Answer: D) 21.09

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams , CAT

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Q:

Arrange the fractions 34,512,1316,1629,38 in their ascending order of their magnitude?

A) 3/4 < 3/8 < 13/16 < 16/19 < 5/12 B) 3/8 < 5/12 < 16/29 < 3/4 < 13/16
C) 3/8 < 5/12 < 16/29 < 13/16 < 3/4 D) 3/8 < 5/12 < 13/16 < 16/29 < 3/4
 
Answer & Explanation Answer: B) 3/8 < 5/12 < 16/29 < 3/4 < 13/16

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

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Q:

ABC is right angled at B. If m∠A = 45°, then find the value of (coseC + 1/√3).

A) (3√2+1)/3 B) (2+√3)/2
C) 5/√3 D) (√6+1)/√3
 
Answer & Explanation Answer: D) (√6+1)/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The average value of property of Agil, Mugilan and Anithais Rs. 130cr. The Property of Agil is 20cr greater than the property value of Mugilan and Anitha property value is 50cr greater than the Agil property value. The value ofproperty of Anitha is

A) 120 cr B) 170 cr
C) 100 cr D) 150 cr
 
Answer & Explanation Answer: B) 170 cr

Explanation:
Property value of Mugilan x
130 × 3 = x + x + 20 + x + 20 + 50
390 = 3x + 90
3x = 300
X = 100
Anitha = 100 + 20 + 50 = 170
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Filed Under: Numbers
Exam Prep: Bank Exams

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