Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 3√2 + √18 + √50 = 15.55, then what is the value of √32 + √72?

A) 13.22 B) 10.83
C) 14.13 D) 16.54
 
Answer & Explanation Answer: C) 14.13

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Three clocks are designed to alarm in every hour, two hours and three hours respectively. If they all alrmed together three hours before, then after how many hours will they next alarm together?

A) 3 hours B) 6 hours
C) 2 hours D) 1 hour
 
Answer & Explanation Answer: A) 3 hours

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Filed Under: Clocks
Exam Prep: Bank Exams

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Q:

For which value of ‘g’ the linear graph of 6x + 12y +9 = 0 and 2x + gy + 3 =0 has infinite number of solutions?

A) 3 B) 4
C) 6 D) 9
 
Answer & Explanation Answer: B) 4

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Exam Prep: Bank Exams

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Q:

If 2+aa + 2+bb + 2+cc = 4, then the value of ab+bc+caabc is

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of sin ­7π/4c?

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

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Q:

Three solid spheres have their radii r1, r2 and r3. The spheres are melted to form a solid sphere of bigger radius. Then the radius of the new sphere is

A) r1+r2+r3 B) r12+r22+r3212
C) r13+r23+r3313 D) r14+r24+r3414
 
Answer & Explanation Answer: C) r13+r23+r3313

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

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Q:

A man starts walking at 6.30 a.m. and wants to cover a distance of 30km. His initial speed is 6 kmph and after covering three-fifth distance, he reduces his speed by 2 kmph. At what time will he complete his walk?

A) 11.00 am B) 12.30 pm
C) 11.30 pm D) 12.00 pm
 
Answer & Explanation Answer: B) 12.30 pm

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

Factors of 36 - 

A) 72 B) 108
C) 144 D) 18
 
Answer & Explanation Answer: D) 18

Explanation:

From the given options, 

72, 108, 144 are multiples of 36.

18 is the only factor of 36.

 

Factors of 36 are -  1, 2, 3, 4, 6, 9, 12, 18.

 

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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