Quantitative Aptitude - Arithmetic Ability Questions

Q:

If a + b + c = 27, then what is the value of (a  7)3 + (b  9)3 + (c  11)3  3(a  7)(b  9)(c  11)?

A) 0 B) 9
C) 27 D) 3
 
Answer & Explanation Answer: A) 0

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

In a triangle the length of the side opposite the angle which measures 30 degree is 12 cm, what is the length of the side opposite to the angle which measures 60 degree?

A) 9 cm B) 12√3 cm
C) (15√3)/2 cm D) (9√3)/2 cm
 
Answer & Explanation Answer: B) 12√3 cm

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If tan 45° + cosec 30° = x, then find the value of x.

A) √3 B) (1-2√2)/√2
C) (√3-4)/2√3 D) 3
 
Answer & Explanation Answer: D) 3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

There are 8 equidistant points A, B, C, D, E, F, G and H (in same order) on a circle. What is the value of ∠FDH (in degrees)?

A) 22.5 B) 45
C) 30 D) 42.5
 
Answer & Explanation Answer: B) 45

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

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Q:

In a class of 60 students there are 33 girls. The average weight of these girls is 62 Kg and average weight of the full class is 66.5 kg. What is the average weight of the boys of the class?

A) 72 kg B) 71 kg
C) 70 kg D) 73 kg
 
Answer & Explanation Answer: A) 72 kg

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

A loan of Rs. 305 was taken at a certain rate per annum of compound interest, for 3 years. After 3 years the amount repaid was Rs. 670, calculate the rate of compound interest.

A) 30% B) 35%
C) 33% D) 25%
 
Answer & Explanation Answer: A) 30%

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

Amar is 2 times as good a workman as Badal and therefore is able to finish a job in 15 days less than Badal. In how many days can they together complete the job?

A) 30 days B) 40 days
C) 10 days D) 20 days
 
Answer & Explanation Answer: C) 10 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A does 50% of a work in 12 days. He then calls in B and they together finish the remaining work in 8 days. How long B alone would take to complete the whole work?

A) 12 days B) 24 days
C) 36 days D) 48 days
 
Answer & Explanation Answer: D) 48 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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