Quantitative Aptitude - Arithmetic Ability Questions

Q:

A and B together can do a piece of work in 10 days. If A can do the work in 15 days, find in how many days that B alone can do the same work. Given below are the steps involved in solving the above problem. Arrange them in sequential order.

 

A) One day's work of B is 1/10 - 1/15

B) One day's work of A and B is 1/10 and One day's work of A is 1/15

C) B alone can do the work in 30 days

D) One day's work of B is 1/30

 

A) BADC B) ADCB
C) BCAD D) BDAC
 
Answer & Explanation Answer: A) BADC

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Filed Under: Time and Work
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:

If a triangle has its orthocenter and centroid of equal length, then which of the following is TRUE about the triangle?

A) Right angled B) Equilateral
C) Scalene D) Obtuse angled
 
Answer & Explanation Answer: B) Equilateral

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Q:

The volume of a cube is 166.375 cm3. Find its side (in cm).

A) 6.5 B) 4.5
C) 7.5 D) 5.5
 
Answer & Explanation Answer: D) 5.5

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

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Q:

The average of 5 members of a family is 24 years. If the youngest member is 8 years old, then what was the average age (in years) of the family at the time of the birth of the youngest member?

A) 16 B) 20
C) 24 D) 30
 
Answer & Explanation Answer: B) 20

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

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Q:

One diagonal of a rhombus is half the other. If the length of the side of the rhombus is 20 cm, what is the area of the rhombus?

A) 320 sq cm B) 160 sq cm
C) 240 sq cm D) 360 sq cm
 
Answer & Explanation Answer: A) 320 sq cm

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

All sides are congruent in a _____.

A) Rectangle B) Parallelogram
C) Rhombus D) Kite
 
Answer & Explanation Answer: C) Rhombus

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

The sum of a fraction and 3 times its reciprocal is 37/10. What is the fraction?

A) 5/2 B) 2/5
C) 5/4 D) 4/5
 
Answer & Explanation Answer: A) 5/2

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Filed Under: Simplification
Exam Prep: Bank Exams

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