Aptitude and Reasoning Questions

Q:

If 15 persons can do a job in 30 days, then 30 persons with twice the efficiency can do the same job in how many days?

A) 7 B) 3.5
C) 5 D) 7.5
 
Answer & Explanation Answer: D) 7.5

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

The ratio of sand to gravel in a mixture is 17:8 while that between gravel and cement is 6:17. What is the ratio of sand to cement in the mixture?

A) 17:17 B) 289:48
C) 8:6 D) 3:4
 
Answer & Explanation Answer: D) 3:4

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

The difference between the place values of 9 and 5 in the number 428693745 is

A) 90995 B) 99995
C) 89995 D) 8995
 
Answer & Explanation Answer: C) 89995

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

If 5/6th of 7/6th of a number is 140, then 9/4th of that number is

A) 225 B) 87
C) 301 D) 324
 
Answer & Explanation Answer: D) 324

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

x, y and z are real numbers. If x3 + y3 + z3 = 13, x + y + z = 1 and xyz = 1, then what is the value of xy + yz + zx?

A) -1 B) 1
C) 3 D) -3
 
Answer & Explanation Answer: D) -3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Arjun is facing east. He walks 10 m in this direction, then turns left and walks for another 10 m, then he turns right to walk 25 m and from there he walks another 10 m towards south. Finally, he walks 50 m to his left. How far is he from his original position?

A) 85 m B) 80 m
C) 75 m D) 90 m
 
Answer & Explanation Answer: D) 90 m

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Filed Under: Direction Sense Test
Exam Prep: Bank Exams

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Q:

PQRS is a square whose side is 16 cm. What is the value of the side (in cm) of the largest regular octagon that can be cut from the given square?

A) 8 – 4√2 B) 16 + 8√2
C) 16√2 – √16 D) 16 – 8√2
 
Answer & Explanation Answer: C) 16√2 – √16

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

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Q:

The value of 8(sin6θ + cos6θ) - 12(sin4θ + cos4θ) is equal to

A) 20 B) -20
C) 4 D) -4
 
Answer & Explanation Answer: D) -4

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Filed Under: Simplification
Exam Prep: Bank Exams

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