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Q:

The sum of the ages of brother and sister at present is 21. Five years ago the product of their ages was 28. What is the age of the brother and the sister?

A) 9, 12 B) 6, 15
C) 7, 14 D) 8, 13
 
Answer & Explanation Answer: A) 9, 12

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

Q:

If 4x -7 < x - 2 and 5x +2/3 ≥ 3x + 1; then x can take which of the following values?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Parimal has done 1/4th of a job in 10 days, Salim completes the rest of the job in 20 days. In how many days can they together do the job?

A) 8 days B) 24 days
C) 12 days D) 16 days
 
Answer & Explanation Answer: D) 16 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

Q:

The slopes of two lines are 1 and √3. What is the angle between these two lines?

A) 15° B) 30°
C) 45° D) 60°
 
Answer & Explanation Answer: A) 15°

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If the shopkeeper sells an item at Rs 1250 which is marked as Rs 1500, then what is the discount he is offering?

A) 20 percent B) 16.67 percent
C) 25 percent D) 10 percent
 
Answer & Explanation Answer: B) 16.67 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

If tanA = x, then x is

A) √(cosec2A + 1) B) √(sec2A + 1)
C) √(cosec2A - 1) D) √(sec2A - 1)
 
Answer & Explanation Answer: D) √(sec2A - 1)

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If cosπ/4c - tanπ/4c = x, then x is

A) (√3+4)/2√3 B) (2√2-1)/2
C) (1-√2)/√2 D) 5/√3
 
Answer & Explanation Answer: C) (1-√2)/√2

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

What is the length of the side of an equilateral triangle, if its area is 36√3 sq cm?

A) 6 cm B) 24 cm
C) 12 cm D) 18 cm
 
Answer & Explanation Answer: C) 12 cm

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Filed Under: Area
Exam Prep: Bank Exams