Quantitative Aptitude - Arithmetic Ability Questions

Q:

If θ is positive acute angle and 4sin2θ = 3, then the value of tan θ - cot θ/2 is

A) 1 B) 0
C) √3 D) 1/√3
 
Answer & Explanation Answer: B) 0

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Filed Under: Simplification
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Q:

Two numbers are 35% and 50% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number? 

A) 23.08 percent B) 15 percent
C) 25 percent D) 30 percent
 
Answer & Explanation Answer: D) 30 percent

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Filed Under: Percentage
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Q:

39 is 5.2% of?

A) 75 B) 750
C) 1500 D) 1875
 
Answer & Explanation Answer: B) 750

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Filed Under: Percentage
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Q:

30% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

A) 33.5 percent B) 35.175 percent
C) 35 percent D) 6.5 percent
 
Answer & Explanation Answer: A) 33.5 percent

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Filed Under: Percentage
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Q:

A vendor buys some bananas at the rate of 2 for Re 1 and sells at the rate of 10 for Rs 7. What will be the result?

A) 40 percent loss B) 28.57 percent gain
C) 40 percent gain D) 28.5 percent loss
 
Answer & Explanation Answer: C) 40 percent gain

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

If the curved surface area of a right circular cone is 3080 sq cm and its slant height is 35 cm, find its total surface area?

A) 11088 sq cm B) 1848 sq cm
C) 5544 sq cm D) 2772 sq cm
 
Answer & Explanation Answer: C) 5544 sq cm

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Filed Under: Volume and Surface Area
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Q:

In a class, average height of all students is 'a' cms. Among them, average height of 10 students is 'b' cms and the average height of the remaining students is 'c' cms. Find the number of students in the class. (Here a>c and b>c )

A) (a(b-c))/(a-c) B) ((b-c)/(a-c))
C) ((b-c)/10(a-c)) D) (10(b-c))/(a_c))
 
Answer & Explanation Answer: D) (10(b-c))/(a_c))

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Q:

Ram Naresh got two successive discounts, a bag with a list price of Rs.400 is available at Rs. 160. If the second discount is 20%, find the first discount.

A) 40% B) 30%
C) 50% D) 80%
 
Answer & Explanation Answer: C) 50%

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Filed Under: Percentage
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