Quantitative Aptitude - Arithmetic Ability Questions

Q:

The simplified form of (4x + 3)2 . (3x - 5) - (4x3 - 12x2 + 9x - 20) is

A) 6x2- 48x - 50 B) 24x3 + 2x2 - 32x - 15
C) 44x3 + 4x2 - 102x - 25 D) 24x3 + 8x2 - 42x - 50
 
Answer & Explanation Answer: C) 44x3 + 4x2 - 102x - 25

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Filed Under: Square Roots and Cube Roots
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

O is the circumcentre of ΔABC. If AO = 8 cm, then the length of BO is

A) 12 cm B) 3 cm
C) 6 cm D) 8 cm
 
Answer & Explanation Answer: D) 8 cm

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

0 1384
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
Exam Prep: Bank Exams

1 1384
Q:

If x + 1x = c + 1c, then the value of x =

A) C, 1/C B) C, C2
C) C, 2C D) 0,1
 
Answer & Explanation Answer: A) C, 1/C

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1384
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
Exam Prep: Bank Exams

1 1383
Q:

You went to buy 3 articles worth Rs.500 each. However, as per the discount sale going on in the shop, you paid for two and got one free. What is the discount percentage in the deal?

A) 30% B) 33%
C) 33.13% D) 33.33%
 
Answer & Explanation Answer: D) 33.33%

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Filed Under: Percentage
Exam Prep: Bank Exams

14 1382
Q:

If 1-aa3+9 = 19 - a1-a3, then what is the value of a?

A) 3/10, 7/10 B) 1/10, 9/10
C) 2/5, 3/5 D) 1/5, 4/5
 
Answer & Explanation Answer: B) 1/10, 9/10

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

4 1382
Q:

P and Q can do a project in 12 and 12 days respectively. In how many days can they complete 50% of the project if they work together?

A) 6 days B) 3 days
C) 18 days D) 1.5 days
 
Answer & Explanation Answer: B) 3 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

2 1381