Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 9x = 24311, then what is the value of x?

A) 5/11 B) 5/22
C) 5/7 D) 5/33
 
Answer & Explanation Answer: B) 5/22

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The upper part of a tree broke at a certain height makes an angle of 60 ° with the ground at a distance of 10 m. from its feet. The original height of the tree was

A) 20√3 m. B) 10√3 m.
C) 10(2+√3) m. D) 10(2-­√3) m.
 
Answer & Explanation Answer: C) 10(2+√3) m.

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Filed Under: Height and Distance
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Q:

Rs. 10000 is being compounded at 20% per annum. Calculate the amount after 2 years if rate of interest is charged half yearly.

A) Rs. 10041 B) Rs. 14641
C) Rs. 12000 D) Rs. 13660
 
Answer & Explanation Answer: B) Rs. 14641

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Filed Under: Compound Interest
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Q:

If the difference between the roots of the equation Ax2  Bx + C = 0 is 4, then which of the following is TRUE?

A) B2 – 16A2 = 4AC + 4B2 B) B2 – 10A2 = 4AC + 6A2
C) B2 – 8A2 = 4AC + 10A2 D) B2 – 16A2 = 4AC + 8B2
 
Answer & Explanation Answer: B) B2 – 10A2 = 4AC + 6A2

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Q:

The ratio of total surface area and volume of a sphere is 1 : 7. This sphere is melted to form small spheres of equal size. The radius of each small sphere is 1/6th the radius of the large sphere. What is the sum (in cm2) of curved surface areas of all small spheres?

A) 31276 B) 36194
C) 25182 D) 33264
 
Answer & Explanation Answer: D) 33264

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

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Q:

Three sides of a triangle are 5 cm, 9 cm and x cm. The minimum integral value of x is

A) 2 B) 3
C) 4 D) 5
 
Answer & Explanation Answer: D) 5

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Q:

The difference between compound interest and simple interest on an amount of Rs. 15,000 for 2 years is Rs. 96. The rate of interest per annum is?

A) 6% B) 7%
C) 8% D) 9%
 
Answer & Explanation Answer: C) 8%

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Q:

If A is 50% more than B, then B is what percent of A?

A) 66.66 B) 33.33
C) 150 D) 75
 
Answer & Explanation Answer: A) 66.66

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