Quantitative Aptitude - Arithmetic Ability Questions

Q:

If a = 5, b = 4, c = 8 then find the value of (a3 + b3 + c3 - 3abc)/(ab + bc + ca - a2  - b2 - c2)

 

A) 15 B) 17
C) -17 D) -15
 
Answer & Explanation Answer: C) -17

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Filed Under: Simplification
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Q:

Find the mean proportional between 2 and 98?

A) 13 B) 14.5
C) 16 D) 14
 
Answer & Explanation Answer: D) 14

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

A basket contains 300 mangoes . 75 mangoes were distributed among some students . Find the percentage of mangoes left in the basket

A) 70% B) 72%
C) 76% D) 75%
 
Answer & Explanation Answer: D) 75%

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Filed Under: Percentage
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Q:

What is the value of √[(1 + sinA)/(1 -­ sinA)]?

A) secA -­ tanA B) cosecA + tanA
C) secA + tanA D) cosecA -­ tanA
 
Answer & Explanation Answer: C) secA + tanA

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Q:

The area of a rhombus is 24 m2 and the length of one of its diagonals is 8 m. The length of each side of the rhombus will be:

 

A) 5m B) 10m
C) 4m D) 6m
 
Answer & Explanation Answer: A) 5m

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Filed Under: Area
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Q:

If the selling price is Rs 1680 after getting a discount of 16%, what was the marked price?

A) Rs 2000 B) Rs 1948.8
C) Rs 1411.2 D) Rs 1448
 
Answer & Explanation Answer: A) Rs 2000

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Q:

If (1 + cot2A) = x, then the value of x is

A) secA B) sinA
C) cosecA D) cosA
 
Answer & Explanation Answer: C) cosecA

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Q:

Rs. x invested at 8% simple interest per annum for 5 years yields the same interest as that on Rs. y invested at 7.5% simple interest per annum for 6years. Find x : y.

A) 40:45 B) 5:6
C) 16:15 D) 9:8
 
Answer & Explanation Answer: D) 9:8

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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