Quantitative Aptitude - Arithmetic Ability Questions

Q:

The value of Cot17°Cot73°Cos222° + 1Cot17°Sec268° is

A) 0 B) 1
C) 2 D) √3
 
Answer & Explanation Answer: B) 1

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Filed Under: Simplification
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Q:

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

A) Rs 1430 B) Rs 2420
C) Rs 1466 D) Rs 2384
 
Answer & Explanation Answer: D) Rs 2384

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Filed Under: Percentage
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Q:

At what rate of compound interest (in %) per annum will a sum of Rs. 15,000 become Rs. 18,150 in 2 years?

A) 11 B) 10
C) 9 D) 12
 
Answer & Explanation Answer: B) 10

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Filed Under: Compound Interest
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Q:

What is the value of (cosecA - cotA) / (secA + tanA)?

A) (secA + tanA)/(cosecA - cotA) B) √[(secA - tanA)/(cosecA + cotA)]
C) (secA - tanA)/(cosecA + cotA) D) √[(secA + tanA)/(cosecA - cotA)]
 
Answer & Explanation Answer: C) (secA - tanA)/(cosecA + cotA)

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Q:

The ratio of three numbers is 5 : 6 : 8. If the sum of the three numbers is 380, then what is the smallest among the three numbers?

A) 75 B) 80
C) 120 D) 100
 
Answer & Explanation Answer: D) 100

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Filed Under: Ratios and Proportions
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Q:

In the following question, select the odd letter/letters from the given alternatives.

A) IR B) LO
C) EV D) AY
 
Answer & Explanation Answer: D) AY

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Filed Under: Odd Man Out
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Q:

What is the reflection of the point (2, -3.5) in the y-axis?

A) (-2, 3.5) B) (-2, -3.5)
C) (-3.5,-2) D) (3.5,-2)
 
Answer & Explanation Answer: B) (-2, -3.5)

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Filed Under: Area
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Q:

What is the value of Sin 30- √2 Cos 30

A) (1 - √6)/√2 B) (1 - √6)/2
C) (3 - √6)/2 D) (3 - √6)/√2
 
Answer & Explanation Answer: B) (1 - √6)/2

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