Quantitative Aptitude - Arithmetic Ability Questions

Q:

Δ ABC is right angled at B. If m∠A = 60°, then what is the value of sec C.sin A?

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

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Q:

In the following question, select the odd number pair from the given alternatives.

A) 11 – 121 B) 13 – 169
C) 19 – 391 D) 21 – 441
 
Answer & Explanation Answer: C) 19 – 391

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Q:

Find the odd word/letters/number pair from the given alternatives.

A) CA B) FD
C) KI D) TQ
 
Answer & Explanation Answer: D) TQ

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 325 B) 428
C) 326 D) 177
 
Answer & Explanation Answer: A) 325

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Q:

Find the curved surface area (in cm2) of a right circular cone of diameter 28 cm and slant height 12 cm.

 

A)  792 B) 728
C)  528 D)  493
 
Answer & Explanation Answer: C)  528

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Q:

What is the value of (2 - sin30°) ?

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

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Q:

By increasing the price of entry ticket to a fair in the ratio 13:16, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?

A) decreased in the ratio 144:143 B) increased in the ratio 117:176
C) increased in the ratio 143:144 D) decreased in the ratio 176:117
 
Answer & Explanation Answer: C) increased in the ratio 143:144

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Q:

What is the value of sec -2π/3 ?

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

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