Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find the value of 777777?

A) 73164 B) 7164
C) 76364 D) 7764
 
Answer & Explanation Answer: C) 76364

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Q:

What is the sum of the first 13 terms of an arithmetic progression if the 5th term is 1 and the 8th term is -17?

A) -140 B) 61
C) -143 D) 166
 
Answer & Explanation Answer: C) -143

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Q:

The sum of a non-zero number and twenty times its reciprocal is 9. What is the number?

A) -5 B) 3
C) -3 D) 5
 
Answer & Explanation Answer: D) 5

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Q:

If 5x + 5 > 2 + 2x and 5x + 3 ≤ 4x + 5; then x can take which of the following values?

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

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Q:

If x=aCosθCosΦ, y = aCosθSinΦ and z= aSinθ, then the value of x2+ y2 + z2 is

A) 2a2 B) 0
C) 4a2 D) a2
 
Answer & Explanation Answer: D) a2

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Q:

If x + y = 3, then what is the value of x3 + y3 + 9xy?

A) 15 B) 81
C) 27 D) 9
 
Answer & Explanation Answer: C) 27

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Q:

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

A) HP B) CJ
C) FN D) RZ
 
Answer & Explanation Answer: B) CJ

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Q:

ΔPQR is right angled at Q. If tanP = 24/7, then what is the value of cosR ?

A) 25/7 B) 24/25
C) 24/7 D) 7/24
 
Answer & Explanation Answer: B) 24/25

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