Quantitative Aptitude - Arithmetic Ability Questions

Q:

If ax + by = 1 and bx + ay  = 2aba2+b2 then x2+y2a2+b2 is equal to

A) 1 B) 2
C) 0.5 D) 0
 
Answer & Explanation Answer: A) 1

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Q:

Dodecahedron has 20 vertices. How many edges does it have?

A) 30 B) 16
C) 12 D) 24
 
Answer & Explanation Answer: A) 30

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Q:

The reciprocal of the sum of the reciprocals of 3/8 and 8/11 is:

A) 97/24 B) 24/97
C) 88/97 D) 97/88
 
Answer & Explanation Answer: B) 24/97

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Q:

A can do 1/3rd of a work in 5 days and B can do 2/5th of this work in 10 days. Both A and B, together can do the work in

A) 7 3/8 days B) 8 4/5 days
C) 9 3/8 days D) 10 days
 
Answer & Explanation Answer: C) 9 3/8 days

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Filed Under: Time and Work
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Q:

If  2x+14x = 1, then the value of  x2+164x2 is

A) 0 B) 1
C) 1/4 D) 2
 
Answer & Explanation Answer: A) 0

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Q:

Find the degree of the polynomial 8x4 + 2x2y3 + 4

A) 4 B) 5
C) 0 D) 1
 
Answer & Explanation Answer: B) 5

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Q:

If a2+1a2 = 38, then find the value of a-1a?

A) 2 B) 4
C) 6 D) 8
 
Answer & Explanation Answer: C) 6

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Q:

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

A) 234 B) 345
C) 243 D) 432
 
Answer & Explanation Answer: B) 345

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Filed Under: Odd Man Out
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