Quantitative Aptitude - Arithmetic Ability Questions

Q:

In the following question, select the odd word pair from the given alternatives

A) White – Colour B) Blue – Colour
C) Yellow – Orange D) Black – Colour
 
Answer & Explanation Answer: C) Yellow – Orange

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Q:

What is the value of √2 Sec 45° + (1/√3)Tan 30°?

A) (1 + √3)/2 B) (1 + 3√2)/√3
C) 7/3 D) (3 + 2√2)/3√2
 
Answer & Explanation Answer: C) 7/3

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Q:

In a test, Charan secured 54 marks that was also equivalent to obtaining 72% marks. How many marks was the test out of?

 

 

A) 75 B) 85
C) 80 D) 65
 
Answer & Explanation Answer: A) 75

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Q:

If x=2+3, then the value of x2-x+1x2+x+1 is

A) 2/3 B) 3/4
C) 4/5 D) 3/5
 
Answer & Explanation Answer: D) 3/5

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Q:

A and B have their annual average income Rs. 80,000.
B and C have their annual average income Rs. 75,000.
C and A have their annual average income Rs. 78,000.

The annual income of A is ?

A) Rs. 81000 B) Rs. 82000
C) Rs. 83000 D) Rs. 84000
 
Answer & Explanation Answer: C) Rs. 83000

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Q:

The solution set of 4x - 3y = 47 and 3x + y = 32 is

A) {(15, 3)} B) {(4, 12)}
C) {(11, -1)} D) {(12, 3)}
 
Answer & Explanation Answer: C) {(11, -1)}

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Q:

What is the value of ( 1/3 + cosec30)?

A) (√6+1)/√3 B) 7/3
C) (4+√3)/2 D) (√3+1)/2
 
Answer & Explanation Answer: B) 7/3

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Q:

A's salary was decreased by 50% and subsequently increased by 50%. How much percent does he lose?

A) 25% B) 50%
C) 75% D) No loss
 
Answer & Explanation Answer: A) 25%

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