Quantitative Aptitude - Arithmetic Ability Questions

Q:

A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings ?

A) 34 B) 36
C) 35 D) 37
 
Answer & Explanation Answer: D) 37

Explanation:

16x + 85 = 17(x + 3)

x = 34 + 3 = 37

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Filed Under: Average
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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41 33291
Q:

How many bricks each measuring 25cm x 11.25cm x 6cm, will be needed to build a wall 8m x 6m x 22.5m

A) 5600 B) 600
C) 6400 D) 7200
 
Answer & Explanation Answer: C) 6400

Explanation:

No. of bricks= volume of the wall/volume of 1 brick

= (800 x 600 x 22.5) / (25 x 11.25 x 6) = 6400

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Filed Under: Volume and Surface Area
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62 33273
Q:

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

(A) Barbarous

(B) Uncivilized

(C) Gentle

(D) Wild

A) A B) B
C) C D) D
 
Answer & Explanation Answer: C) C

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 33234
Q:

On a sum of money, the simple interest for 2 years is Rs. 660,while the compound interest is Rs.696.30,the rate of interest being the same in both the cases. The rate of interest is

A) 10% B) 11%
C) 12% D) 13%
 
Answer & Explanation Answer: B) 11%

Explanation:

Difference in C.I and S.I for 2 years

= Rs(696.30-660)

=Rs. 36.30.

 

S.I for one years = Rs330.

S.I on Rs.330 for 1 year =Rs. 36.30 

 

Rate

= (100x36.30/330x1)%

= 11%

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Filed Under: Compound Interest
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42 33202
Q:

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

 

A) Trouser – Garment B) Ostrich – Bird
C) Table – Furniture D) Stationery – Pen  
 
Answer & Explanation Answer: D) Stationery – Pen  

Explanation:
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Filed Under: Odd Man Out
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Q:

If the numerator of a fraction is increased by 150% and the denominator of the fraction is increased by 350%, the resultant fraction is 25/51. What is the original fraction ?

A) 31/25 B) 15/17
C) 14/25 D) 11/16
 
Answer & Explanation Answer: B) 15/17

Explanation:

The original fraction is  2551 × 350+100150+100  = 15/17.

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Filed Under: Percentage
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
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61 33181
Q:

The ratio of selling price to the cost price is 21 : 16. What is the profit percentage?

 

A) 35.75 B) 21.75  
C) 27.75 D) 31.25
 
Answer & Explanation Answer: D) 31.25

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

0 33128
Q:

At a game of billiards, A can give B 15 points in 60 and A can give C to 20 points in 60. How many points can B give C in a game of 90?

A) 30 points B) 20 points
C) 10 points D) 12 points
 
Answer & Explanation Answer: C) 10 points

Explanation:

A : B = 60 : 45.

 

A : C = 60 : 40.

 

B/C = (B/A*A/C) = (45/60*60/45) = 45/40 = 90/80 = 90:80

 

B can give C 10 points in a game of 90.

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Filed Under: Races and Games

28 33126