Quantitative Aptitude - Arithmetic Ability Questions

Q:

How many pairs (A, B) are possible in the number 479865AB if the number is divisible by 9 and it is given that the last digit of the number is odd?

A) 5 B) 6
C) 9 D) 11
 
Answer & Explanation Answer: A) 5

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Q:

The marked price of a chair is 40% more than its cost price. If the chair is sold for Rs 520 after a discount of Rs 40, then what will be the profit percentage?

A) 33 B) 40
C) 25 D) 30
 
Answer & Explanation Answer: D) 30

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Q:

Ratio of A's age to B's age is 4:3. 'A' will be 26 years old after 6 years. The age of B now is

A) 12 years B) 21 years
C) 13 years D) 15 years
 
Answer & Explanation Answer: D) 15 years

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Q:

Amar can complete a work in 30 days and Raman can complete the same work in 15 days. If both of them work together, then in 4 days what percent of the total work will be completed?

A) 15 B) 37
C) 40 D) 45
 
Answer & Explanation Answer: C) 40

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Filed Under: Time and Work
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Q:

In math questions answers each questions are solved with explanation. The questions are based from different topics. Care has been taken to solve the questions in such a way that students can understand each and every step

1. Which is greater than 4?

(a) 5,

(b) -5,

(c) -1/2,

(d) -25.
                                             

A) 5 B) 20
C) 2 D) 3
 
Answer & Explanation Answer: A) 5

Explanation:

Solution:

5 greater than 4.

Answer: (a)

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Q:

How many job applicants had applied if the ratio of selected to unselected was 19:17. If 1,200 less had applied and 800 less selected, then the ratio of selected to unselected would have been 1:1.

A) 6000 B) 7200
C) 8400 D) 4800
 
Answer & Explanation Answer: B) 7200

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Filed Under: Ratios and Proportions
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Q:

A trader had 9 quintals of wheat. He sold a part of it at 10% profit and the rest at 20% profit, so that he made a total profit of 14 %. How much wheat did he sell at 20% profit?

A) 540 kg B) 360 kg
C) 180 kg D) 720 kg
 
Answer & Explanation Answer: B) 360 kg

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Q:

2 sec2A is equal to

A) (1 - tanA)2 - (1 + tanA)2 B) √[(1 - tanA)2 + (1 + tanA)2 ]
C) √[(1 - tanA)2 - (1 + tanA)2] D) (1 - tanA)2 + (1 + tanA)2
 
Answer & Explanation Answer: D) (1 - tanA)2 + (1 + tanA)2

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Filed Under: Simplification
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