Quantitative Aptitude - Arithmetic Ability Questions

Q:

The ratio of present ages of Ramya and Saurabh is 8:7. After 10 years the ratio of their ages will be 12:11. What is Ramya's present age?

A) 20 B) 14
C) 63 D) 45
 
Answer & Explanation Answer: A) 20

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Filed Under: Problems on Ages
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Q:

If x1/4 + x-1/4 = 2, then what is the value of x81 + (1/x81)?

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

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Filed Under: Simplification
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Q:

The ratio of the heights of Nani and Leelu is 4 : 3. If Leelu is 1.2 m tall, then what is the height of Nani?

A) 1.6 m B) 2 m
C) 0.9 m D) 1.8 m
 
Answer & Explanation Answer: A) 1.6 m

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Filed Under: Ratios and Proportions
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Q:

ΔPQR is right angled at Q. QS is the altitude. PQ is 2√13 cm and PS is 8 cm. What is the length of SR?

A) 6√13 cm B) 4√13 cm
C) 18 cm D) 9 cm
 
Answer & Explanation Answer: C) 18 cm

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Filed Under: Area
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Q:

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

A) DGJ B) KNQ
C) RUX D) ILN
 
Answer & Explanation Answer: D) ILN

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Filed Under: Odd Man Out
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Q:

A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling price (in Rs) if the cost price is Rs 1600?

A) 1920 B) 2000
C) 2120 D) 2200
 
Answer & Explanation Answer: A) 1920

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Filed Under: Percentage
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Q:

Ankit scored 32, 45 and 49 marks in Physics, English and Philosophy respectively. The maximum marks in each subject is 50. Determine his overall percentage for the three subjects.

A) 58 B) 50
C) 42 D) 84
 
Answer & Explanation Answer: D) 84

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Filed Under: Percentage
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Q:

What is the simplified value of 18 - 12 ?

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

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Filed Under: Simplification
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