Quantitative Aptitude - Arithmetic Ability Questions

Q:

The price of an article is cut by 3%. To restore to its original value, the new price must be increased by

A) 3 percent B) 7.11 percent
C) 3.09 percent D) 2.69 percent
 
Answer & Explanation Answer: C) 3.09 percent

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

If 6A = 7B = 5C; find A : B : C

A) 42:30:35 B) 30:35:42
C) 5:7:6 D) 35:30:42
 
Answer & Explanation Answer: D) 35:30:42

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

If a watch is being sold at Rs 7,225 which is marked at Rs 8,500, then what is the discount (in %) at which the watch is being sold?

A) 24 B) 15
C) 25 D) 20
 
Answer & Explanation Answer: B) 15

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

0.09% of 25% of 1200 is equal to____________.

A) 0.27 B) 2.7
C) 27 D) 270
 
Answer & Explanation Answer: A) 0.27

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Q:

Three bottles of equal capacity containing mixture of milk and water in ratio 2 : 5, 3 : 4 and 4 : 5 respectively. These three bottles are emptied into a large bottle. What will be the ratio of milk and water respectively in the large bottle?

A) 73 : 106 B) 73 : 116
C) 73 : 113 D) 73 : 189
 
Answer & Explanation Answer: B) 73 : 116

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

Every month, Kritika spends 30% of her income on house rent and 60% of the rest on household expenditure. If she saves ₹ 6300 per month, what is her total monthly income?

A) ₹ 22,000 B) ₹ 20,500
C) ₹ 22,500 D) ₹ 25,000
 
Answer & Explanation Answer: C) ₹ 22,500

Explanation:

Let the monthly income be x
Kritika spends 30% of her income on house rent. The remaining amount will be 70% of x
Kritika spends 60% of the rest (70% of 60% = 42% of x )on household expenditure. The remaining amount will be 28% of x
If 28% of x is 6300 then 100% will be 22,500

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Filed Under: Percentage
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Q:

If the radius of a circle is increased by 14% its area increases by

A) 28 percent B) 29.96 percent
C) 14 percent D) 14.98 percent
 
Answer & Explanation Answer: B) 29.96 percent

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If secA - tanA = x, then the value of x is

A) 1/(sec2A - tan2A) B) 1/(sec2A + tan2A)
C) 1/√[(sec2A - tan2A)] D) 1/(secA + tanA)
 
Answer & Explanation Answer: D) 1/(secA + tanA)

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Filed Under: Simplification
Exam Prep: Bank Exams

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