Quantitative Aptitude - Arithmetic Ability Questions

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
Exam Prep: AIEEE , Bank Exams , CAT

0 2714
Q:

1.1 + 12.12 + 123.123 = ?

A) 134.343 B) 133.433
C) 132.123 D) 136.343
 
Answer & Explanation Answer: D) 136.343

Explanation:
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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

2 2714
Q:

When a discount of 20% is given on a movie ticket, the profit is 34%. If the discount is 15%, then the profit is

A) 49 percent B) 42.375 percent
C) 55.625 percent D) 35.75 percent
 
Answer & Explanation Answer: B) 42.375 percent

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

4 2713
Q:

P can complete a work in 15 days and Q in 24 days. They began the work together, but Q left the work 2 days before its completion. In how manydays, was the work completed?

A) 12 B) 10
C) 9 D) 11
 
Answer & Explanation Answer: B) 10

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

6 2712
Q:

Chutki can bake 30 cakes in 15 hours. Chutki and Badki together can bake 90 cakes in 30 hours. How many cakes Badki can bake in 10 hours?

A) 75 B) 20
C) 10 D) 60
 
Answer & Explanation Answer: C) 10

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams , CAT

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Q:

The quadratic equation 1+a2x2+2abx+b2-c2=0 has only one root. What is the value of c21+a2 ?

A) a2 B) b2
C) c2 D) ab
 
Answer & Explanation Answer: B) b2

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A tent is to be built in the form of a cylinder of radius 10 m surmounted by a cone of the same radius. If the height of the cylindrical part is 5 m and slant height of the conical part is 15 m, how much canvas will be required to build the tent? Allow 20% extra canvas for folding and stitching. (Take π = 22/7)

A) 4714.43 sq m B) 3772.14 sq m
C) 6783.86 sq m D) 2451.42 sq m
 
Answer & Explanation Answer: D) 2451.42 sq m

Explanation:
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Filed Under: Area

3 2712
Q:

In the first 32 overs of a cricket match, the run rate was 7.2 runs/over. What is the required run rate in the remaining 18 overs to reach the target of 297 runs?

A) 4.3 B) 4.9
C) 3.1 D) 3.7
 
Answer & Explanation Answer: D) 3.7

Explanation:
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Filed Under: Average
Exam Prep: AIEEE , Bank Exams , CAT

3 2708