Quantitative Aptitude - Arithmetic Ability Questions

Q:

The average age of a class of 39 students is 15 years. If the age of the teacher is included, then the average increases by 3 months. Find the age of the teacher.

A) 30 B) 25
C) 35 D) 40
 
Answer & Explanation Answer: B) 25

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

The difference between the selling prices of an article sold at 4% and 3% profits is Rs.3 The cost price of the article is :

A) Rs. 400 B) Rs. 350
C) Rs. 300 D) Rs. 100
 
Answer & Explanation Answer: C) Rs. 300

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Average of two numbers is 8 and average of other three numbers is 3 ; the average of the five numbers is

A) 2 B) 3
C) 5 D) 6
 
Answer & Explanation Answer: C) 5

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Sum of twice a fraction and 3 times its reciprocal is 29/3. What is the fraction?

A) 2/9 B) 5/4
C) 4/5 D) 9/2
 
Answer & Explanation Answer: D) 9/2

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

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Q:

A bag has Rs 43 in the form of 5-rupee, 50-paise and 10-paise coins in the ratio of 1:5:11. What is the total number of 50-paise coins?

A) 5 B) 25
C) 55 D) 50
 
Answer & Explanation Answer: B) 25

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

√(3099.985 ÷ 62.001 + 14.001) = ?

A) 8 B) 13
C) 18 D) 23
 
Answer & Explanation Answer: A) 8

Explanation:

Ans. 
√(3100 ÷ 62 + 14) = ?
√(50 + 14) = ?
√64 = ?
? = 8

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , GATE

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Q:

Δ DEF is right angled at E. If m∠F = 45, then what is the value of Sin F x Tan F?

A) √2 B) 1/√3
C) 1/√2 D) 2/√3
 
Answer & Explanation Answer: C) 1/√2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The marked price of a calculator is Rs 750. It is sold at a discount of 22%. If the cost price of the calculator is Rs 500, then what is the profit (in Rs)?

 

A) 85   B)  105  
C)  95   D) 115
 
Answer & Explanation Answer: A) 85  

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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