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Q:

If x = 4 + √15, then what is the value of [x2 + (1/x2)]?

 

A) 62 B) 64
C) 34 D) 36
 
Answer & Explanation Answer: A) 62

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Dinesh purchases 10 dozens of apples at the rate of Rs 180 per dozen. He sold each one of them at the rate of Rs 19.5. What is the profit (in percentage) of Dinesh?

 

A) 30 B) 15
C) 18 D) 25
 
Answer & Explanation Answer: A) 30

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

The ratio of selling price to the cost price is 21 : 16. What is the profit percentage?

 

A) 35.75 B) 21.75  
C) 27.75 D) 31.25
 
Answer & Explanation Answer: D) 31.25

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

Simple interest on a sum for 10 years is equal to 5% of the principal. In how many years interest will be equal to the principal?

 

A) 100   B) 150
C) 200 D) 250
 
Answer & Explanation Answer: C) 200

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Filed Under: Simple Interest
Exam Prep: Bank Exams

Q:

Average age of 6 boys is 14 years. Average age of 11 girls is 12 years. What is the average age (in years) of all boys and girls?

 

A) 12.7   B) 14.6
C) 19.3   D) 8.5
 
Answer & Explanation Answer: A) 12.7  

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

Q:

n an alloy, lead and tin are in the ratio of 2 : 3. In the second alloy, the ratio of same elements is 3 : 4. If equal quantities of these two alloy are mixed to forma new alloy, then what will be the ratio of these two elements in the new alloy? 

 

A) 1 : 3 B) 29 : 41
C) 25 : 37 D) 31 : 43
 
Answer & Explanation Answer: B) 29 : 41

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

Q:

A sum of Rs 125 is divided among u, v and w in such a way that u gets Rs 10 more than v and v gets Rs 5 more than w. What is the ratio of their shares?

 

A) 2 : 10 : 9   B) 10 : 8 : 7
C) 13 : 10 : 7   D) 5 : 4 : 3
 
Answer & Explanation Answer: B) 10 : 8 : 7

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

Q:

If price of the table is increased by 25%, then a person can buy 25 table less for Rs 25000. What is the original price (in Rs) of the table?

 

A) 225 B) 250  
C) 200   D) 167
 
Answer & Explanation Answer: C) 200  

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Filed Under: Percentage
Exam Prep: Bank Exams