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Q:

Two circles are having radii 9 cm and 12 cm. The distance between their centres is 15 cm. What is the length (in cm) of their common chord?

A) 6.8 B) 13.6
C) 7.2 D) 14.4
 
Answer & Explanation Answer: D) 14.4

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

If the roots of the equation a(b  c)x2 + b(c  a)x + c(a  b) = 0 are equal, then which of the following is true?

A) b = ( a + c)/ ac B) 2/ b = (1/ a) + (1/ c)
C) 2 b = (1/ a) + (1/ c) D) abc = ab + bc + ca
 
Answer & Explanation Answer: B) 2/ b = (1/ a) + (1/ c)

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

An investor invested his saving in the stock market. The value of his investments increased by 12% and 9% in the first year and the second year respectively. If the value of his investments after two years became Rs 97,664 then how much had he invested (in Rs)?

A) 81000 B) 75000
C) 80000 D) 72000
 
Answer & Explanation Answer: C) 80000

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

Two runners A and B start running at 12 km/hr and 16 km/hr towards each other. They meet after 1 hour and 30 minutes. How far (in km) were they from each other when they started?

A) 42 B) 36
C) 40 D) 45
 
Answer & Explanation Answer: A) 42

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Filed Under: Time and Distance
Exam Prep: Bank Exams

Q:

A man donates 30% of his wealth to charity. 30% and 25% of the remaining wealth to his wife and son respectively. The rest he divides equally between his three daughters. One of his daughter gets Rs 42 lakh as her share. What was the man's wealth (in Rs lakhs)?

A) 280 B) 400
C) 500 D) 350
 
Answer & Explanation Answer: B) 400

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

If the selling price is tripled and cost price doubled the profit would become 65%. What is the present profit (in %)?

A) 20 B) 15
C) 25 D) 10
 
Answer & Explanation Answer: D) 10

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

A wholesaler had 200 dozens of mangoes. He sold some of these mangoes at 20% profit and the rest at 10% profit, so that he made 13% profit on selling all the mangoes. How many mangoes (in dozens) did he sell at 20% profit?

A) 140 B) 60
C) 80 D) 120
 
Answer & Explanation Answer: B) 60

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

If by increasing the price of a ticket in the ratio 8:11 the number of tickets sold fall in the ratio 23:21 then what is the increase (in Rs) in revenue if revenue before increase in price of ticket was Rs 36,800?

A) 21250 B) 9400
C) 7850 D) 12850
 
Answer & Explanation Answer: B) 9400

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams