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Q:

Oil equal to 20% of the weight of ground nut is extracted in a mill. The matter left after extraction is sold as cattle feed at the rate of Rs 12.5/kg. The groundnuts are bought at Rs 20/kg. The processing cost is Rs 5/kg. At what price (Rs per kg) should the oil be sold to earn 20% profit on total costs (Total cost = Cost of groundnuts and Processing costs)?

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

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

In a class of 50 students there are 22 girls who scored an average of 35 marks in the test. What is the average marks of the boys if the class average is 42 marks?

A) 50 B) 52.5
C) 47.5 D) 55
 
Answer & Explanation Answer: C) 47.5

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Filed Under: Average
Exam Prep: Bank Exams

Q:

The average marks of 50 students in an examination was 65. It was later found that the marks of one student had been wrongly entered as 83 instead of 38. The correct average is?

A) 63.9 B) 64.5
C) 64.7 D) 64.1
 
Answer & Explanation Answer: D) 64.1

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Filed Under: Average
Exam Prep: Bank Exams

Q:

Before a battle the ratio of tanks to planes in an army was 5 : 3. During the war 1000 tanks were destroyed and 800 planes were destroyed. The ratio of tanks to planes became 2 : 1. What is the number of tanks after the war.

A) 2000 B) 1000
C) 3000 D) 4000
 
Answer & Explanation Answer: A) 2000

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

Q:

Rs 11,550 has to be divided between X, Y & Z such that X gets 4/5 of what Y gets and Y gets 2/3 of what Z gets. How much more does Z get over X (in Rs)?

A) 7200 B) 1800
C) 1390 D) 2450
 
Answer & Explanation Answer: D) 2450

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

What is the fourth proportional to 189, 273 and 153?

A) 117 B) 299
C) 221 D) 187
 
Answer & Explanation Answer: C) 221

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

Q:

If 50 less had applied and 25 less selected, the ratio of selected to unselected would have been 9 : 4. So how many candidates had applied if the ratio of selected to unselected was 2 : 1.

A) 125 B) 250
C) 375 D) 500
 
Answer & Explanation Answer: C) 375

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

Q:

The entry ticket at a fun park was increased in the ratio 7 : 9, due to which footfalls fell in the ratio 13 : 11. What is the new daily collection (in Rs), if the daily collection before the price hike was Rs 2,27,500?

A) 237500 B) 247500
C) 232500 D) 242500
 
Answer & Explanation Answer: B) 247500

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams