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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

Q:

A man buys a table and a chair for Rs. 500. He sells the table at a loss of 10% and the chair at a gain of 10%. He still gains Rs.10 on the whole. The cost price of chair in rupees is

A) Rs.200 B) Rs.250
C) Rs.300 D) Rs.400
 
Answer & Explanation Answer: C) Rs.300

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

If a+b=5 and a­b=3, then the value of (a2+b2) is

A) 17 B) 18
C) 19 D) 20
 
Answer & Explanation Answer: A) 17

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If x2+5x+6 = 0, then the value of 2xx2-7x+6 is

A) 1/6 B) 1/3
C) -1/6 D) -1/3
 
Answer & Explanation Answer: C) -1/6

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

The four sides of a quadrilateral are in the ratio of 2:3:4:5 and its perimeter is 280m. The length of the longest side is

A) 100m B) 150m
C) 175m D) 180m
 
Answer & Explanation Answer: A) 100m

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Filed Under: Area
Exam Prep: Bank Exams

Q:

At what percentage above the cost price must an article be marked so as to gain 33% after allowing a customer a discount of 5%?

A) 40% B) 45%
C) 35% D) 47%
 
Answer & Explanation Answer: A) 40%

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. C can alone do the work in

A) 5 days B) 6 days
C) 10 days D) 12 days
 
Answer & Explanation Answer: D) 12 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

Q:

In this question, the sets of numbers given in the alternatives are represented. The columns and rows of Matrix I are numbered from 0 to 3 and that of Matrix II are numbered from 5 to 8. A letter from these matrices can be represented first by its row and next by its column, e.g., E can be represented by 00,11, etc., and 'I' can be represented by 56, 86, etc. Similarly you have to identify the set for the word 'TOLD'

A) 67, 30, 55, 13 B) 76, 02, 13, 55
C) 76, 33, 55, 31 D) 85, 02, 23, 31
 
Answer & Explanation Answer: C) 76, 33, 55, 31

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Filed Under: Figure Matrix
Exam Prep: Bank Exams