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What are the co-ordinates of the centroid of a triangle, whose vertices are A(1, -5), B(4, 0) and C(-2, 2)?

A) (1 , -1)	B) (-1 , 1)
C) (2 , -2)	D) (-2 , 2)

A) (1 , -1)

B) (-1 , 1)

C) (2 , -2)

D) (-2 , 2)

Answer & Explanation Answer: A) (1 , -1)

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Filed Under: Simplification
Exam Prep: Bank Exams

What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?

A) 67	B) 45
C) -30	D) -48

A) 67

B) 45

C) -30

D) -48

Answer & Explanation Answer: C) -30

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Filed Under: Simplification
Exam Prep: Bank Exams

Sum of four times a fraction and 6 times its reciprocal is 11. What is the fraction?

A) 3/4	B) 4/3
C) 4/7	D) 7/4

A) 3/4

B) 4/3

C) 4/7

D) 7/4

Answer & Explanation Answer: A) 3/4

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

If $a^{3} + b^{3} = 19$ and ab = -6 , then what is the value of a + b?

A) 5	B) 7
C) 1	D) -5

A) 5

B) 7

C) 1

D) -5

Answer & Explanation Answer: C) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

The simple and compound interest that can be earned in two years at the same rate is Rs 1500 and Rs 1575 respectively. What is the rate (% per annum) of interest?

A) 8	B) 10
C) 12	D) 5

A) 8

B) 10

C) 12

D) 5

Answer & Explanation Answer: B) 10

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Filed Under: Simple Interest
Exam Prep: Bank Exams

Excluding stoppages, the speed of a bus is 72 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?

A) 12	B) 8
C) 15	D) 10

A) 12

B) 8

C) 15

D) 10

Answer & Explanation Answer: D) 10

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Filed Under: Time and Distance
Exam Prep: Bank Exams

A trader had 960 kgs of rice. He sold a part of it at 20% profit and the rest at 8% profit, so that he made a total profit of 12%. How much rice (in kgs) did he sell at 8% profit?