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Q:

If, 1*2= 1,
2*3= 1 and
3*4= 5, Then find the value of 7*9= ?

A) -47	B) -29
C) -2	D) -9

Answer & Explanation Answer: A) -47

Explanation:

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Filed Under: Mathematical Operations
Exam Prep: Bank Exams

Q:

$If (─) stands for division, (+) stands for multiplication, (\div) stands for subtraction and (\times) stands for addition, which one of the following equations is correct ?$

A) 100+5−10×250÷200 = 100	B) 200+10−20×200÷100 = 150
C) 50×5÷10+100−75 = 50	D) 300+5−20×200÷100 = 200

Answer & Explanation Answer: A) 100+5−10×250÷200 = 100

Explanation:

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Filed Under: Mathematical Operations
Exam Prep: Bank Exams

Q:

If THOUGHT is coded as THGUOHT then THROAT will be coded as

A) TAROHT	B) TAORTH
C) TAROHH	D) TAORHT

Answer & Explanation Answer: D) TAORHT

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

Q:

A sum of Rs. 10,000 is lent partly at 6% and the remaining at 10% p.a. If the yearly interest on the average is 9.2%, the money lent at 10% is:-

A) Rs. 8000	B) Rs. 8500
C) Rs. 5000	D) Rs. 2000

Answer & Explanation Answer: A) Rs. 8000

Explanation:

Let the amount at 6% be x
Amount at 10% be (10000 –x)
At 9.2 % interest, SI = 10000 X 9.2 X 1/100 = 920
Amount = 10920
⇒ 6x/100 + (10000 – x)10/100 = 920
⇒ 6x – 10x + 100000 = 92000
⇒ 4x = 8000
⇒ x = 2000
Money lent at 10 % = 10000 – 2000 = 8000

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Filed Under: Simple Interest
Exam Prep: Bank Exams

Q:

If x varies as y and x = 8 when y = 15 then the value of x when y = 10 is:

A) 5	B) 15/8
C) 8/15	D) 16/3

Answer & Explanation Answer: D) 16/3

Explanation:

x : y = 8 : 15
If y = 10, x = 8/15 X 10
y = 16/3

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If the price of kerosene be raised by 11%, find by how much percent a house holder must reduce his consumption of kerosene so as not to increase his expenditure?

A) 11%	B) 9.09%
C) 11.09%	D) 8.25%

Answer & Explanation Answer: B) 9.09%

Explanation:

Let the price of kerosene be x and household
consumption be y.
Expenditure = xy
New cost of kerosene = 1.1x, let new household
consumption be z.
In order to not to increase expenditure,
xy = 1.1x * a
⇒ a= 10y/ 11
⇒ consumption should decrease by = 1/11 X 100 = 9.09%

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

A sum of Rs. 2600 is lent out into two parts, one at 9% and another at 7% if the total annual income is Rs. 206, find the money lent at 7%.

A) Rs. 1400	B) Rs. 900
C) Rs. 1600	D) Rs. 1200

Answer & Explanation Answer: A) Rs. 1400

Explanation:

Money lent at 9% = x
Money lent at 7% = (2600 – x)
⇒ 9x/100 + (2600 – x) X 7 /100 = 206
⇒ 9x + 18200 – 7x = 20600
⇒ 2x = 2400
⇒ x = 1200
Money lent at 7% = 2600-1200 = 1400

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

18 buckets of water fill a tank when the capacity of each bucket is 8 litres. How many buckets will be needed to fill the same tank, if the capacity of the bucket is 12 litres?

A) 12	B) 13.5
C) 24	D) Data insufficient

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