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Q:

Prabhas is twice as good a workman as Rana and finishes a piece of work in 3 hours. In how many hours they together could finish that piece of work?

A) 3 hrs	B) 3.5 hrs
C) 2.5 hrs	D) 2 hrs

Answer & Explanation Answer: D) 2 hrs

Explanation:

Given Prabhas is twice as good a workman as Rana.

Prabhas finishes the work in 3 hrs

=> Rana finishes the work in 6 hrs.

Number of hours required together they could finish the work

= 3 x 6 / 3 + 6

= 18/9

= 2 hrs.

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Filed Under: Time and Work
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Q:

In how many different ways can the letters of the word 'THERAPY' be arranged so that the vowels always come together?

A) 720	B) 1440
C) 1800	D) 3600

Answer & Explanation Answer: B) 1440

Explanation:

Given word is THERAPY.

Number of letters in the given word = 7

Number of vowels in the given word = 2 = A & E

Required number of different ways, the letters of the word THERAPY arranged such that vowels always come together is

6! x 2! = 720 x 2 = 1440.

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Filed Under: Permutations and Combinations
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Q:

While selling a router, a shopkeeper gives a discount of 15%. If he gives a discount of 20%, he earns Rs. 51 less as profit. What is the original marked price of the router?

A) Rs. 1000	B) Rs. 1020
C) Rs. 1040	D) Rs. 980

Answer & Explanation Answer: B) Rs. 1020

Explanation:

Let the marked price of the router be Rs. P

From the given data,

$P x \frac{85}{100} - P x \frac{80}{100} = 51 P x \frac{5}{100} = 51 \Rightarrow P = \frac{5100}{5} = 1020$

Hence, the original marked price of the router is Rs. 1020.

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Filed Under: Profit and Loss
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Q:

Find the next number in the given number series

1, 3, 10, 41, 206, ?

A) 1237	B) 897
C) 987	D) 1007

Answer & Explanation Answer: A) 1237

Explanation:

The given number series is 1, 3, 10, 41, 206, ?

It follows a pattern that,

1

1 x 2 + 1 = 3

3 x 3 + 1 = 10

10 x 4 + 1 = 41

41 x 5 + 1 = 206

206 x 6 + 1 = 1237

Hence, the next number in the given number series is 1237.

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Filed Under: Number Series
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Q:

What is the currency of Japan?

A) yen	B) dirham
C) yuan	D) None of the above

Answer & Explanation Answer: A) yen

Explanation:

The currency of Japan is Japanese yen.

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Filed Under: World Geography
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Q:

Uncontrolled railroad crossing warning signs include

A) gates	B) red lights
C) warning signs	D) None of the above

Answer & Explanation Answer: D) None of the above

Explanation:

Controlled railroad crossing includes warning signs, red lights and railway gates, whereas absence of all of these warning signs like red lights and gates includes uncontrolled railroad crossings.

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Filed Under: General Awareness
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Q:

A trough in the business cycle occurs when

A) economy is transitioning from a period of decline to a period of expansion	B) economy is transitioning from a period of expansion to a period of contraction
C) economy is transitioning from a period of expansion to a period of decline	D) None of the above

Answer & Explanation Answer: A) economy is transitioning from a period of decline to a period of expansion

Explanation:

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Filed Under: Business Analyst
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Q:

The concept of net domestic investment refers to

A) the difference between the market value and book value of outstanding capital stock.	B) total investment less the amount of investment goods used up in producing the year's output.
C) the amount of machinery and equipment used up in producing the GDP in a specific year.	D) gross domestic investment less net exports.

Answer & Explanation Answer: B) total investment less the amount of investment goods used up in producing the year's output.

Explanation:

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Filed Under: Indian Economy
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