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Q:

From the 50 liters of milk, 5 liters of milk is taken out and after it 5 liters of water is added to the rest amount of milk. Again 5 liters of milk and water is drawn out and it was replaced by 5 liters of water. If this process is continued similarly for the third time, the amount of milk left after the third replacement:

A) 45L	B) 36.45L
C) 40.5L	D) 42.5L

Answer & Explanation Answer: B) 36.45L

Explanation:

General Formula:

Final or reduced concentration = initial concentration x ${(1 - \frac{a m o u n t b e i n g r e p l a c e d i n e a c h o p e r a t i o n}{t o t a l a m o u n t})}^{n}$

where n is the number of times the same operation is being repeated. The "amount being replaced" could be pure or mixture as per the case. similarly ,"total amount" could also be either pure or mixture. Here amount being replaced denotes the quantity which is to be withdrawn in each time.

Therefore, $50 \times {(1 - \frac{5}{50})}^{3}$

= 36.45 L

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Filed Under: Alligation or Mixture

Q:

Suppose if we measure the time lapse between the two Sunsets by sitting in the beach , from this we can estimate

A) The distance between the sun and earth	B) The depth of the ocean
C) The radius of the earth	D) The radius of the sun

Answer & Explanation Answer: C) The radius of the earth

Explanation:

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Filed Under: General Science

Q:

The civilian award bestowed by the president of India to persons for rendering exceptional and distinguished service in any field is

A) Bharat Ratna	B) Padma Shri
C) Padma Vibhushan	D) Padma Bhushan

Answer & Explanation Answer: A) Bharat Ratna

Explanation:

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Filed Under: General Awareness

Q:

Which one of the following rivers is recharged by subsoil water?

A) Godavari	B) Damodar
C) Narmada	D) Krishna

Answer & Explanation Answer: C) Narmada

Explanation:

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Filed Under: General Awareness

Q:

Africa is seperated from Europe by

A) Red Sea	B) Mediterranean Sea
C) Atlantic Ocean	D) Persian Gulf

Answer & Explanation Answer: B) Mediterranean Sea

Explanation:

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Filed Under: General Awareness

Q:

I. Importance of Yoga and exercise is being realized by all sections of the society.

II. There is an increasing awareness about health in the society particularly among middle ages group of people.

A) Statement I is the cause and statement II is its effect.	B) Statement II is the cause and statement I is its effect.
C) Both the statements I and II are independent causes.	D) Both the statements I and II are effects of some common cause.

Answer & Explanation Answer: B) Statement II is the cause and statement I is its effect.

Explanation:

As the awareness about health in the society is increasing particularly among middle-aged group of people, the importance of Yoga and exercise is being realized by all sections of the society.

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Filed Under: Cause and Effect Reasoning

Q:

Duty free technology parks where foreign firms can manufacture electronic hardware components are proposed to be established at various places in the country.

Courses of Action:

I. Government should immediately implement the proposal to augment the foreign currency reserve by exporting the products.

II. Government should not implement the proposal as it will hinder indigenous production of hardware components.

A) Only I follows	B) Only II follows
C) Neither I nor II follows	D) Both I and II follow

Answer & Explanation Answer: A) Only I follows

Explanation:

The step discussed in the statement would surely give a boost to hardware industry and help our country to stand apart in this field. Thus, only I follows.

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Filed Under: Statement and Courses of Action

Q:

It is necessary to adopt suitable measures to prevent repetition of bad debts by learning from the past experiences of mounting non-performing assets of banks.

Courses of Action:

I. Before granting loan to customers their eligibility for loan should be evaluated strictly.

II.To ensure the payment of instalments of loan, the work, for which loan was granted, should be supervised minutely on regular basis.

A) Only I follows	B) Only II follows
C) Neither I nor II follows	D) Both I and II follow

Answer & Explanation Answer: D) Both I and II follow

Explanation:

To ensure that debts taken are repaid promptly, the customer's requirements and future prospects ought to be studied and their work constantly checked. Thus, both the courses follow.

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Filed Under: Statement and Courses of Action

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