Q:

15% of an alloy was silver. If in a quantity of alloy there was 51 g of silver, what was the quantity of the other elements in the alloy?

A) 204 g	B) 340 g
C) 300 g	D) 289 g

Answer & Explanation Answer: D) 289 g

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P: And the victims are likely to be the poorest of the poor as well as the very sources of water- rivers, wetlands and aquifers.
Q: In India, water conflicts are likely to worsen before they begin to be resolved.
R: Till then they pose a significant threat to economic growth, security and health of the ecosystem.
S: Water is radically altering and affecting political boundaries all over world, between as well as within countries.

A) SQPR	B) PRQS
C) QRPS	D) PSQR

Answer & Explanation Answer: A) SQPR

Explanation:

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Filed Under: English
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Q:

Which one of the following statements is not correct?

A) When total utility is maximum, marginal utility is zero	B) When total utility is decreasing, marginal utility is negative
C) When total utility is increasing, marginal utility is positive	D) When total utility is maximum,marginal and average utility are equal to each other.

Answer & Explanation Answer: D) When total utility is maximum,marginal and average utility are equal to each other.

Explanation:

Total utility -It is total psychological satisfaction which a consumer derives from the consumption of a commodity is known as total utility

Marginal utility -It is anaddition made in total utility by consuming and additional unit of a commodity is known as marginal utility.

•When marginal utility is positive,total utility increases

•When marginal utility is zero,total utility is at maximum

•When marginal utility is negative,total utility decreases

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Filed Under: Indian Economy
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Q:

All isotopes of the same element have ____________

A) different atomic numbers and different atomic mass	B) different atomic numbers and the same atomic mass
C) the same atomic number but different atomic masses	D) the same atomic number and the atomic mass

Answer & Explanation Answer: C) the same atomic number but different atomic masses

Explanation:

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Filed Under: Chemistry

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Q:

Two or more elements combine to form a

A) atom	B) valency
C) compound	D) radical

Answer & Explanation Answer: C) compound

Explanation:

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Filed Under: Chemistry
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Q:

The functioning of a very old model pendulum clock was completely

A) Mechanical	B) Mechanical and electrical
C) Electrical	D) Battery operated

Answer & Explanation Answer: A) Mechanical

Explanation:

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Filed Under: Physics
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Q:

The method of soil conservation in which stones, grass, soil are used to build barriers along contours and trenches are made in front of the barriers to collect water is called?

A) Mulching	B) Contour barriers
C) Rock dam	D) Terrace farming

Answer & Explanation Answer: B) Contour barriers

Explanation:

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Filed Under: General Science
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Q:

Dakshin Gangotri is a research base station set up by Indian scientists. Where is it located?

A) Sundarbans Delta	B) Cauvery Basin
C) Sri Lanka	D) Antarctica

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