Q:

Blotting paper absorbs ink due to

A) Capillary action phenomenon	B) Diffusion of ink through the blotting
C) Siphon action	D) Viscosity of ink

Answer & Explanation Answer: A) Capillary action phenomenon

Explanation:

Blotting paper absorbs ink by the process of capillary action. The capillary action is based on the property of surface tension of liquid.

All unsized paper will absorb water. Blotting paper is not sized and made bulkier to provide capillary action for faster absorption of liquid.

Blotting paper has also been sold as a cosmetic to aid in the removal of skin oils and makeup.

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Q:

Rearrange the parts of the sentence in correct order.

To begin with,

P-is not that they are 'unsmart'
Q-the problem with Indian cities
R-but that they are dysfunctional

A) RPQ	B) QRP
C) QPR	D) PRQ

Answer & Explanation Answer: C) QPR

Explanation:

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Q:

Which of the following is correctly matched?

A) Lonar - Madhya Pradesh	B) Nakki - Gujarat
C) Kolleru - Andhra Pradesh	D) Pulicat - Kerala

Answer & Explanation Answer: C) Kolleru - Andhra Pradesh

Explanation:

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Q:

Silviculture is the branch of botany in which we study about

A) Culture of algae	B) Development of forest
C) Culture of fungi	D) Silciphida plant

Answer & Explanation Answer: B) Development of forest

Explanation:

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Q:

Improve the bracketed part of the sentence.

The teacher said, "It is time that your daughter (has learned) how to write."

A) learned	B) had learnt
C) learnt	D) no improvement

Answer & Explanation Answer: C) learnt

Explanation:

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Q:

Which of the following has a highest wind velocity ?

A) Loo	B) Tornado
C) Typhoon	D) Hurricane

Answer & Explanation Answer: B) Tornado

Explanation:

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Q:

Which of the following is the strongest acid?

A) ClCH2COOH	B) BrCH2COOH
C) FCH2COOH	D) ICH2COOH

Answer & Explanation Answer: C) FCH2COOH

Explanation:

FCH₂COOH is the strongest acid out of all.

Since the electron withdrawing inductive effect (-I effect) of the halogens decreases in the order of F>Cl> Br> I , therefore the acidic strength of the α- halo acids decreases in the same order.

FCH₂COOH > ClCH₂COOH > BrCH₂COOH > ICH₂COOH.

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Q:

Can you arrange 9 numerals - 1, 2, 3, 4, 5, 6, 7, 8 and 9 [using each numeral just once] above and below a division line, to create a fraction equaling to 1/3 [one third]?

Answer

$\frac{5832}{17496}=\frac{1}{3}$

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Subject: Number Puzzles

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