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# Tutor profile: Wannes V.

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Wannes V.
Tutor for 2+ years on Analytical and business subjects
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## Questions

### Subject:GRE

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Question:

"The __________ allotment of a different and bigger plot by the government in favour of the allottee without any advertisement, when initially advertisement was resorted to and then it was given up and everything was rushed through in hot haste, ... a) impugned b) paean c) rejuvenation d) prodigious

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Wannes V.

Answer: "a) Impuned, as the essence of the sentence, brings into question the validity of the government's decision, given the turn of events, as mentioned. "Impunity" by definition indicates that. This is a relatively straightforward - Linear sentence completion question, you might encounter in the GRE verbal section

### Subject:Basic Math

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Question:

A man covers a distance of 600m in 2min 30sec. What will be the speed in km/hr?

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Wannes V.

Speed =Distance / Time ⇒ Distance covered = 600m, Time taken = 2min 30sec = 150sec Therefore, Speed= 600 / 150 = 4 m/sec ⇒ 4m/sec = (4*18/5) km/hr = 14.4 km/ hr.

### Subject:Calculus

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Question:

Let \$\$f(x) = x^ (3/2) - x / (3x - x^ (1/2) ) \$\$ Then \$\$ f'(4) = 9/a, where \$\$ a=?

Inactive
Wannes V.

\$\$ f'(x) = (2/3 x^(1/2) - 1) / (3 - 1/2 x^(-1/2) ) ==> f'(4) =1/6 = 9/a => a=54 \$\$

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