Exams Questions and Answers

Q:

ΔDEF is right angled at E. If m∠F = 30 deg, then find the value of (cosD - 1/√2).

A) -1/2	B) (√6-1)/√3
C) (√2-2)/2√2	D) √3-2

Answer & Explanation Answer: C) (√2-2)/2√2

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0 47835

Q:

If $tanα = \sqrt{2} + 1$ , then the value of $tanα - cotα$ is

A) √2 - 1	B) 2√2
C) 2	D) 1

Answer & Explanation Answer: C) 2

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2 47814

Q:

Along the path of the vas deferens which glands add their secretions in the sperms?

I. Prostate

II. Seminal vesicles

III. Scrotum

A) Only I and III	B) Only I and II
C) Only II and III	D) All I, II and III

Answer & Explanation Answer: B) Only I and II

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Filed Under: Biology
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1 47791

Q:

Find the odd man out of the following number series?

22, 26, 42, 78, 142, 244

A) 244	B) 142
C) 78	D) 42

Answer & Explanation Answer: A) 244

Explanation:

The given number series 22, 26, 42, 78, 142, 244 follows a pattern that,

$22 22 + 2^{2} = 22 + 4 = 26 26 + 4^{2} = 26 + 16 = 42 42 + 6^{2} = 42 + 36 = 78 78 + 8^{2} = 78 + 64 = 142 142 + 10^{2} = 142 + 100 = 242$

Hence, the odd one in the given number series is 244.

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3 47749

Q:

If $\tan^{4} θ + \tan^{2} θ = 2$ , then $\sec^{4} θ - \sec^{2} θ = ?$

A) 0	B) 3
C) 2	D) 1

Answer & Explanation Answer: C) 2

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0 47742

Q:

$Sinθ Cos (90 - θ) + Cosθ Sin (90 - θ) =$

A) 1	B) 2
C) -1	D) 0

Answer & Explanation Answer: A) 1

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0 47681

Q:

Which bacterium is used to turn milk to curd?

A) Streptomyces	B) Vibrio
C) Lactobacillus	D) Spirilla

Answer & Explanation Answer: C) Lactobacillus

Explanation:

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Filed Under: Biology
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2 47678

Q:

Select the related word/letters/number from the given alternatives.

Brave : Coward : : Culprit : ?

A) Hungry	B) Innocent
C) Accused	D) Indicted

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