Exams Questions and Answers

Q:

If n is even, which of the following cannot be odd?

A) n+3	B) 2n
C) n+4	D) 3n

Answer & Explanation Answer: B) 2n

Explanation:

In case B, odd times even will give even

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Filed Under: Numbers
Exam Prep: GRE

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Q:

What prevents food from entering the windpipe?

A) Epiglottis	B) Pharynx
C) Trachea	D) Larynx

Answer & Explanation Answer: A) Epiglottis

Explanation:

Epiglottis is that prevents food from entering the windpipe.

It is a cartilageous flap that flaps opens and closes when swallowing. When you swallow, the epiglottis flattens backward to cover the entrance to your larynx and prevent food from entering the lungs and windpipe. The epiglottis returns to its usual position after swallowing.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

The Good Governance Day (GGD) is observed on which day in India?

A) December 22	B) December 25
C) December 21	D) December 24

Answer & Explanation Answer: B) December 25

Explanation:

The Good Governance Day (GGD) is observed every year in India on the eve of the birth anniversary of former Prime Minister Atal Bihari Vajpayee.

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Filed Under: General Awareness
Exam Prep: GATE
Job Role: Analyst

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Q:

Which of the following items was NOT exportable in the past Gupta period?

A) Iron	B) Gold
C) Tin	D) Silver

Answer & Explanation Answer: C) Tin

Explanation:

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Filed Under: Indian History
Exam Prep: Bank Exams

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Q:

ALU stands for in computer?

A) Automatic Logic Unit	B) Android Logic Unit
C) Arithmetic Logic Unit	D) None of the above

Answer & Explanation Answer: C) Arithmetic Logic Unit

Explanation:

alu_in_computer_is1551963521.jpg image

ALU in computer stands for Arithmetic Logic Unit.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer , Network Engineer

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Q:

Raghu can do a job in 12 days alone and Sam can do the same job in 15 days alone. A third person Aru whose efficiency is two-third of efficiency of both Ram and Shyam together, can do the same job in how many days alone?

A) 10	B) 12
C) 13	D) 15

Answer & Explanation Answer: A) 10

Explanation:

One day work of Raghu and Sam together = 1/12 + 1/15 = 9/60 = 3/20

Aru efficiency = 2/3 of (Raghu + Sam)

Number of days required for Aru to do thw work alone = 3/2 x 20/3 = 10 days.

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Refer the below data table and answer the following question.

Labour and interest are what percent of total expenses?

A) 31.25 percent	B) 24 percent
C) 16.75 percent	D) 38.5 percent

Answer & Explanation Answer: A) 31.25 percent

Explanation:

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Filed Under: Table Charts
Exam Prep: Bank Exams

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Q:

5 sin(x)+ 12 cos(x) + r is always greater than or equal to zero. What is the smallest value satisfied by 'r' ?

A) -13	B) 11
C) 13	D) -11

Answer & Explanation Answer: C) 13

Explanation:

Given,

5sinx + 12cosx ≥ -r

$\Rightarrow 13 (\frac{5}{13} \sin x + \frac{12}{13} \cos x) \geq - r$ cosx) ≥ -r

$\frac{5}{13}$ = cosA => sinA = $\frac{12}{13}$

=> 13(sinx cosA + sinA cosx) ≥ -r

=> 13(sin(x + A)) ≥ -r

we know that , -1 ≤ sin (angle) ≤ 1

=> 13sin (x + A) ≥ -13 $\Rightarrow r_{m i n} = 13$

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Filed Under: Simplification
Exam Prep: CAT
Job Role: Bank PO

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