Exams Questions and Answers

Q:

Which of the following virus overtake computer system, when it boots and destroy information ?

A) System infectors	B) Trojan
C) Stealth virus	D) Boot infectors

Answer & Explanation Answer: C) Stealth virus

Explanation:

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

51 16050

Q:

The ratio of Pens and Pencils in a shop is 3 : 2 respectively. The average number of Pens and Pencils is 180. What is the number of Pencils in the shop?

A) 444	B) 344
C) 244	D) 144

Answer & Explanation Answer: D) 144

Explanation:

Given ratio of pens and pencils = 3 :2

Number of Pens = 3x

Number of Pencils = 2x

Average number of pencils & Pens = $\frac{3 x + 2 x}{2} =$ 180

5x = 360

=> x = 72

Hence, the number of pencils = 2x = 72 x 2 = 144.

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Filed Under: Ratios and Proportions
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

36 16037

Q:

Which of the following terms follows the trend of the given list?

XXXXXXYY, XXXXXYXY, XXXXYXXY, XXXYXXXY, XXYXXXXY, _______________.

A) YXXXXXXY	B) XXXXXXYY
C) XYXXXXXY	D) XXXXXYXY

Answer & Explanation Answer: C) XYXXXXXY

Explanation:

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

1 16027

Q:

What value should come in place of the question mark (?) in the following question?

${(?)}^{2} % of 650 = {(20)}^{2} + 4^{2}$

A) 8	B) 64
C) 8	D) 642

Answer & Explanation Answer: A) 8

Explanation:

$?^{2} = \frac{400 + 16}{650} x 100 ? = 8$

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

0 16024

Q:

Find the total surface area (in cm2) of a right circular cylinder of diameter 7 cm and height 6 cm.

A) 187	B) 209
C) 163	D) 149

Answer & Explanation Answer: B) 209

Explanation:

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 16022

Q:

Select the related word/letters/numbers from the given alternatives:

27:125 :: 64:?

A) 162	B) 216
C) 273	D) 514

Answer & Explanation Answer: B) 216

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

1 16012

Q:

The least number that must be subtracted from 7577 to get a perfect square is

A) 7	B) 6
C) 5	D) 8

Answer & Explanation Answer: D) 8

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

4 16002

Q:

Amit can do a piece of work in 45 days, but Bharath can do the same work in 5 days less, than Amit, when working alone. Amit and Bharath both started the work together but Bharath left after some days and Amit finished the remaining work in 56 days with half of his efficiency but he did the work with Bharath with his complete efficiency. For how many days they had worked together?

A) 6	B) 8
C) 9	D) 12

Answer & Explanation Answer: B) 8

Explanation:

$\begin{matrix} A m i t & B h a r a t \\ N o . o f D a y s & 45 & 40 \\ E f f i c i e n c y & 2.22 P e r c e n t (= \frac{1}{45}) & 2.5 P e r c e n t (= \frac{1}{40}) \end{matrix}$

Amit did the work in 56 days = $56 \times \frac{1}{45 \times 2} = \frac{28}{45}$

Therefore, Rest work 17/45 was done by Amit and Bharath = $\frac{\frac{17}{45}}{\frac{17}{360}}$ = 8 days

( since Amit and Bharath do the work in one day = $\frac{1}{45} + \frac{1}{40} = \frac{17}{360}$ )

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

30 15999

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