Exams Questions and Answers

Q:

Which of the following is NOT a property of bases?

A) They react with acids and neutralise them	B) They turn red litmus blue
C) They turn blue litmus red	D) They have bitter taste

Answer & Explanation Answer: C) They turn blue litmus red

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams

106 247179

Q:

Choose the correct verb form from those in brackets.

The earth _ round the sun.

A) moves	B) moved
C) move	D) None of the above

Answer & Explanation Answer: A) moves

Explanation:

The earth moves round the sun.

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

58 218710

Q:

If the length of the diagonal of a square is 20cm,then its perimeter must be

a. $40 \sqrt{2}$ cm b. $30 \sqrt{2}$ cm c. 10cm d. 15 $\sqrt{2}$ cm

A) a	B) b
C) c	D) d

Answer & Explanation Answer: A) a

Explanation:

We know that d=√2s

Given diagonal = 20 cm

=> s = 20/ $\sqrt{2}$ cm

Therefore, perimeter of the square is 4s = 4 x 20/ $\sqrt{2}$ = 40 $\sqrt{2}$ cm.

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

83 216201

Q:

Rearrange the parts of the sentence in correct order.

Sociologists believe

P : that the reason why honour killings

Q : of the continued rigidity of the caste system

R : continue to take place is because

A) PRQ	B) RQP
C) QRP	D) PQR

Answer & Explanation Answer: A) PRQ

Explanation:

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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

23 208602

Q:

A problem is given to three students whose chances of solving it are 1/2, 1/3 and 1/4 respectively. What is the probability that the problem will be solved?

A) 1/4	B) 1/2
C) 3/4	D) 7/12

Answer & Explanation Answer: C) 3/4

Explanation:

Let A, B, C be the respective events of solving the problem and $A, B, C$ be the respective events of not solving the problem. Then A, B, C are independent event

$∴ A, B, C$ are independent events

Now, P(A) = 1/2 , P(B) = 1/3 and P(C)=1/4

$P (A) = \frac{1}{2}, P (B) = \frac{2}{3}, P (C) = \frac{3}{4}$

$∴$ P( none solves the problem) = P(not A) and (not B) and (not C)

= $P (A \cap B \cap C)$

= $P (A) P (B) P (C)$ $[∵ A, B, C a r e I n d e p e n d e n t]$

= $\frac{1}{2} \times \frac{2}{3} \times \frac{3}{4}$

= $\frac{1}{4}$

Hence, P(the problem will be solved) = 1 - P(none solves the problem)

= $1 - \frac{1}{4}$ = 3/4

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

1017 207820

Q:

25% of 25% Is Equal To

A) 0.0625	B) 0.0210
C) 0.03145	D) 0.3210

Answer & Explanation Answer: A) 0.0625

Explanation:

25% of 25% means

25/100 of 25/100

i.e, 1/4 of 1/4

or in other words 1/4 x 1/4=1/16

Hence, the answer is 1/16 = 0.0625.

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Filed Under: Percentage
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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74 199374

Q:

What should come next in the following letter sequence?

A A B A B C A B C D A B C D E A B C D

A) A	B) E
C) C	D) B

Answer & Explanation Answer: B) E

Explanation:

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Filed Under: Alphabet Test
Exam Prep: Bank Exams
Job Role: Bank PO

664 198819

Q:

Consider the following information and answer the questions based on it.

Out of 60 people in a colony, 10 speak only Bengali, 5 speak only Assamese, 10 speak both Hindi and Odia, 12 speak both Marathi and Hindi, 13 speak English, Tamil and Marathi, 5 speak both Assamese and Hindi and the remaining speak both Bengali and Hindi.

In all, how many people speak Hindi?

A) 22	B) 27
C) 32	D) 45

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