Exams Questions and Answers

Q:

Two dice are rolled simultaneously. Find the probability of getting the sum of numbers on the on the two faces divisible by 3 or 4?

A) 3/7	B) 7/11
C) 5/9	D) 6/13

Answer & Explanation Answer: C) 5/9

Explanation:

Here n(S) = 6 x 6 = 36

E={(1,2),(1,5),(2,1),(2,4),(3,3),(3,6),(4,2),(4,5),(5,1),(5,4),(6,3) ,(6,6),(1,3),(2,2),(2,6),(3,1),(3,5), (4,4),(5,3),(6,2)}

=> n(E)=20

Required Probability n(P) = n(E)/n(S) = 20/36 = 5/9.

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Q:

Lucky started working 2 years ago. Her starting salary was half of Karthik's salary at that time. Each year since then Lucky and Karthik have received a rise of 10% in their respective salary. What percentage (to the nearest percent) of Karthik's current salary is Lucky's current salary ?

A) 75%	B) 22.5%
C) 35%	D) 50%

Answer & Explanation Answer: D) 50%

Explanation:

Let the salary of Karthik 2 years ago be Rs.100
So, Lucky's salary 2 years ago was Rs.50

Karthik's present salary has seen two 10 percent increases. So as Lucky's salary.

So, Karthik's salary 1 year ago = 100 + 10% of 100 = 100 + 10 = 110.
Karthik's present salary = 110 + 10% of 110 = 110 + 11 = 121.

Lucky's salary 1 year ago = 50 + 10% of 50 = 50 + 5 = 55
Lucky's present salary = 55 + 10% of 55 = 55 + 5.5 = 60.5

Lucky's present salary of 60.5 = 50% of Karthik's present salary of 121.

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Filed Under: Percentage
Exam Prep: CAT , Bank Exams , AIEEE
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Q:

Computer networks constituting the internet are connected by telephones, underwater cables and _____________

A) e-mail	B) e-books
C) Public telephone booths	D) Satellites

Answer & Explanation Answer: D) Satellites

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

Improve the bracketed part of the sentence.

The company hopes to eventually provide Singapore with the second-biggest electric car-sharing service in the world, (second to Paris only).

A) second only to Paris	B) second to only Paris
C) only second to Paris	D) No improvement

Answer & Explanation Answer: A) second only to Paris

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

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Q:

Improve the bracketed part of the sentence.

Each of our (trainee pay theirs) tuition fee at the beginning of the course.

A) trainees pay theirs	B) trainee pays theirs
C) trainees pays his	D) no improvement

Answer & Explanation Answer: C) trainees pays his

Explanation:

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Q:

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

Deep: Shallow::Ocean: _______

A) Pond	B) Depth
C) Well	D) Spring

Answer & Explanation Answer: A) Pond

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

Improve the given sentence if necessary.

This book is the more interesting of the three.

A) the interesting	B) the most interesting
C) most interesting	D) No improvement

Answer & Explanation Answer: C) most interesting

Explanation:

The more interesting’ needs to be replaced with ‘the most interesting’. This is because, when making comparison between two or more things, the superlative degree is used and not the comparative degree Thus, the correct formation would be, ‘This book is the most interesting of the three’.

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Filed Under: English
Exam Prep: Bank Exams

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Q:

Which of the following group is NOT Dobereiner Triads?

A) Li, Na, K	B) N, P Au
C) Cl, Br, I	D) Ca, Sr, Ba

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