Exams Questions and Answers

Q:

A certain sum is invested for 2 years in scheme M at 20% p.a. compound interest (compounded annually), Same sum is also invested for the same period in scheme N at k% p.a. simple interest. The interest earned from scheme M is twice of that earned from scheme N. What is the value of k?

A) 7	B) 11
C) 9	D) 13

Answer & Explanation Answer: B) 11

Explanation:

Interest earned in scheme M =

$P [{(1 + \frac{20}{100})}^{2} - 1] = \frac{11 P}{25}$

Interest earned in scheme N =

$\frac{P x k x 2}{100} = \frac{P k}{50}$

Now, from the given data,

$\frac{11 P}{25} = 2 x \frac{P k}{50}$

k = 11

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Filed Under: Compound Interest
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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20 3839

Q:

Who was the first englishman to sail around the world?

A) Magellan	B) Sir Francis Drake
C) Juan Sebastian Elcano	D) Henry Hudson

Answer & Explanation Answer: B) Sir Francis Drake

Explanation:

Sir Francis Drake was the first Englishman to sail around the world.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
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2 3838

Q:

If $a = \frac{\sqrt{5} + 1}{\sqrt{5} - 1} b = \frac{\sqrt{5} - 1}{\sqrt{5} + 1} t h e n f i n d t h e v a l u e o f [\frac{a^{2} + a b + b^{2}}{a^{2} - a b + b^{2}}] i s : :$

A) 3/4	B) 4/3
C) 3/5	D) 5/3

Answer & Explanation Answer: B) 4/3

Explanation:

By simplifying, we get 4/3

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Filed Under: Square Roots and Cube Roots
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7 3837

Q:

In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there ?

A) 205	B) 194
C) 209	D) 159

Answer & Explanation Answer: C) 209

Explanation:

We may have (1 boy and 3 girls)or(2boys and 2 girls)or(3 boys and 1 girl)or(4 boys).

Required number of ways = ( ${}^{6}C_{1} \times {}^{4}C_{3}$ ) + $({}^{6}C_{2} \times {}^{4}C_{2})$ + ( ${}^{6}C_{3} \times {}^{4}C_{1}$ ) + ( ${}^{6}C_{4}$ )

= (24+90+80+15)

= 209.

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Filed Under: Permutations and Combinations
Exam Prep: GATE , CAT , Bank Exams
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7 3836

Q:

Beautiful beaches attract people, no doubt about it. Just look at this city's beautiful beaches, which are among the most overcrowded beaches in the state.

Which of the following exhibits a pattern of reasoning most similar to the one exhibited in the argument above?

A) Moose and bear usually appear at the same drinking ...........hole at the same time of day. Therefore, moose and ...........bear must grow thirsty at about the same time.	B) During warm weather my dog suffers from fleas ...........more so than during cooler weather. Therefore, ...........fleas must thrive in a warm environment.
C) Both A and B	D) None

Answer & Explanation Answer: B) During warm weather my dog suffers from fleas ...........more so than during cooler weather. Therefore, ...........fleas must thrive in a warm environment.

Explanation:

From the above passage it is lear that , "During warm weather my dog suffers from fleas ...........more so than during cooler weather. Therefore, ...........fleas must thrive in a warm environment" will be true

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Filed Under: Deriving Conclusions From Passages
Exam Prep: GRE

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Q:

5th January 2018 was a Friday. Which of the following years will also have 5th January on a Friday?

A) 2022	B) 2020
C) 2024	D) 2023

Answer & Explanation Answer: C) 2024

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

15 3836

Q:

Who has released a book on the noted author and journalist Khushwant Singh titled 'Khushwant Singh: In Wisdom and in Jest' ?

A) Yogi Adityanath	B) Vijay Rupani
C) Shivraj Singh	D) Amarinder Singh

Answer & Explanation Answer: D) Amarinder Singh

Explanation:

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Filed Under: Books and Authors
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank PO

8 3833

Q:

Which of the following river empties into the Arabian Sea?

A) Ganga	B) Yamuna
C) Indus	D) Kaveri

Answer & Explanation Answer: C) Indus

Explanation:

The river which starts flowing from Himalayas on the North to southwards to empty in the Arabian sea is Indus River.

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Filed Under: Indian Geography
Exam Prep: Bank Exams , AIEEE , CAT
Job Role: Analyst , Bank PO

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