Common Admission Test (CAT) Questions and Answers with Explanation

Q:

Simple interest on a certain sum at 7% per annum for 4 years is Rs. 2415. What will be the compound interest on the same principal at 4% per annum in two years?

A) Rs. 704	B) Rs. 854
C) Rs. 893	D) Rs. 914

Answer & Explanation Answer: A) Rs. 704

Explanation:

We know that,

$S . I . = \frac{PTR}{100} \Rightarrow P = \frac{S . I x 100}{T x R} And also, C . I = P [{(1 + \frac{R}{100})}^{n} - 1]$

From given data, P = Rs. 8625

Now, C.I = $8625 [{(1 + \frac{4}{100})}^{2} - 1] = 8625 [{(\frac{26}{25})}^{2} - 1] = 8625 [\frac{676}{625} - 1] = 8625 x \frac{51}{625} C . I = Rs . 703.80$

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Filed Under: Compound Interest
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Q:

The 2017 World Hydrography Day (WHD) is observed on which date ?

A) June 23	B) June 22
C) June 21	D) June 20

Answer & Explanation Answer: C) June 21

Explanation:

The World Hydrography Day (WHD) is observed every year on June 21 to publicise the work of hydrographers and to create awareness about hydrography which is an essential science before undertaking any activity on or under the sea. The 2017 theme is “Mapping our seas, oceans and waterways – more important than ever”.

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Filed Under: Important Days and Years
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Q:

The newly appointed adviser to Odsha government on public health programmes, K. Srinath Reddy is the receiver of which prestigious civilian award ?

A) Padma Vibushan	B) Padma Shri
C) Padma Bhushan	D) Bharat Ratna

Answer & Explanation Answer: C) Padma Bhushan

Explanation:

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Filed Under: Honours and Awards
Exam Prep: Bank Exams , CAT
Job Role: Bank PO

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Q:

It is 3 in the morning, you’re sleeping and you hear the doorbell. It’s your parents who show up for a surprise visit for breakfast. You’ve got the strawberry jam, honey, bread and cheese.
What do you open first?

A) open your door	B) open your mouth
C) open the fridge	D) open your eyes

Answer & Explanation Answer: D) open your eyes

Explanation:

As you were asleep, none of the things could have happened without doing "open your eyes" first.

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Filed Under: Logic Puzzles
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Q:

Choose the synonym of 'Maelstrom' from the following given words ?

A) Congregation	B) Thunder
C) Miracle	D) Turmoil

Answer & Explanation Answer: D) Turmoil

Explanation:

'Maelstrom' refers to a violent and confused state. The word closest in meaning would be 'turmoil', which also means a state of great disturbance.

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Filed Under: Analogy
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Q:

If rupee two produces rupees eleven over a period of 30 years, find the rate of simple interest ?

A) 17.25 %	B) 18.14 %
C) 18.33 %	D) 17.35 %

Answer & Explanation Answer: C) 18.33 %

Explanation:

We know that I = PTR/100

11 = (2x30xR)/100

R = 18.333 %

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Filed Under: Simple Interest
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Q:

Group the given figures into three classes using each figure only once.

9_(1)1484718122.png image

A) 1,5,9 ; 2,7,8 ; 3,4,6	B) 2,4,9 ; 6,7,8 ; 1,3,5
C) 3,7,8 ; 4,5,9 ; 1,2,6	D) 1,5,6 ; 4,7,8 ; 2,3,9

Answer & Explanation Answer: B) 2,4,9 ; 6,7,8 ; 1,3,5

Explanation:

2, 4, 9 have two similar elements intersecting each other.
6, 7, 8 have two different elements one placed inside the other.
1, 3, 5 have two different elements intersecting each other.

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Filed Under: Grouping of Images
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Q:

Who has become the Asia's richest man according to Forbes report ?

A) Azim Premji	B) Tadashi Yanai
C) Shiv Nadar	D) Hui Ka Yan

Answer & Explanation Answer: D) Hui Ka Yan

Explanation:

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Filed Under: Famous Personalities
Exam Prep: Bank Exams , CAT
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