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Q:

If the cost price of a certain object doubles, then the loss gets tripled of what it was initially. The initial loss % was ?

A) 0 %	B) 25 %
C) 75 %	D) 50 %

Answer & Explanation Answer: D) 50 %

Explanation:

Let the cost price be x and selling price be y.
Loss = x – y

When the cost price doubles, the loss gets tripled.
So it becomes like this, 2x – y = 3(x-y)

=> x = 2y

Loss % = (loss/ C.P) x 100 = [(2y-y)/2y] x 100= 50 %

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Filed Under: Profit and Loss
Exam Prep: CAT
Job Role: Bank PO

Q:

Find the unit digit of 4¹⁹⁸ + 6¹²³⁴⁵ + 348⁶⁶ + 24¹¹ + 1.

A) 3	B) 2
C) 1	D) 0

Answer & Explanation Answer: C) 1

Explanation:

Given that, $4^{198} + 6^{12345} + 348^{66} + 24^{11} + 1$

Now Power Cycle of

4 is 4, 6

6 is 6

8 is 8, 4, 2, 6

1 is 1

$4^{198}$ - 198 is even number , So the unit digit value is 6

$6^{12345}$ - It is always 6

$348^{66}$ - 66/4 the remainder is 2 , So the second value is 4

$24^{11}$ - 11 is odd number, So the unit digit value is 4

1 - It is always 1

Total = 21

Therefore, The unit digit is 1

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Filed Under: Numbers
Exam Prep: CAT
Job Role: Bank PO

Q:

In a palace, three different types of coins are there namely gold, silver and bronze. The number of gold, silver and bronze coins is 18000, 9600 and 3600 respectively. Find the minimum number of rooms required if in each room should give the same number of coins of the same type ?

A) 26	B) 24
C) 18	D) 12

Answer & Explanation Answer: A) 26

Explanation:

Gold coins = 18000 , Silver coins = 9600 , Bronze coins = 3600

Find a number which exactly divide all these numbers

That is HCF of 18000, 9600& 3600

All the value has 00 at end so the factor will also have 00.

HCF for 180, 96 & 36.

Factors of

180 = 3 x 3 x 5 x 2 x 2

96 = 2 x 2 x 2 x 2 x 2 x 3

36 = 2 x 2 x 3 x 3

Common factors are 2x2×3=12

Therefore, Actual HCF is 1200

Gold Coins 18000/1200 will be in 15 rooms

Silver Coins 9600/1200 will be in 8 rooms

Bronze Coins 3600/1200 will be in 3 rooms

Total rooms will be (15+8+3) = 26 rooms.

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Filed Under: HCF and LCM
Exam Prep: CAT
Job Role: Bank Clerk

Q:

A man is riding a bike with front and back wheel circumference of 40 inches and 70 inches respectively. If the man rides the bike on a straight road without slippage, how many inches will the man have travelled when the front wheel has made 15 revolutions more than the back wheel?

A) 1100	B) 1300
C) 1400	D) 1200

Answer & Explanation Answer: C) 1400

Explanation:

Given the ratio of the circumference of front wheel is 40 inches and back wheel is 70 inches.

Distance covered = Circumference of the wheel × No. of Revolutions made by the wheel

If n is the number of revolutions made by back wheel, the number of revolutions made by front wheel is n+15

Distance covered by both the wheels is the same

i.e, 40*(n+15)=70n

n=20

Front wheel : Back Wheel

Circumference 40 : 70

Revolutions 35 : 20

Distance covered : 40×35 = 70×20 = 1400 inches.

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Filed Under: Time and Distance
Exam Prep: CAT
Job Role: Bank PO

Q:

What is the antonym of "Censure" ?

A) commend	B) augment
C) enthral	D) reform

Answer & Explanation Answer: C) enthral

Explanation:

"Censure" means expressing formal disapproval. "Enthral" means spellbound or enchant, which is farthest in meaning to the given word.

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Filed Under: Analogy
Exam Prep: CAT
Job Role: Bank PO

Q:

Some mangoes are yellow.
Some tixo are mangoes.

Conclusions:
(i) Some mangoes are green.
(ii) Tixo is a yellow.

A) Only conclusion (i) follows	B) Only conclusion (ii) follows
C) Either (i) or (ii) follows	D) Neither (i) nor (ii) follows

Answer & Explanation Answer: D) Neither (i) nor (ii) follows

Explanation:

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Filed Under: Verification of Truth of the statement
Exam Prep: CAT
Job Role: Bank Clerk

Q:

Determine which of the given conclusions logically follows from the given statements, disregarding commonly known facts.

Statements:
Some actors are singers.
All the singers are dancers.

Conclusions:
(i) Some actors are dancers.
(ii) No singer is an actor.

A) Neither (i) nor (ii) follows	B) Either (i) or (ii) follows
C) Only conclusion (ii) follows	D) Only conclusion (i) follows

Answer & Explanation Answer: D) Only conclusion (i) follows

Explanation:

Some + All = Some

and the common word in two statements is Singers will not be used.

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Filed Under: Verification of Truth of the statement
Exam Prep: CAT
Job Role: Bank PO

Q:

In certain language, CHAMPION is coded as HCMAIPNO, how is NEGATIVE coded in that code ?

A) NEAGVEIT	B) ENAGITEV
C) MGAETVIE	D) EGAITEVN

Answer & Explanation Answer: B) ENAGITEV

Explanation:

The letters of the word are reversed in order, taking two at a time, to obtain the code.

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Filed Under: Coding and Decoding
Exam Prep: CAT
Job Role: Bank Clerk

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