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Data Sufficiency

Important Instructions
51.

What is Suman's rank from the top in a class of forty students ?

Statements:

1. Suman is 3 ranks below Deepak from the top.

2. Deepak's rank from the bottom is 23.

3. Suman is 3 ranks above Deepak from the bottom.

Answer: D

From 2, we conclude that in a class of 40, Deepak ranks 23rd from the bottom i.e. 18th from the top.

From 1 and 2, we find that Suman is 3 ranks below 18th rank from the top i.e. she ranks 21st from the top.

From 2 and 3, we find that Suman is 3 ranks above 23rd rank from the bottom

i.e. she ranks 20th from the bottom or 21st from the top.

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52.

What is the colour of the fresh grass ?

Statements:

1. Blue is called green, red is called orange, orange is called yellow.

2. Yellow is called white, white is called black, green is called brown and brown is called purple.

Answer: B

The colour of fresh grass is 'green' and as given in II, 'green' is called 'brown'. So, the colour of fresh grass is 'brown'.

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53.

Which direction is Sunny facing now ?

Statements:

1. If Sunny turns to his right and again turns to his right, he will be facing North.

2. If Sunny walks some distance and turns left and again walks some distance, then his face will be towards left of Dinesh who is facing South.

Answer: D

From 1, we conclude that Sunny is facing South, since a person facing South shall face North on turning to his right, twice.

From 2, we know that after walking, Sunny shall face towards left of Dinesh facing South i.e. East and a person walking southwards shall face East on turning to 'his left.

Thus, Sunny is facing South.

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54.

In which year was Sanjay born ?

Statements:

1. Sanjay is six years older than Gopal.

2. Gopal's brother was born in 1982.

3. Sanjay's brother is two years younger than Gopal's brother who was eight years younger than Gopal.

Answer: D

From 2, we know that Copal's brother was born in 1982.

From 3, we find that Gopal's brother was 8 years younger to him i.e. Gopal was born in 1974.

From 1, we find that Sanjay is 6 years older than Gopal. Thus, Sanjay was born in 1968.

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55.

In which year was Rahul born ?

Statements:

1. Rahul at present is 25 years younger to his mother.

2. Rahul's brother, who was born in 1964, is 35 years younger to his mother.

Answer: D

From both 1 and 2, we find that Rahul is (35 - 25) = 10 years older than his brother, who was born in 1964. So, Rahul was born in 1954.

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56.

What does 'nip' stand for in a code language ?

Statements:

1. In the code language, 'that is very beautiful' is written as 'se nip sre num'

2. In the same code language, 'my house is beautiful' is written as 'nip sto sre tip'.

Answer: D

In 1 and 2, the common codes are 'nip' and 'sre' and the common words are 'is' and 'beautiful' So, 'nip' and 'sre' are the codes for 'is' and 'beautiful'. But, the exact word for 'nip' cannot be found out.

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57.

What is the code for 'is' in the code language ?

Statements:

1. In the code language, 'shi tu ke' means 'pen is blue'.

2. In the same code language, 'ke si re' means 'this is wonderful'.

Answer: D

In 1 and 2, the common word is 'is' and the common code word is 'ke'. So, 'ke' is the code for 'is'.

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58.

Among M, N, D, P and K, who earns more than only the least earner among them ?

Statements:

1. N earns more than M and P but less than only D.

2. M earns more than P who earns less than K.

Answer: D

From 1, we have: N > M, N > P, D > N. Thus, we have: D > N > M > P or D>N> P>M.

But, from 2, M earns more than P i.e. D > N > M > P. Also, since P earns less than K and N earns less than only D, so we have: D>N>K>M>P or D>N>M> K > P.

Hence, either K or M earns more than only the least earner i.e. P.

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59.

How many pages of book X did Robert read on Sunday ?

Statements:

1.The book has 300 pages out of which two-thirds were read by him before Sunday.

2. Robert read the last 40 pages of the book on the morning of Monday.

Answer: D

From 1 and 2, we find that Robert read (300 x 2/3) i.e. 200 pages before Sunday and the last 40 pages on Monday.

This means that he read [300 - (200 + 40)] i.e. 60 pages on Sunday.

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60.

How many New Year's greeting cards were sold this year in your shop ?

Statements:

1. Last year 2935 cards were sold.

2. The number of cards sold this year was 1.2 times that of last year.

Answer: D

From both 1 and 2, we find that the number of cards sold this year = (2935 x 1.2) = 3522.

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