Data Sufficiency Easy Questions and Answers

Data Sufficiency

Direction: Each of the questions below consist of a question and two statements numbered I and II are given below it. You have to decide whether the data provided in the statements are sufficient to answer the question, Read both the statements and answer the question.

On which day of the week did Sourav visit Delhi?
I. Sourav visited Delhi after Monday before but before Thursday but not on an odd day of the week
II. Sourav visited Delhi before Friday but after Monday.

1. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
1. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
1. if the data in Statement I alone or in Statement II alone are sufficient to answer the question.
1. if the data in both the Statement I and II are not sufficient to answer the question.
1. if the data in both the Statement I and II are sufficient to answer the question.

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From I: Saurav visited Delhi on Wednesday.
From II: He visited on Tue, wed or Thu.

Correct Option: A

From I: Saurav visited Delhi on Wednesday.
From II: He visited on Tue, wed or Thu.

What is R's position from the left end in a row ?
I. M is tenth from the left end of the row
II. there are sixteen children between M and R.

1. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
1. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
1. if the data in Statement I alone or in Statement II alone are sufficient to answer the question.
1. if the data in both the Statement I and II are not sufficient to answer the question.
1. if the data in both the Statement I and II are sufficient to answer the question.

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From I and II R's position = 10 + 16 + 1 = 27^th from left.

Correct Option: E

From I and II R's position = 10 + 16 + 1 = 27^th from left.

What is Suneeta's rank from the top in the class?
I. In the class of 42 children Suneeta is 29^th from the bottom.
II. Suneeta is ten ranks below Samir.

1. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
1. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
1. if the data in Statement I alone or in Statement II alone are sufficient to answer the question.
1. if the data in both the Statement I and II are not sufficient to answer the question.
1. if the data in both the Statement I and II are sufficient to answer the question.

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From I: Suresh rank = 42 - 29 + 1 = 14
From II : Since we don't know Samir's rank. we get nowhere

Correct Option: A

From I: Suresh rank = 42 - 29 + 1 = 14
From II : Since we don't know Samir's rank. we get nowhere

Direction: Each one of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and and answer the question

On which day was Yasir born?
(His data of birth is february 29)
I. He was born between years 2005 and 2011.
II. He will complete 4 years on February 29, 2012

1. if the data in statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
1. if the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
1. if the data either in statements I alone or in statement II alone are sufficient to answer the question; and
1. if the data given in both the statement I and II together are not sufficient to answer the question; and
1. if the data in both the statements I and II together are necessary to answer the question.

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Feb 29 can occur only in a leap year. 2008 happens to be the only leap years between 2005 and 2011. Hence Yesir was born on Feb 29, 2008. Using Calendar Method we can find out the day. Hence I is sufficient.
From II: Yasir was born on Feb 29, 2008 (2012 -4 =2008). hence II is also sufficient.

Correct Option: C

Feb 29 can occur only in a leap year. 2008 happens to be the only leap years between 2005 and 2011. Hence Yesir was born on Feb 29, 2008. Using Calendar Method we can find out the day. Hence I is sufficient.
From II: Yasir was born on Feb 29, 2008 (2012 -4 =2008). hence II is also sufficient.

Out of 64 students, 38 play both chess and crickets. How many students play only chess?
I. Out of 64 students, 22 students don't play any game. 4 student play only cricket.
II. Out of 64 students, 20 are girls and 10 of them don't play any game.

1. if the data in statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
1. if the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
1. if the data either in statements I alone or in statement II alone are sufficient to answer the question; and
1. if the data given in both the statement I and II together are not sufficient to answer the question; and
1. if the data in both the statements I and II together are necessary to answer the question.

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From I: 22 students don't play any game. Which means 64 - 22 =42 play either chess or cricket.Now, either chess or cricket = only chess + only cricket + Chess and Cricket or 42 = only chess = 0
From II; We don't get information about boys.Hence II is also sufficient.

Correct Option: A

From I: 22 students don't play any game. Which means 64 - 22 =42 play either chess or cricket.Now, either chess or cricket = only chess + only cricket + Chess and Cricket or 42 = only chess = 0
From II; We don't get information about boys.Hence II is also sufficient.

Data Sufficiency

Data Sufficiency

Data Interpretation

Correct Option: A

Correct Option: E

Correct Option: A

Correct Option: C

Correct Option: A