Practice Data Sufficiency

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Directions: Each of the questions below consists 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.

Question

Among P, Q, R, S and T each having different age. Who is the youngest among them?

Q is the younger than only P.
S is older than only R.

Statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

Statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

Statement I alone or in statement II alone are sufficient to answer the question.

Statements I and II together are not sufficient to answer the question.

Statements I and II together are necessary to answer the question.

From I: P is oldest and Q second oldest

From II: R is the youngest and S Second youngest.

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Question

What is R’s position from the left end in a row?

M is tenth from the left end of the row
There are sixteen children between M and R.

Statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

Statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

Statement I alone or in statement II alone are sufficient to answer the question.

Statements I and II together are not sufficient to answer the question.

Statements I and II together are necessary to answer the question.

From I and II: R’s position

= 10 + 16 + 1

= 27^th from left.

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Question

Amongst A, B, C, D, E and F, each are having a different height. Who is the shortest ?

C is shorter than only B.
A is taller than only D and F.

Statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

Statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

Statement I alone or in statement II alone are sufficient to answer the question.

Statements I and II together are not sufficient to answer the question.

Statements I and II together are necessary to answer the question.

Statement I gives us the two tallest persons. Hence it is not sufficient.

From II: either D or F is the shortest.

Hence II is also not sufficient.

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Question

Who amongst L, M, N, O and P is the shortest?

O is shorter than P but taller than N.
M is not as tall as L.

Statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

Statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

Statement I alone or in statement II alone are sufficient to answer the question.

Statements I and II together are not sufficient to answer the question.

Statements I and II together are necessary to answer the question.

From I: P > O > N

From II: L > M

From I and II, either M or N is the shortest.

We can’t determine who is shorter between the two of them.

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Question

How many brothers does Bharat have?

Shiela, the mother of Bharat, has only three children.
Meena, the grandmother of Bharat, has only one granddaughter.

Statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

Statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

Statement I alone or in statement II alone are sufficient to answer the question.

Statements I and II together are not sufficient to answer the question.

Statements I and II together are necessary to answer the question.

From I: Bharat has two siblings but we don’t know their sex.