Data Sufficiency section 5 MCQ Detailed Explanation And More Example

Question : 1

On which day of the week did Priya arrive?
I. Her sister, Anu, correctly remembers that she did not arrive on Monday.
II. Her friend, Bala, correctly remembers that she arrived before Friday.
III. Her mother correctly mentions that she arrived before Friday but after Tuesday.

a) Only I and III

b) Only II and III

c) Only I and II

d) All I, II and III

e) Data inadequate

Question : 2

Who among A, B, C, D and E was the first to reach the station?
(1) B reached earlier than E, A and C were not the first to reach.
(2) A reached earlier than both C and E, but could not reach earlier than D, who was at the station before B.
(3) C didn't reach just after A

a) only 2

b) only 2 and 3

c) only 1 and 2

d) all 1, 2 and 3

e) none of these

Question : 3

How many pages of the Book did Aruna read on Sunday ?
I. Aruna read the last 50 pages of the book on Monday morning
II. The book has 300 pages out of which two-thirds were read by Aruna before Sunday.
III. Aruna always read less pages in Monday compared to Wednesday.

a) Only I and III

b) Only I and II

c) Only I

d) Only II and III

e) Can't be determined