DXC Data Sufficiency Quiz 3

Answer: Both 1 and 2 are sufficient

Explanation -
From I, we have the order: Rose, -, Prakash, Qutub.
From II, we have the order: Prakash, Qutub, Tappu.
Clearly, each one of the above two orders indicates that Qutub is to the immediate right of Prakash.

Answer: Both 1 and 2 are sufficient

Explanation -
From I and II, we conclude that Anamika was born in February 2004 on a date which is an even prime number. Since the only even prime number is 2, Anamika was born on 2nd February, 2004.

Answer: Both 1 and 2 are sufficient

Explanation -
Bavik is A's brother, which means A is either brother or sister of Bhavik. Now, each one of I and II individually indicates that A is a female, which means that A is Bhavik's sister.

Answer: Either 1 or 2 is sufficient

Explanation -
From 8th to the left of 12th from the right is 20th from the right, so from I, we know that Vishal is 5th from left and 20th from right i.e. there are 4 children to the left and 19 to the right of Vishal. So, there are (4 + 1 + 19) i.e. 24 children in the row.
From II, Nikita is 7th from right and 18th from the left end of the row.
So, there are (6 + 1 + 17) = 24 children in the row.

Answer: 2 alone is sufficient

Explanation -
From I, total number of doctors in town = (1/700 x N) , where N = total number of residents in town. But, the value of N is not known.
From II, total number of doctors in town
= (Number of wards in town) x (Number of doctors in each ward)
= 16 x 16 = 256.

Answer: 2 alone is sufficient

Explanation -
I do not mention the day of the week on the birthday of either Arunav or Samar.
According to II, Samar's sister was born on Wednesday and Samar was born two days before Wednesday i.e. on Monday.

Answer: 1 and 2 are sufficient

Explanation -
From I and II, we find that Yash 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.

Answer: Both 1 and 2 are sufficient

Explanation -
From the two statements given in I, the code for the only common word 'beautiful' can be determined.
From the two statements given in II, the code for the only common word 'red' can be determined.
In I and II, the common words are 'rose and 'flower' and the common code words are 'te' and 'la'. So, the code for 'flower' is either 'te' or 'la'.

Answer: Both 1 and 2 are sufficient

Explanation -
From I, we know that the serials were screened on 23rd, 24th, 25th and 26th. Clearly, D was screened second i.e. on 24th, Wednesday. From II, we know that one serial was screened between A and B. So, A and B were screened first and third, i.e. on 23rd and 25th. But, A was not screened on 25th. So, A was screened on the 23rd and B on 25th. Thus, C was screened on 26th, Friday.

Answer: Either 1 or 2 is sufficient.

Explanation -
From I, we conclude that Harshada is the wife of Deshna's mother's only son i.e. Harshada's brother. Thus, Harshada is Deshna's sister-in-law.
From II, we conclude that Harshada is the cousin of Deshna's husband, which implies that Harshada is Deshna's sister-in-law.