Practice30Create account

What is the value of X? Statement I: X squared equals 49 and X is positive. Statement II: X equals the number of days in a week.

Competition practiceData Sufficiency
  • ABoth statements together are needed (neither alone is sufficient)
  • BEither statement alone is sufficient
  • CStatement I alone is sufficient but Statement II alone is not
  • DStatement II alone is sufficient but Statement I alone is not

Step-by-Step Solution

I gives the positive root X = 7; II gives 7 days in a week, so each statement alone fixes X = 7.
Answer: B) Either statement alone is sufficient

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Data Sufficiency practice questions

More Data Sufficiency practice

How is P related to Q? Statement I: P is the son of Q's mother. Statement II: Q is the…How is P related to T? Statement I: P is the brother of Q. Statement II: Q is the…How is Kamal related to Rohit? Statement I: Kamal's wife is the only daughter of Rohit's…How is Neha related to Mohan? Statement I: Neha is one of the two grandchildren of…How is G related to H? Statement I: G is the brother of H's wife. Statement II: G plays…