Practice30Create account

What is the present age of the father? Statement I: The father is 4 times as old as his son. Statement II: In 5 years the father will be 3 times as old as his son. Which statement is sufficient to answer?

Competition practiceData Sufficiency
  • AStatement II alone is sufficient but Statement I alone is not
  • BStatement I alone is sufficient but Statement II alone is not
  • CBoth statements together are needed (neither alone is sufficient)
  • DEither statement alone is sufficient

Step-by-Step Solution

Each statement alone is one equation in two unknowns. Together, F = 4S and F + 5 = 3(S + 5) give S = 10 and F = 40.
Answer: C) Both statements together are needed (neither 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

What is the two-digit number? Statement I: The number is a perfect square lying between…What is the value of the number N? Statement I: N is the smallest two-digit prime…What is the present age of Priya? Statement I: Priya is younger than her brother.…What is the two-digit number? Statement I: When its digits are reversed the number…Question: How is T related to W? Statement I: T is the father of W's mother. Statement…