Multiple choice

The questions given below contain two statements giving certain data. You have to decide whether the data given in the statements are sufficient for answering the question ? What is the difference between the present age of Radha and Preeti? (I) 6 years ago, the ratio between age of Preeti and Radha was 4:1. (II) The ratio between the present age of Radha and Preeti is 2:5.

  1. If statement I alone is sufficient but statement II alone is not sufficient.

  2. If statement II alone is sufficient but statement I alone is not sufficient.

  3. If each statement alone (either I or II) is sufficient.

  4. If statement I and II together are not sufficient.

  5. If both statement together are sufficient, but neither statement alone is sufficient.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Let Radha's present age=R, Preeti's present age=P. From I: (P-6)/(R-6)=4/1, so P-6=4(R-6), P=4R-18. From II: R/P=2/5, so 5R=2P, P=2.5R. Combining: 2.5R=4R-18, 1.5R=18, R=12, P=30. Difference=30-12=18. Both statements together are necessary.

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