Multiple choice

Reena is twice as old as suneeta . Three years ago she was three times as old as suneeta. The present age of Reena is .

  1. 6

  2. 7

  3. 8

  4. 12
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let S be Suneeta's age and R be Reena's age. R = 2S. Three years ago: R-3 = 3(S-3). Substitute R=2S: 2S-3 = 3S-9. S = 6. Reena's age R = 2*6 = 12.

AI explanation

Let Suneeta's present age be s, making Reena's present age 2s. Three years ago, Suneeta was s - 3 and Reena was 2s - 3, and the problem states that 2s - 3 equals 3 times s - 3. Expanding and solving this linear equation gives 2s - 3 = 3s minus 9, which simplifies to s = 6. Therefore, Suneeta is 6 years old, making Reena 2 times 6, which equals 12.

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