Join ExamsbookAnswer : 2. "35 years"
The difference between the ages of two persons is 10 years. Fifteen years ago, the elder one was twice as old as the younger one. The present age of the elder person is:5
Q: The difference between the ages of two persons is 10 years. Fifteen years ago, the elder one was twice as old as the younger one. The present age of the elder person is:
- 130 yearsfalse
- 235 yearstrue
- 340 yearsfalse
- 445 yearsfalse
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Answer : 2. "35 years"
Explanation :
Let their ages be x years and (x+10) years respectively. Then, (x+10)-15=2(x-15)⇔x-5=2x-30⇔x=25
so that present age of elder person=(x+10)=35 years