जॉइन Examsbookउत्तर :
Ten years ago, A was half of B in age. If the ratio of their present ages is 3:4, then what will be the total of their present ages?5
प्र: Ten years ago, A was half of B in age. If the ratio of their present ages is 3:4, then what will be the total of their present ages?
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उत्तर :
व्याख्या :
Let A's age 10 years ago be x years . Then B's age 10 years ago be 2x years Total of their present ages = x + 10 + 2x + 10 = 3x+20 = 3 * 5 + 20 = 35 years
समान प्रश्न
Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.