Aptitude Discussion

Q. |
When 75% of a two-digit number is added to it, the digits of the number are reversed. Find the ratio of the unit's digit to the ten's digit in the original number. |

✖ A. |
1:2 |

✖ B. |
1:4 |

✔ C. |
2:1 |

✖ D. |
3:2 |

**Solution:**

Option(**C**) is correct

Suppose the number is $xy$

we have, $10x+y +\dfrac {75}{100} × (10x+y) = 10y+x$

Hence $\dfrac{y}{x} = \dfrac{2}{1}$

**Harsheen**

*()
*

**Ravish**

*()
*

the answer is given as per the reversed number

How to solve it ???