state gov MP Forest Guard and Jail Prahari Mock Test 2023 Quantitative Aptitude Ratio and Proportion Simple Ratios
If unit place digit and tenth place digit of a two-digit number are in the ratio 1 : 2 and the difference between the tenth-place digit and the unit place digit is 4. Find the ratio of the two-digit number and number obtained by interchanging two digits.
1
9 : 4
2
2 : 7
3
7 : 4
4
4 : 9