Multiple choice

Two persons start from A and B, moving towards each other with speeds of 25 kmph and 49 kmph, respectively. After they cross each other, the person who started from B covers 145 km to reach A. What is the distance (in km) between A and B?

  1. 145 km

  2. 429.2 km

  3. 574.2 km

  4. Cannot be determined

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Marked price (MP) = 1.3 * CP. Selling price (SP) = 0.9 * MP = 0.9 * 1.3 * CP = 1.17 * CP. Given SP = 702, CP = 702 / 1.17 = 600.