Question

An electronic gadget produce light after 15 minutes where as electronic rod gives light after 20 minutes they produce like together at 12:00 a.m. at what time will they produce light together

Answer 1

Step-by-step explanation:

• two trains of lengths 300m and 400m moving in opposite directions started
• crossing each other. at exactly the same moment a person standing inside the first
• train, at its end, started walking towards its
• engine at 5km/hr. if the speeds of the first and the second train are 50km/hr and
• 35km/hr respectively, then how much time

1. after the trains started crossing each other
2. did the second Evan is painting his model
3. train. the train has 5 cubes joined together.

• the cost to paint the train is 1cm2=$0.75.
• how much does it cost to paint the train? cross the man walking the first train?