[" the number."],[" Q.31.Points A and B are 90km apart from each other on a highway.A car starts from A and "],[" another from B at the same time.If they go in the same direction.they meet in 9hours and "],[" if they go in opposite directions,they meet in 9/7hours.Find their speeds."]

Point A and B are 90km apart from each other on a highway.A car starts from A and another from B at the same time.If they go in the same direction they meet in 9 hours and if they go in opposite directions they meet in 9/7 hours. Find their speeds.

Point A and B are 90 km apart from each other on a highway. A car starts from A and another from B at the same time. If they go in the same direction they meet in 9 hours and if they go in opposite directions they meet in 9/7 hours. Find their speeds.

Points A and B are 90 km apart from each other on a highway. A car starts from A and another from B at the same time. If they go in the same direction they meet in 9 hours and if they go in opposite direction they meet in 9/7 hours. Find their speeds.

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : Points A and B are 90 km apart from each other on a highway. A car starts from A and another from B at the same time. If they go in the same direction they meet in 9 hours and if they go in opposite direction they meet in 9/7 hours. Find their speeds.

places A and B are 80km apart from each other on a highway.A car starts from A and other from B at the same time.If they move in the same direction,they meet in 8 hours and if they move in opposite directions,they meet in 1 hour and 20 minutes.Find the speed of the cars.

places A and B are 80 km apart from each other on a highway. A car starts from A and other from B at the same time. If they move in the same direction, they meet in 8 hours and if they move in opposite directions, they meet in 1 hour and 20 minutes. Find the speed of the cars.

A and B are two points of 150 km apart on a highway. A car starts from A and another from B at the same time. If they move in the same direction, they meet in 15 hours, but if they move in opposite direction, they meet in one hour. Find their speeds.

Two places 'A' and 'B' are 120 km apart from each other on a highway .A car starts from 'A' and another from 'B' at the same time . If they move in the same direction , they meet in 6 hours and it they move in opposite direction , they meet in 1 hour and 12 minutes .Find the speed of each car .

Places P_(1)" and "P_(2) are 250 km apart from each other on a national high way. A car starts from P_(1) and another from P_(2) at the same time. If they go in the same direction then they meet in 5 hours. If they go in opposite directions they meet in 25/13 hours. Find their speeds.

Places M and N are 90 km apart from each other on a national highway. A truck starts from M and another from N at the same time. If they go in the same direction, then they meet in 9 hours and if they go in opposite directions, they meet in 9/7 hours. The speed of the trucks are O 90 km/hr, 40 km/hr O 40 km/hr, 30 km/hr O 20 km/hr, 60 km/hr O 50 km/hr, 12 km/hr