[" 3.A contracior plans io install two slides for the children to play in a park.For the children "],[" bclow the age of "5" ycars,she prefers to have a slidc whose top is at a hcight of "1.5m" .and "]

A contractor plans to install two slides for the children to play in a park.For the children below the age of 5 years,she prefers to have a slide whose top is at a height of 1.5m,and is inclined at an angle of 30^@ to the ground,whereas for elder children,she wants to have a steep slide at a height of 3 m,and inclined at an angle of 60^@ to the ground.What should be the length of the slide in each case?

A constractor plans to install two slides for the children to play in a park. For the children below the age of 5 years, she prefers to have a slide whose top is at a height of 1.5m, and is inclined at an angle of 30^(@) to the ground, whereas for elder children, she wants to have a steep slide at a height of 3m, and inclined at an angle of 60^(@) to the ground. What should be the length of the slide in each case ?

A contractor plans to install two slides for the children to play in a park. For the children below the age of 5 years, she prefers to have a slide whose top is at a height of 1.5 m, and is inclined at an angle of 30^@ to the ground, whereas for elder children, she wants to have a steep slide at a height of 3m, and inclined at an angle of 60^@ to the ground. What should be the length of the slide in each case?

A contractor plans to install two slides for the children to play in a park. For the children below the age of 5 years, she prefers to have a slide whose top is at a height of 1.5 m, and is inclined at an angle of 30^@ to the ground, whereas for elder children, she wants to have a steep slide at a height of 3m, and inclined at an angle of 60^@ to the ground. What should be the length of the slide in each case?

A contractor plants to install two slides for the children to play in a park. For the children below the age of 5 years, she prefers to have a slide whose top is at a height of 1.5 m, and is inclined at an angle of 30^@ to the ground, whereas for elder children, she wants to have a steep slide at a height of 3 m, and inclined at an angle of 60^@ to the ground. What should be the length of the slide in each case ?

A contractor plans to install two slides for the children to the play in a park. For the children below the age of 5 years, she prefers to have slide whose top is at a height of 1.5m, and is inclined at an angle of 30^(@) to the ground, whereas for elder children, she wants to have a steep slide at a height of 3m, and inclined at an angle of 60^(@) to the ground. What should be the length of the slide in each case ?

Directions (Questions 508 to 509): These questions are based on the following information: 85 children went to an amusement park where they could ride on merry-go-round, roller coaster and Ferris wheel. It was known that 20 of them took all the three rides and 55 of them have taken at least two of the three rides. Each ride costs Re 1, and the total receipt of the amusement park was Rs 145. How many children took exactly one ride? (a) 5 (b) 10 (c) 15 (d) 20