Volume & Surface Area Questions and Answers
Practice ModeShowing 10 of 99 questions
Q81
A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?
Answer: Option B
Q82
A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:
Answer: Option D
Q83
A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?
Answer: Option C
Q84
What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?
Answer: Option A
Q85
The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?
Answer: Option B
Q86
The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?
Answer: Option
Q87
A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?
Answer: Option D
Q88
A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:
Answer: Option C
Q89
In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:
Answer: Option B
Q90
A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:
Answer: Option C