Correct Answers: | |
Wrong Answers: | |
Unattempted: |
Question 1
When a weight W kg. is kept on a 6 m × 3 m boat floating over a lake, it sinks by 2 cm. What is W, if the density of water is 1000 kg/cu. m?
Question 2
A room has a floor size of 5 × 41 sq. m. What is the height of the room if the sum of the areas of the base and roof is equal to the sum of the areas of the four walls?
$4{21/46}$ m.
$5{26/45}$ m.
$3{5/16}$ m.
$7{7/48}$ m.
Ans: a
Let h be the height, and l and b be the length and breadth. We are given lb + lb = lh + hb + lh + hb. Combining the terms and cancelling 2, we get lb = h(l + b), which gives h = ${lb}/{l + b}$ = ${5 × 41}/{5 + 41}$ = ${205/46}$, which is same as: $4{21/46}$ m.
Question 3
The ratio of surface area to the volume of a cuboids is 5 : 1, and the sum of reciprocals of two edges is 34, what is the reciprocal of the third edge?
Question 4
What is the length of a 10 mm wire that has been drawn out of a lump of 22 cu. cm. tin? Take π = 22/7.
Question 5
How many boxes measuring 1 m × 1m × 1 m should be dropped into a water tank 7 m × 4 m so that the water level rises by 1 m?
More Chapters | See All...
Ratio and Proportion | Statements and Assumptions | Stocks and Shares | abba Series | HCF and LCM | Probability | Hidden Figures | Direction Sense Test | Inequalities | Distance and Time | More...
This Blog Post/Article "Volume and Surface Areas Quiz Set 002" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2020-02-07. Published on: 2016-05-11