Home/Class 8/Maths/

Question and Answer

Which of the following is in direct proportion ?( )
A. One side of a cuboid and its volume.
B. Speed of a vehicle and the distance travelled in a fixed time interval.
C. Change in weight and height among individuals.
D. Number of pipes to fill a tank and the time required to fill the same tank.
loading
settings
Speed
00:00
03:11
fullscreen

Question

Which of the following is in direct proportion ?( )
A. One side of a cuboid and its volume.
B. Speed of a vehicle and the distance travelled in a fixed time interval.
C. Change in weight and height among individuals.
D. Number of pipes to fill a tank and the time required to fill the same tank.

Answer

B
To Keep Reading This Answer, Download the App
4.6
star pngstar pngstar pngstar pngstar png
Review from Google Play
To Keep Reading This Answer, Download the App
4.6
star pngstar pngstar pngstar pngstar png
Review from Google Play

Solution

We know that , distance \(=\) speed \(\times \) time.
For fixed time interval , distance \(\propto\) speed.
Thus for fixed time interval distance is directly proportional to speed.
Hence option \((B)\) is correct.
And remaininge all three option are Inverse proportion . 
To Keep Reading This Solution, Download the APP
4.6
star pngstar pngstar pngstar pngstar png
Review from Google Play
To Keep Reading This Solution, Download the APP
4.6
star pngstar pngstar pngstar pngstar png
Review from Google Play
Correct15
Incorrect0
Watch More Related Solutions
Is the following in factor form, completely expanded form or partially expanded form?
\((x+8)(x+9)+7x\)
Find H.C.F. of \(20pq^{2}\) and \(10p^{2}q^{3}\).
Amrita takes \(18\) hours to travel \(720\) kilometres. Time taken by her to travel \(360\) kilometres is ___.
If \(x\) and \(y\) are inversely proportional then ___ \(=k\) where \(k\) is positive constant.
Find H.C.F. of \(81x^{3}y^{3}\) and \(21xy\).
Side of a rhombus and its perimeter are in ___ proportion.
State whether the statement is true (T) or false (F):
When two quantities \(x\) and \(y\) are in inverse proportion, then \(\frac {x}{y}\) is a constant.___
Fill in the blank:
Rabi crops are sown in ___ season.
State whether the given statement is True or False.
If the cost of \(10\) pencils is \(Rs. 90\), then the cost of \(19\) pencils is \(Rs. 171\).___
Find H.C.F. of \(48xyz^{2}\) and \(3x^{2}y^{2}z^{2}\)

Load More