Subject :NSO Class : Class 4
Mr Wadhera thought that his garden dried out most quickly when it was hot and windy. He decided to investigate. He watered his dry garden on four different mornings for 10 min at 8 am using the same amount of water.
What should be the weather conditions for four subsequent days to get a fair test?
A (i), (ii), (v) and (vi) only
B (i), (ii), (iii) and (iv) only
C (iii), (iv), (v) and (vi) only
D (i), (iii), (v) and (vi) only
explain
Ans 1:
Class : Class 6
So, for an experiment you need multiple values for comparison. This question states that the experiment is to be carried out for four days, meaning that you need to compare four different scenarios. The first one is obviously hot and windy. The four scenarios- hot, windy, calm and cloudy must be paired with each other forming these- hot and windy, hot and calm, windy and cloudy, cloudy and calm- option B
Ans 2:
Class : Class 3
I agree with Harish Divakar and Ridhima . The ans is b
Ans 3:
Class : Class 5
Thank you, Shailaja Divakar
Ans 4:
Class : Class 4
they have not given the solution........ please explain
Ans 5:
Class : Class 5
Ans 6:
Class : Class 4
Can somebody explain the answer to the question?
Ans 7:
Class : Class 8
Ans 8:
Class : Class 2
dude i asked you to explain .Not give the answers because you have done it before.[i am talking to you only, Shaurya uniyal]
Ans 9:
Class : Class 8
please somebody explain......They have not given the solution.............
Ans 10:
Class : Class 4
Ans 11:
Class : Class 6
What on earth does guestion mean you idiot and infant
Ans 12:
Class : Class 5
Please somebody explain.
Ans 13:
Class : Class 9
Ans 14:
Class : Class 6
The meaning of the symbols is not clear.
Ans 15:
Class : Class 6
C
Ans 16:
Class : Class 1
Please explain. .....
Ans 17:
Class : Class 6
I don't understand the guestion. Can somebody explain.
Ans 18:
Class : Class 4
Ans 19:
Class : Class 4
Ans 20:
Class : Class 4
Ans 21:
Class : Class 4
Ans 22:
Class : Class 3
I think it is B?.?.
Ans 23:
Class : Class 8