Question

ऐसी कौन सी चीज है जो सुबह देखो तो हरी दोपहर को देखो तो काली शाम को देखो तो नीली रात को देखो तो सफेद हमे उत्तर चाहिए

Answer 1

Algae is the substance which is green in the morning, black in the afternoon and white at night....

Hope it helped you....

Answer 2

The correct answer would be :

गोबर

1. सुबह देखो तो हरी -- Morning Cow dung will be green in colour.

2.दोपहर को देखो तो काली - In the Afternoon it will turn to black.

3.शाम को देखो तो नीली - In the evening it looks blue colour while burning.

4. और रात को देखो तो सफेद -- At night, on heating, the powder will look white in colour