Subject :IMO Class : Class 6
How many right angles does the minute hand form from 3 a.m. to 6 a.m.?
A12
B8
C3
D4
Ans 1:
Class : Class 6
wrong question, as right angle formation is only possible wrt to hr hand or sec hand and answer to this question is not possible, as the minutes hand forms 06 times right angle with hr hand from 3 am to 6am, the option is not available.
Ans 2:
Class : Class 7
Right angle formed from 3 to 6 am is 6 and not 12.
Ans 3:
Class : Class 6