What is the sum of 42 cm and 2 mm?
A44 cm
B42.2 cm
C42.2 mm
D42.2 cm
why option b and d are same
Ans 1:
Class : Class 5
I had the same problem. 42.2 cm is given twice in the options and the answer is marked wrong if u choose one of them (I forget which one). Pls rectify this error.
Ans 2:
Class : Class 10
Answer : D
There was a mistake in option B which has been corrected.
Solution
2 mm = .2 cm
42cm + 2 mm = 42cm + .2cm = 42.2cm
There was a mistake in option B which has been corrected.
Solution
2 mm = .2 cm
42cm + 2 mm = 42cm + .2cm = 42.2cm
Ans 3:
Class : Class 10
Answer : D
There was a mistake in option B which has been corrected.
Solution
2 mm = .2 cm
42cm + 2 mm = 42cm + .2cm = 42.2cm
There was a mistake in option B which has been corrected.
Solution
2 mm = .2 cm
42cm + 2 mm = 42cm + .2cm = 42.2cm
Ans 5:
Class : Class 10
Answer : D
There was a mistake in option B which has been corrected.
Solution
2 mm = .2 cm
42cm + 2 mm = 42cm + .2cm = 42.2cm
There was a mistake in option B which has been corrected.
Solution
2 mm = .2 cm
42cm + 2 mm = 42cm + .2cm = 42.2cm