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NYRAH GUPTA from Sat Paul Mittal School, Ludhiana

Subject :IMO Class : Class 4

The value of 63 km 420 m + 52 km 310 m is _________.

A115 km 730 m
B132 km 210 m
C110 km 132 m
D112 km 240 m

the ans is A how can it be D??????

Ans 1:

Arul Singh Saini from Bal Bharati Public School, Noida