A) 4.2
B) 7.9
C) 3.8
D) 5.8
Correct Answer: D
Solution :
\[\frac{36}{100}\times 245-\frac{40}{100}\times 210=10-?\] \[88.2-84=10-?.\] \[4.2=10-?\] \[?=10-4.2\] \[=5.8\]You need to login to perform this action.
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