Question

# Find the sum: 328+121

A

1784

B

1384

C

1184

D

1584

Solution

## The correct option is C 1384 To find the value of 328+121, first we have to find the LCM of 28 and 21.  228,21214,2137,2177,71,1 LCM of 28 and 21  =2×2×3×7=84                                      328+121 =3×328×3+1×421×4=9+484=1384

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