Question

Water rises from 150 ml to 210 ml when a marble is dropped in water in a measuring glass. The volume of the marble is what

Answer 1

Answer:

#666

Step-by-step explanation:

Step-by-step explanation:

lcm of fraction

step1: lcm of numerator

step2: hcf of denominator

step3: divide it

3/10 and 9/20

lcm of 3 and 9 is 3

hcf of 10 and 20 is 10

hence lcm is 3/10

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#666