Decimals and Fractions Practice Test 1

Question : 23 of 40

Marks: +1, -0

Find the number if the sum of

1/3,1/6

and

1 /9

of it is 220.

Solution:

Let the number be x.
Then,

x/3+x/6+x/9=220

{6x+3x+2x}/18=220

11x=220×18

x={220×18}/11=360

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