Question

If one-eighth of a pencil is black, half of the remaining is yellow and the remaining 3.5 cm is blue, then the total length of the pencil is (in cm)​

Answer 1

Answer:

7.875 cm

is answer of question

Answer 2

Answer:

​  

1/8 th part of the pencil is black

⇒ Remaining part of the pencil = 1-1/8=7/8

∴ part of pencil that is yellow

=   1/2 of remaining =1/2x7/8=7/16

Now part left that is blue

=1-(1/8+7/16)=7/16

Since it is given that 3.5 cm of the pencil is blue

7/16 of total length = 3.5 cm

⇒ Total length =16/7x3.5=8cm

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