Question

- Length of a pencil is 18 cm and its diameter is 8 mm. What is the ratio of the diam
of the pencil to that of its length?
(A) 2:45
(B) 45 : 2
(C) 1:45
(D) 4:45​

Answer 1

Answer:

Answer is B,45:2

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Answer 2

Answer:

answers is A.

how means the length of the diameter of the pencil are given in different units, we need to convert them in to same unit.

thus length of pencil = 18×10 = 180mm

diameter = 8mm

8/180 = 2:45