Ratio and Proportion Practice Test 3

Question : 5 of 40

Marks: +1, -0

If x : y = 4 : 5 and y : z = 11 : 12, then find x : z.

Solution:

x/y=4/5,y/z=11/12

⇒x/z=x/y×y/z

=4/5×11/12=11/15

∴ x : z = 11 : 15

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