RRB NTPC Mains or Stage 2 Model Paper 6 with solutions

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Question : 31 of 119

Marks: +1, -0

Find a fractions which shall bear the same ratio to

1 /27

that

3/ 11

does to

5/ 9

.

1 : 27
1 : 45
1 : 55
1 : 65

Solution:

(c) x :

1/27= 3/11 :5/ 9

= or,

27x = {3 ×9}/{11× 5}

∴ x = 1/55

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