gneet TOPIC : Ratio,proportion, indices, log C.A. foundation Number of questions are 110
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Questions from exercise 8A Q.1 - 25; exercise 8B Q.26 - 55; exercise 8C Q.56 - 85; exercise 8D Q.86 - 110;
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Paper 4 eco detailed solutions
QUESTION
2
Q.1)The inverse ratio of 11 : 15 is
a) 15 : 11
Correct
b) √11 : √ 15
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c) 121 : 225
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d) none of these
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Solution :
The inverse of a : b is b : a.
So inerse of 11 : 15 is 15 : 11.
Answer : (a)
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