CBSE Class 8 Answered
how many rational numbers are there strictly between 0 and 1 with the property that the sum of numerator and denominator is 70 ? how and which?
Asked by sharalka121 | 09 Dec, 2014, 05:16: PM
Expert Answer
We find rational numbers that lie between 0 and 1, such that the sum of their denominator and numerator is 70.
i.e. the first number can be formed with 1 and 69, with 1 + 69 = 70, i.e. 
Similarly the next number will be made by 2 and 68, i.e. 
In that case we get numbers as 
.
Hence there are 34 such numbers which satisfy the given condition.
Answered by Mili Hariyani | 10 Dec, 2014, 11:17: AM
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