3.In In a library 136 copies of a certain bookrequire a shelf-length of 3.4 metre. Howmany copies of the same book would occupya shelf-length of 5.1 m ?

3.In In a library 136 copies of a certain bookrequire a shelf-length

1.	3.In In a library 136 copies of a certain bookrequire a shelf-length of 3.4 metre. Howmany copies of the same book would occupya shelf-length of 5.1 m ?
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/20br4-1821374" style="font-weight:bold;" target="_blank" title="Click to know more about 204">204</a> copies will occupy a shelf of length 5.1m.Step-by-step <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:<a href="https://interviewquestions.tuteehub.com/tag/let-11597" style="font-weight:bold;" target="_blank" title="Click to know more about LET">LET</a> x be the <a href="https://interviewquestions.tuteehub.com/tag/number-582134" style="font-weight:bold;" target="_blank" title="Click to know more about NUMBER">NUMBER</a> of copies that would occupy a self-length of 5.1m. Number of copies 136 x Length the self ( in m ) 3.4 5.1 Since, the number of copies and the length of the shelf are in direct <a href="https://interviewquestions.tuteehub.com/tag/variation-1443254" style="font-weight:bold;" target="_blank" title="Click to know more about VARIATION">VARIATION</a>. ∴ x 136 = 5.1 3.4 ⇒ 136×5.1=x×3.4 ⇒ x= 3.4 136×5.1 ⇒ x=204 ∴ 204 copies will occupy a shelf of length 5.1m.</body></html>