Mathematics
Grade-7
Easy
Question
John reads
of a book in 1 hour. The book he reads in
hours is __________.
Hint:
Solve using the unitary method.
The correct answer is: ![11 over 15](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAjCAYAAACHIWrsAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAXQ/cXWQAAAKFJREFUeNpjYMAP1IC4FogvUEkdQbAYiNOA+D+V1BEN/lNZ3aiFoxaOWjiILfyPBVOibhSMAuqnSGriUTAKaAMINf+onioJNf/+0zKPjlpINwt/AfEnIN4GxEVAzEOPJgYLEBtDU/QNINagV5sGBNyA+CA9LQSBH/S0UAeI79LKwnVAbAnETFDsAbUsiFbNxFAgvgXEf4D4HRCvAmJTfAYCALFjZloBXKmVAAAAZHRFWHRNYXRoTUwAPG1hdGggeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzE5OTgvTWF0aC9NYXRoTUwiPjxtZnJhYz48bW4+MTE8L21uPjxtbj4xNTwvbW4+PC9tZnJhYz48L21hdGg+Tn+P3wAAAABJRU5ErkJggg==)
STEP BY STEP SOLUTION
The part of the book read by John in 1 hour = ![1 third](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABIAAAAjCAYAAACZ6FpfAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAXQ/cXWQAAAKNJREFUeNpjYMAP1IC4FogvMFAIFgNxGhD/Z6ASGDVo1KBBYdB/LHgUDCbwn0w8CgYLcATibUD8DYh/APEtIJ4AxMKkGrQfiIOAmA1JzACId1DLpZ+oYYgSEN+gxABxIE6EhpMXNbJMAaVeEgTiACA+CcT21AgjHqhhVAE/qGGIHjTASQIHgTgUiFmAmAma0u8DcTypBtkC8RaoV35AU7oPPg0ArQs4erRAu/EAAABidEVYdE1hdGhNTAA8bWF0aCB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMTk5OC9NYXRoL01hdGhNTCI+PG1mcmFjPjxtbj4xPC9tbj48bW4+MzwvbW4+PC9tZnJhYz48L21hdGg+q+QgMwAAAABJRU5ErkJggg==)
So,
the part of the book read by him in
hours = Part of book read in 1 hour
![2 fraction numerator 1 over denominator 5 space end fraction h r s](data:image/png;base64,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)
= ![2 1 fifth space straight x space 1 third](data:image/png;base64,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)
=
.
He wilo read ![11 over 15 space p a r t space o f space b o o k space i n space 2 1 fifth h r s.](data:image/png;base64,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)
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