CBSE Class 6 Answered

how to differenciate between inverse proportion and normal proportion ?

Asked by ameetjain75 | 09 Mar, 2017, 01:28: PM

Expert Answer

begin mathsize 16px style bold Direct bold space bold Proportion bold colon If space one space quantity space increases comma space and space the space other space quantity space also space increases space at space the space same space time comma space in space the space same space way space or space if space one space quantity space decreases comma space and space the space other space quantity space also space decreases space at space the space same space time space and space in space the space same space way comma space then space these space quantities space are space said space to space be space in space direct space proportion. bold Example bold colon If space the space cost space of space 9 space toys space is space Rs. space 300 comma space then space find space teh space cost space of space 15 space such space toys. Here comma space if space number space of space toys space are space increased space then space obviously space cost space will space also space increase. And comma space if space number space of space toys space are space decreased space then space obviously space cost space will space also space decrease. straight i. straight e. space number space of space toys space and space cost space are space directly space proportional bold More bold space bold toys bold space bold more bold space bold cost bold. bold Inverse bold space bold Proportion bold colon If space the space measure space of space one space quantity space increases space and space the space measure space of space another space quantity space decreases space at space the space same space time comma space at space the space same space rate comma space or space if space the space measure space of space one space quantity space decreases space and space space the space measure space of space another space quantity space increases space at space the space same space time comma space at space the space same space rate comma space then space these space quantities space are space said space to space be space in space inverse space proportion. bold Example bold colon straight A space girl space can space finish space straight a space book space in space 25 space days space if space she space reads space 18 space pages space every space day. space How space many space days space will space she take space to space finish space it comma space if space she space reads space 15 space pages space every space day. Here comma space if space number space of space pages space are space increased space then space obviously space days space will space decrease. And comma space if space number space of space pages space are space decreased space then space obviously space days space will space increase. straight i. straight e. space number space of space pages space and space days space are space inversely space proportional bold More bold space bold pages bold space bold less bold space bold days bold. end style

Answered by Rashmi Khot | 09 Mar, 2017, 02:53: PM

CBSE Class 6 Answered

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