pratishat

pratishat ka ganiteeya prateek

pratishat (Percent) ganit mein kisi anupaat ko vyakt karne ka ek tareeka hai. pratishat ka arth hai prati sau ya prati saikada(%=1/100)ek sau mein ek. udaaharan ke liye maana ki ganit ke prashnapatr ka poornaank 50 hai aur us prashnapatr mein koi chhaatr 48 ank praapt karta hai to kehte hain ki us chhaatr ko 48/50 = 96/100 = 96 pratishat (96%) ank mile. isi tarah kehte hain ki vaayumandal mein aakseejan ki maatra 20% hai. kisi kaksha mein 20 vidyaarthiyon mein se keval 30 hi uteern hue to kaheinge ki keval 75% vidyaarthi uteern hue tatha 25% anuteern (fail) ho gaye.

pratishat aur uske tulya saral bhinn
100% 90% 80% 75% 70% 66.(6)% 60% 50% 40% 33.(3)% 30% 25% 20% 15% 12,5% 10% 5% 2% 1% 0,5%
11 910 45 34 710 23 35 12 25 13 310 14 15 320 18 110 120 150 1100 1200

anya pranaaliyaaain

vibhinn sthitiyon mein kisi anupaat ko vyakt karne ke alag-alag tareeke apanaae jaate hain. pratishat mein anupaat ka aadhaar (har) 100 hota hai. isi prakaar 1000, 1 lakh, ya 10 lakh ko aadhaar maankar bhi anupaaton ko vyakt karne ki pratha hai. yadi 10 lakh logon mein se 7 log kisi rog se peedit hain to kehte hain ki us rog se duniya ke 7 peepeeem (parts per million) log peedit hain.

baahari kadiyaaain