Question

the monthly consumption of cereals of a hostel with 400 students is 5200 Kg. what will be the monthly consumption, if the number of students is 260?

Answer 1

400 students consume=5200kg
I stydent consume= 5200/400= 13 kg
Now ATQ
260 sthdents will consume= 13×260=3380 kg
This method is knkwn as unitary method

Answer 2

No. Of Students = 400
Consumption = 5200 kg

When No. of Students = 260
Then Consumption = ?

Direct Variation =

= 260 × 5200 ÷ 400

= 260 × 13

= 3380 Kg !

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