Question

Above picture represents a lending library which has a fixed charge for the first three days
and an addition charge for cach day there after. Navya paid 27 for a book kept for seven
days, while Susy paid 7 21 for the book she kept for five days.
i) Write pair of linear equations representing the above situation.
a).r+4y= 27, x+2y = 21
b)+7y = 27, .r+ 5y = 21
c) x-4y = 27, x-2y = 21
d).r-7y = 27,x-Sy = 21
ii) Find die Sixed charge
३)₹12
b)₹15
c)₹13
d) 720
ini) Find the additional charge per day
a) 35
b) 72
c)₹3
d) 34
iv) What kind of pair of lines x+4y=27 and -2,-21 are
a) parallel lincs
b) Intersecting lines c) coincident lines d) none of these
v) If Sindhu want to hire a book for 10 days how much she has to pay
a)₹36
b) 15
c) 20
d) 345​

Answer 1

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