Shilpa's friend gave her some 10 T note. and some 5T coins of lolal 190T . Shilpa said to her friend, "if you have interchanged the number of notes and coins then, the total would have been 1857 ". Then how many coins of 5T and how many notes of 107 were given by the friend to Shilpa?
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Step-by-step explanation:
Let no. of 10T notes be m and no. of 5T coins be n.
As per given condition we have
10 m + 5 n = 100. (I)
10 n + 5 m = 185. (ii)
after operation 2 (I) - (I). we find
m = 1 and thereafter putting m = 1 in (I) we have
n = 18
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