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What is the least number of years for which simple interest must be reckoned at 3 p.c. on Rs. 212.50 so that interest may be an exact number of rupees

Posted by Jaithra Paul 5 years, 5 months ago

CBSE > Class 07 > Mathematics

1 answers

Yogita Ingle 5 years, 5 months ago

S.I = P × r × t/100

here, P = 212.50 Rs.

r = 3 % and t = ?

so, S.I = 212.50× 3 × t/100

= 637.5t/100

= 127.5t/20

=25.5t/4

now, you can see that , Simple interest will be exact number of rupees when t = 8,16

1Thank You

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