Question

at what rate % per annum will simple interest on rupees 6950 be rupees 347.50 in five months

Answer 1

Answer:

P = Rs. 6950

Si = Rs. 347.50

T = 5 months = 5/12

R = ?

R = Si × 100/P × T

= Rs.6950×100×12/Rs.347.50×5/12

= 1900/417

= 4.5%

Hope it helps you,

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Answer 2

P= 6950 rs
I= 347.50 rs
t=5/12 year
r=?
we know,
I= Ptr/100
or, r=100I/pt
$or. \: r = \frac{100 \times 347.50}{6950 \times \frac{5}{12} } \\ = \frac{34750 \times 12}{6950 \times 5} = 12$
so rate percent per annum be 12%