Question

7. If 2
/7
of an amount is ₹5600, find the amount.
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Answer 1

Answer:

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Step-by-step explanation:

Principal = 5600

Amount = 6678

So, S.I = A - P

= ₹1078

Now, S.I = P*R*T/100

T = 7/2 years.

1078 = 5600*R*7/2*100

R = 1078 * 2 /7*56

R = 154 * 2/56

R = 154 / 28

R = 5.5%

Now, new P = 9400

T = 21/4 years

R = 5.5%

So S.I = 9400 * 5.5 * 5.25 /100

S.I = 94 * 28.875

S.I = 2714.25

A = P + S.I

A = 9400 + 2714.25

A = 12114.25

Answer 2

Answer:

let the initial amount be x

therefore,

2/7*x=5600

x=5600*7/2

x=19600 rupees

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