Question

60 = √(x+5)25(x-5)
how to simplify this equation?

please tell!!!!​

Answer 1

Answer:

Required answer : -

Correct question:

• Find the compound interest on RS 30,000 for 24 months at 8% per annum.

Solution:

Given,

Principal = ₹30,000

Rate per annum = 8% p.a.

Time = 24 months ( 2years )

i.e. Time = 2 years

Formulaes used, ________________________________________________

$• \: Simple \: Interest(I) \: = \: \dfrac{Principal × Rate × Time}{100}$

• Amount = Principal + Interest

i.e. A = P + I

• Compound Interest = Final amount - Original Principal

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Step by step explaination :

★ For first year :

Principal = ₹ 30,000 , Rate = 8% , Time = 1 year

$I\: = \dfrac{P × R × T }{100} \\ \: I \: = \: \frac{30000 \times 8 \times 1}{100} \\ I \: = \: 2400 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\Amount = Principal + Interest \: \\ Amount \: = \: 30000 + 2400 \\ Amount \: = \: ₹32400$

★ For Second year

The new Principal for second year will be ₹32400

Principal = ₹32400 , Rate = 8% p.a. , Time = 1 year

$I\: = \: \dfrac{32400 \times8 ×1 }{100} \\ I \: = \: ₹ \: 2592 \\ Amount = ₹32400 + ₹2592 \\ </p><p>Amount = ₹34992$

Now final amount is ₹34992

Compound Interest = Final amount - Original Principal.

Hence,

Compound Interest = ₹34992 - ₹30000

= ₹4992

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Extra info.

• When we say, interest, it always means simple Interest.

• On the same sum and at the same rate of interest per annum, the interest of every year is same.

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Answer 2

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