Navdeep lends an amount of 3600 to Amarjeet. He gives a part of money at 4% interest and the rest of the amount at 6% interest. The total interest, at the end of 5 years, amounted to 960. Can you tell us the amount of money that Navdeep gave to Amarjeet at 6% interest.

Answers 2

Answer:

2400

Step-by-step explanation:

If he lent total 3600 at 6%

The total interest = 3600 *6*5/100 = 1080

but he got 1080 -960 =. 120 less which is interest for 1200 rs so he lent 1200 at 4% and rest 2400 at 6%

Answer:

Navdeep gave Rs. 2400 to Amarjeet at 6% interest.

Step-by-step explanation:

Navdeep had a total of Rs. 3600

Let he lend Rs. x at 6% interest and (3600 - x) at 4% interest.

We know SI = PRT/100

where SI = interest

P = Principal

R = Rate

T = Time

We know that the total interest = Rs. 960

=> [tex]\frac{(3600-x)4*5}{100}[/tex] + [tex]\frac{x*6*5}{100}[/tex] = 960

=>  [tex]\frac{3600-x}{5}[/tex] + [tex]\frac{3x}{10}[/tex] = 960

=> [tex]\frac{7200-2x+3x}{10}[/tex] = 960

=> 7200 + x = 9600

=> x = 9600 - 7200

=> x = 2400

Therefore, Navdeep gave Rs. 2400 to Amarjeet at 6% interest.

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