Ayesha received a gift of Rs. 75,000 from her mother. She invested a part of the amount at 9% and another part at 10% simple interest. If Ayesha receives an interest of Rs. 14,400 at the end of 2 years, how much do she invest at 10%?
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Simple interest = P * r * t
Let investment in 10% scheme be X units.
Total interest
= (75, 000 - X) * 9/100 *2 + X * 10/100 * 2
= 14, 400 units
Solving the above equation X = 45, 000 units
Let investment in 10% scheme be X units.
Total interest
= (75, 000 - X) * 9/100 *2 + X * 10/100 * 2
= 14, 400 units
Solving the above equation X = 45, 000 units
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