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Let a = (x – 12), b = (x – 5) and c = (x – 9) According to the question, a3 + b3 + c3 = 3abc Therefore, a + b + c =0 Or, x – 12 + x – 5 + x – 7 = 0 Or, 3x = 24 Or, x = 8 Therefore, x2 + 5x + 3 = 82 + 5 × 8 + 12 = 116
The simple interest earned on investing Rs. (80X + 2000) at simple interest of 15% p.a. for 36 months is Rs. 576 less than the total amount received on ...
Vikram had Rs. 9500 with him. He invested 35% of the sum at 11% p.a. and the rest at 16% p.a., both at simple interest for 4 years each. Find the total ...
A person invested Rs. P on simple interest at the rate of 15% for 5 years, and he invested Rs.(P + 100) at 10% compound interest for 2 years. The total ...
Shivam invested 22000 at 12% p.a. simple interest for ‘x’ months. If at the end of ‘x’ months, he received a total amount of Rs.27500. What is t...
The difference between compound interest and simple interest at rate of 28% per annum for 2 years is Rs. 392. Find the simple interest obtained on same ...
Rs. 8500 is invested in scheme ‘A’ for 2 years and Rs. 6500 is invested in scheme ‘B’ for 2 years. Scheme ‘A’ offers simple interest of 13% ...
A certain sum of money becomes 6 times of itself in 25 years at simple interest. In how many years does it become double of itself at the same rate of s...
Rs. 9500 is invested in scheme ‘A’ for a year at simple interest of 50% p.a. The interest received from scheme ‘A’ is reinvested for 2 years in ...
Rs. 8800 is invested in scheme ‘A’ for a year at simple interest of 20% p.a. The interest received from scheme ‘A’ is reinvested for 2 years in ...
