Amount received by Vimal after 3 years of investment = (3250 × 20 × 3)/100 + 3250 = Rs. 5200 Therefore, sum invested by Vimal at compound interest = Rs. 5200 Amount received by Vimal at the end of 5 years = 5200(1 + 0.2)2 = Rs. 7488
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The minimum value of 77 sin θ + 36cosθ is
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