Question
If a sum becomes 4 times in 20 years what is the rate of
simple interest given?Solution
Let the sum be Rs. 1 The sum become after 20 years = 4 Ć 1 = Rs. 4 SI=4-1= 3 As we know, SI = Prt/100 Ā 3 = (1 x r x 20)/100 r = 3 x 5 r = 15%
The derivative of y = eĖ£ Ā· cos(x) isĀ
Simplify: (1 + i)Ā³ / (1 + iĀ³)
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