Let the sum be x Using formula, I = PRT/100  we have, (x × 13/12  × 15/2)/100 - (x × 7/12  × 25/2)/100 = 42.50 ⇒ 65x/800 -  175x/2400 = 42.50 ⇒ (195x-175x)/2400 = 42.50 ⇒ 20x/2400 = 42.50 ⇒ x = (2400 × 42.50)/20 = 5,100 ∴ Required sum = Rs. 5,100
Which of the following options is INCORRECT?
If moment generating function of continuous random variable X is (λ /λ−t) ;t < λ, then E(X3) equals to:
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