Question
Simple interest earned on an amount of Rs. 2500 at rate
of R% per annum after 4 years is Rs. 150. Find the simple interest earned on an amount of Rs. 1200 at rate of (R + 6)% per annum after 3 yearsSolution
According to question, 150 = 2500 × R% × 4 R = 1.5% Therefore, required interest = 1200 × (1.5 + 6)% × 3 = Rs. 270
If a discrete random variable X follows uniform distribution and assumes only the values 8, 9, 11, 15, 18, 20, the value of P(|X-14| < 5) will be:
Which of the following satisfies the time and factor reversal test?
The fair dice is rolled 15 times and face value are noted
Face Value:Â Â Â Â Â Â Â Â 1Â Â Â Â Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â Â Â Â Â 3...
Completely randomized design is based on the principles of _________ and randomization only.
Approximately, the coefficient of variation for the given data where Pearson's second measure of skewness = 0.42, arithmetic mean- 86 and median 80, is:
Second differencing in time series can help to eliminate which trend?
(I) Quadratic trend
(II) Linear trend
If the first quartile of data set 8,10,8,7,9 is 7.5, then the value of quartile deviation is
