Question
A shopkeeper marked up an article 60% above cost price
and sells it at Rs. 960 after allowing discount of 25%. Find marked price of article, if profit of shopkeeper is Rs. 160?Solution
Let cost price of article = Rs 100x And marked price of article = Rs 160x According to question, => 100x = 960 – 160 => 100x = 800 => x = 8 Marked price = Rs. 1280
With reference to analysis of variance. which of the following statements is/are correct?
(I) Change of origin will affect the value of F
...The 95% confidence interval of average age of accidents in any city during last year for a sample of size 100 with mean age 34.25 from population of st...
For a distribution, the mean is 10, variance is 16, Y1 is +1 and β2 is 4. The distribution is:
Which of the following is NOT an approach for assigning the probability of the event?
The Pearson's correlation coefficient between following observation
X:           1             2          �...
Which option is WRONG?
If the first, fifth and ninth decile of frequency distribution xi ∣ fi are 3,10,16, respectively, then Kelly's coefficient of skewness is:
Which of the following is an example of using a sample to make inference about a population?