Question
The marked price of an article is Rs. 13,400, and it is
sold at a 12% discount. The profit made on selling the article is Rs. 1,060. What is the cost price of the article?Solution
ATQ,
Selling price of article = 0.88 × 13,400 = Rs. 11,792
Therefore, cost price of article = 11,792 - 1,060 = Rs. 10,732
If moment generating function of discrete random variable X is (q + pet )n , then E(X2) equals to
The mean deviation and coefficient of mean deviation of 5 observation are 1.2 and 0.4. If the sum of the first four terms is 10, then the fifth term is...
For the production data
Year:Â Â Â Â Â Â Â Â Â Â Â Â Â 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 3Â Â Â Â Â Â Â ...
If the second and third moment about the origin are 8 and 18 and the third moment about mean is -14 , then the first moment about the origin is:
If Laspeyres price index of a commodity is 208 and Passche's price index of the same commodity is 52, the value of Fisher index number will be:
The following observations 14, 19, 17, 20, 25 constitute a random sample from an unknown population with mean u and standard deviation σ.
The...
The prices (in ₹) of different yarns (per kg) in two consecutive years are as follows.
The problem of statistics is given in two sections of same standard. The odds against for section X to solve the problem are 4:3 and odds in favor to s...
Relevant for Exams:
