Pointing to a photograph of a boy Shinzo said, "He is the son of the only son of my mother." How is Shinzo related to that boy?

If A + B means A is the mother of B; A - B means A is the brother B; A % B means A is the father of B and A x B means A is the sister of B, which of the following shows that P is the maternal uncle of Q?

If A is the brother of B; B is the sister of C; and C is the father of D, how D is related to A?

Pointing out to a lady, a girl said, "She is the daughter-in-law of the grandmother of my father's only son." How is the lady related to the girl?

Pointing to a lady, a man said, "The son of her only brother is the brother of my wife." How is the lady related to the man? 

Which institute has the highest percentage of candidates passed to the candidates enrolled?

The number of candidates passed from institutes S and P together exceeds the number of candidates enrolled from institutes T and R together by:

What is the percentage of candidates passed to the candidates enrolled for institutes Q and R together?

An investor invested a sum of Rs. 12 lakhs in company P in 1998. The total amount received after one year was re-Invested in the same company for one more year. The total appreciation received by the investor on his investment was?

The sum of the deviation of a given set of individual observations from the arithmetic mean is always infinite. The statement is True or not?

The mean of 40 numbers was found to be 38. Later on, it was detected that a number 56 was misread as 36. Find the correct mean of given numbers.

The average of daily wages for the earners of the two factories combined is

The description measure of dispersion that is based on the concept of a deviation about the mean is

What if in above questions 2. 2 ladies be replacing by at least 2 ladies? 

A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

If total frequencies of three series are 50, 60 and 90 and their means are 12, 15, and 20 respectively, then the mean of their composite series is

If the random variable X follows a Poisson distribution with mean 3,4, find P(x=6)

If the variance of 5, 7, 9 and 11 is 4, then the coefficient of variation is:

The AM of 15 observations is 9 and the AM of first 9 observations is 11 and the AM of remaining observation is

In a moderately skewed distribution, the values of mean & median are 12 & 18 respectively. The value of mode is

If ‘x’ is a random variable, taking values ‘x’ probability of success and failure being ‘p’
and ‘q’ respectively and ‘n’ trials being conducted, then what is the probability that ‘x’
takes values ‘x’? Use Binomial Distribution

The area under a standard normal curve is

The standard normal curve is symmetric about the value.

For a standard normal variate. The value of standard deviation is

Passche index, index developed by German economist Herman Passche for measuring current price of quantity level to those of selected base period. it differs from the Laspeyres index in that it uses current period weight

If the probability of success in a binomial distribution is less than one – half, then
the binomial distribution ______

The following data is given on 450 students for marks is statistics and Economic at a
certain examination
Mean marks in statistics = 40
Mean marks in economics = 48
S.D. of marks (statistics) = 12
Variance of marks (Economics) = 256
Sum of the products of deviation of
Marks from their respective mean = 42075
The average marks in economics of candidates who obtained 50 marks in statistics is:

For 10 pair of observation, number of concurrent deviation was found to be 4. what is
the value of the coefficient deviation?

If three coins are tossed simultaneously, what is the probability of getting two heads together?

If a number is selected at random from the first 50 natural numbers, what will be the probability that the selected number is a multiple of 3 or 4?