Find out the wrong number in the series 1, 2, 6, 24, 96, 720

Find out the wrong number in the series 196, 169, 144, 121, 100, 80, 64

Find out the wrong number in the given sequence of numbers 582, 605, 588, 611, 634, 617, 600

Find out the wrong number in the given sequence of numbers 1, 2, 6, 15, 31, 56, 91

In a certain language, ‘put tir fin’ means ‘delicious juicy fruit’; ‘tie dip sig’ means ‘beautiful white lily’, and ‘sig lon fin’ means ‘ lily and fruit ‘. What is the code for ‘and’?

The word RUN is coded as SVO. What should be the code letters of LAY?

If LOSE is coded as 1357 and GAIN is code as 2468, what do figure 82146 for?

Find the odd man out, 1, 5, 14, 30, 51, 55, 91

If A + B means B is the brother of A; A x B means B is the husband of A; A - B means A is the mother of B and A % B means A is the father of B, which of the following relations shows that Q is the grandmother of T? 

A3P means A is the mother of P

A4P means A is the brother of P

A9P means A is the husband of P

A5P means A is the daughter of P
Which of the following means that K is the mother-in-law of M?

Lalita said to Tina, “You are the daughter-in-law of the grandmother of my father’s only son.”How is Lalita related to Tina?

Pointing to a photograph, Amar said, “I have no brother or sister but that man’s father is my father’s son.” Whose photograph, was it?

A boy rode his bicycle Northward, then turned left and rode 1 km and again turned left and rode 2 km. He found himself 1 km west of his starting point. How far did he ride northward initially?

If ‘A × B’ means ‘B is father of A’, ‘A+ B’ means ‘A is wife of B’ and ‘A ÷ B’ means ‘A is brother of B’, then, what is the relation of J with L in ‘J + H ÷ R × L’?

A man walks 2 km towards North. Then he turns to East and walks 10 km. After this he turns to North and walks 3 km. Again he turns towards East and walks 2 km. How far is he from the starting point?

Golu started from his house towards North. After covering a distance of 8 km. he turned towards left and covered a distance of 6 km. What is the shortest distance now from his house?

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

Following are the weights in kgs. Of 36BBA students of khalsa college.

Find range from this series

The mean of 10 numbers is 7. If each number is multiplied by 12, find the mean of new set of numbers.

Frequency density is used in the construction of

None when the classes are of unequal width

The graphical representation of cumulative frequency distribution is called.

The average of salaries in a factory is Rs.47, 000. The statement that the average salary Rs.47, 000 is ____

In a graphical representation of data, the largest numerical value is for is the smallest numerical value is 25. If classes desired are 4 then which interval is

In a graphical representation of data, ideographs are also called as

A numerical value used as a summary measure for a sample, such as sample mean, is known as a

Since the population size is always larger than the sample size, then the sample statistic

The mean of the heights of 6 boys is 152 cm. If the individual heights of five of them are 151 cm, 153 cm, 155 cm, 149 cm and 154 cm, find the height of the sixth boy.

Find the mode of the following set of marks.

What is the chance of picking a spade or an ace not of spade from a pack of 52 cards?

For a group of 60 boy5 students, the mean and SD of stats. Marks are 45 and 2 respectively. The same figures for a group of 40 girl students are 55 and 3 respectively. What is the SD of marks if the two groups are pooled together?

From the above questions and expression find standard deviation of marks

In a Poisson Distribution, if ‘n’ is the number of trials and ‘p’ is the probability of success, then the mean value is given by

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

Which information is false regarding Lorenz curve

The mean value for an event X to occur is 2 in a day. Find the probability of event X to occur thrice in a day.

A man was able to complete 3 files a day on an average. Find the probability that he can complete 5 files the next day.

In a Binomial Distribution, the mean and variance are equal

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

Normal Distribution is also known as

A problem is given to three students whose chance of solving is are 𝟏÷𝟐, 𝟏÷𝟑 and 𝟏÷𝟒 respectively what is the probability that the problem will be solved?

Index number is expressed in:

Indices calculated by the chain base method are free from:

Calculating weighted aggregate price index from the following data using Laspeyre`s method

Which one of the following is an uniparametric distribution?

In a lottery there were 90 tickets numbered 1 to 90. Five tickets were drawn at random. The probability that two of the tickets drawn numbers 15 and 89 is

A bag contains 3 red, 4 white, and 5 black balls. Three balls are drawn at random. The probability of being their different colors is 

Difference between Correlation and Causation

For some bivarilate data the following result were obtained the two variable X and Y:
x = 53.2, y = 27.9 bvx = - 1.5 bxy = -0.2
The most probable value of y when x = 60 is

The coefficient of correlation r between x and y when: Cov (x, y) = - 16.5, Var (x) = 2.89,
Var (y) = 100 is:

The letter of the word ‘ASSASSIN’ are written down at random in arrow. The probability that no two S occur together is 

Two random variable have the regression line 3x + 2y = 26 and 6x + y = 31. The
coefficient of correlation between x and y is:

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

The coefficient of rank correlation between the ranking of following 6 students in two subjects Mathematics and Statistics is :

The speeds of a number of bikes follow a normal distribution model with a mean of 83km/ hr and a standard deviation of 9.4 km/hr. Find the probability that a bike picked at random is travelling at more than 95 km/hr?