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MATHS LAK 2

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Marks: 50

Q.   1

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

Q.   2

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

Q.   3

1, 8, 27, 64, 124, 216, 343 Find out the wrong number in the given sequence of numbers.

Q.   4

Insert the missing number 8, 7, 11, 12, 14, 17, 17, 22, (…)

Q.   5

In a certain code DELHI is written as CDKGH. How much is SUSPECT written in code?

Q.   6

Find the Wrong Term in: G4T, J10R , M20P , P43N , S90L

Q.   7

If A + B means A is the brother of B; A x B means A is the son of B; and A % B means B is the daughter then which of the following means M is the maternal uncle of N? 

Q.   8

If D is the brother of B, how B is related to C? To answer this question which of the statements is/are necessary?

1. The son of D is the grandson of C.

2. B is the sister of D.

Q.   9

Pointing to a photograph. Bajpai said, "He is the son of the only daughter of the father of my brother." How Bajpai is related to the man in the photograph?  

Q.   10

One morning Udai and Vishal were talking to each other face to face at a crossing. If Vishal's shadow was exactly to the left of Udai, which direction was Udai facing?

Q.   11

Two cars start from the opposite places of a main road, 150 km apart. First car runs for 25 km and takes a right turn and then runs 15 km. It then turns left and then runs for another 25 km and then takes the direction back to reach the main road. In the meantime, due to minor break down the other car has run only 35 km along the main road. What would be the distance between two cars at this point?

Q.   12

Starting from the point X, Jayant walked 15 m towards west. He turned left and walked 20 m. He then turned left and walked 15 m. After this he turned to his right and walked 12 m. How far and in which directions is now Jayant from X?

Q.   13

Two buses start from the opposite points of a main road, 150km apart. The first bus runs for 25 km and takes a right turn and then runs for 15km. It then turns left and runs for another 25km and takes the direction back to reach the main road. In the meantime, due to the minor break down the other bus has run only 35km along the main road. What would be the distance between the two buses at this point?

Q.   14

A person walks 4 km towards west, then turns to his right to travel 9 km. He turns towards east and travels 12 km. Finally, he travels 3 km towards south. How far is he from the initial position (in km)?

Q.   15

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?

Q.   16

An investor invested Rs. 5 lakhs in company Q in 1996. After one year, the entire amount along with the interest was transferred as investment to Company P in 1997 for one year. What amount will be received from Company P, by the investor?

Q.   17

What was the approximate percentage increase in the sales of 55AH batteries in 1998 compared to that in 1992?

Q.   18

What was the difference in the number of Q type cars product in 2000 and that produce in 2001?

Q.   19

Total number of cars of models P, Q and T manufactured in 2000 is?

Q.   20

If the percentage production of P type cars in 2001 was the same as that in 2000, then the number of P type cars produced in 2001 would have been?

Q.   21

What will be the percentage of total number of males in U.P., M.P. and Goa together to the total population of all the given states?

Q.   22

If in the year 1998, there was an increase of 10% in the population of U.P. and 12% in the population of M.P. compared to the previous year, then what was the ratio of populations of U.P. and M.P. in 1997?

Q.   23

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

 

7073496147575059
5968455568566855
7070574473644963
6570656273676050

 

Find range from this series

Q.   24

An ogive is a graphical representation of

Q.   25

Which of the following graph is suitable for cumulative frequency distribution

Q.   26

The graphical representation of cumulative frequency distribution is called.

Q.   27

In a five number summary, which of the following is not used for data summarization?

Q.   28

Since the mode is the most frequently occurring data value, it

Q.   29

Following are the daily wages in Rupees of a sample of 9 workers: 58, 62, 48, 53, 70, 52,

 

60, 84, 75. Compute the mean wage.

Q.   30

Find the AM for the following distribution:

class interval350-369370-389390-409410-429430-449450-469470-489
Frequency23385882653111
Q.   31

The following frequency table shows the marks obtained by students in a quiz. Given that 4 is the mode, what is the least value for x?

Marks123456
Number of students (frequency)7910x911
Q.   32

Identify the mode of the given distribution.

Marks45678
Number of students351061
Q.   33

The medians of the following two sets of numbers are equal, and the sets are arranged in ascending order {1, 4, x, 8} and {2, 5, y, 9}. What is y – x?

Q.   34

Prices of shares of a company were not as under from Monday through Saturday. Find out range and the coefficient of range.

DayMon.Tues.Wed.Thu.FriSat.
Price200210208160220250
Q.   35

Calculate range and the coefficient of range of the following series:

Marks10203040506070
No. of students1518253016109
Q.   36

Adding a constant to each value in a data set does not change the distance between values so the standard deviations remains …..

Q.   37

If the variables x and z are so related that z = ax + b for each x = x1 where a and b are constant, then = a+ b

Q.   38

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

Q.   39

If ‘p’, ‘q’ and ‘n’ are probability of success, failure and number of trials respectively in a
Binomial Distribution, what is its standard Deviation?

Q.   40

The test which is lot obeyed by any of the weighted index numbers unless the weights are constant:

Q.   41

Index number having upward basis is:

Q.   42

Marshall Edgeworth price index was proposed by:

Q.   43

The major groups for whom the consumer price index number are constructed in India

Q.   44

A fair coin is tossed 100 times. The probability of getting tails and odd number of times is

Q.   45

Three cards are drawn at random from a pack of 52 cards. What is the chance of drawing three aces?

 

Q.   46

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:

Q.   47

Is the required probability of occurring 4 or more than 4 accidents?

No. of acc. 1 2 3 4 5 6 7
Frequency 8 17 15 24 27 18 9
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