GENERAL INSTRUCTIONS (Please read the following instructions very carefully)
1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
3. Do not refresh or back page.
4. Do not click the button Submit Test before completing the paper on Answer Sheet.
5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
6. Take photo of all the Sheets and make single pdf file.
1
2 coins are tossed simultaneously find the probability of getting atleast 2 heads.
0
1/4
0.5
3/4
2
Find the number of different ways so that the numbers 3, 7, 5 and 9 can be arranged , taking two number at a time.
4
16
64
256
3
The scores obtained by a group of participants in a game are shown in the table. A participant who scores more than 3 points receives a hamper. If the number of participants who do not receive hampers is twice the number of those who do, find the value of y.
26
32
68
In a cricket match, a batsmen hits the boundary on 4 out of 25 balls he plays. The probability that he hits the boundary on a ball he plays is
21/25
4/25
6/25
22/25
5
The mean of five numbers is 27. If one of the numbers is excluded the mean gets reduced by 2. The excluded number is ___________
35
27
25
40
6
The record of a weather station shows that out of the past 300 days, its weather forecasts were correct 170 times. What is the probability that on a given day it was correct ?
7
In a furniture shop there are 12 chairs and 15 tables. A customer can buy a chair and a table in how many ways ?
120 ways
180 ways
24 ways
27 ways
8
In a football match, Ronaldo makes 4 goals from 10 penalty kicks. The probability of converting a penalty kick into a goal by Ronaldo, is ___________
9
21 boys and 23 girls participate in a painting competition. The probability that a girl wins the competition will be _____________.
Less than 1
More than 1
10
The mean of first 5 prime numbers is _________________.
5.8
6.8
5.6
6.5
11
A dart is thrown at a rectangular dartboard of length 10 cm and breadth 5 cm such that it will land randomly over the area of the dartboard. What is the probability that it lands in the rectangle CBFG where BC is 3 cm and BF is 2 cm?
None of these
12
Two coins are tossed simultaneously. The probability of getting at the most one head is _______________
13
Illustration: The marks obtained by 30 students of Class X of a certain school in a Mathematics paper consisting of 100 marks are presented in table below. Find the mean of the marks obtained by the students.
61
59
59.3
14
In the class interval 35 - 45, the lower limit is _______________ and the upper limit is ______________.
35, 45
45, 35
30, 40
15
The mean of x, x + 3, x + 6, x + 9 and x + 12 is _______________
x + 6
x + 3
x + 9
x + 12
The percentage of marks obtained by Shubham in 3 monthly unit test are: 1st-60, 2nd-58, 3rd-61 (60,58 and 61 are in %). Based on this data the probability that Shubham gets at least 60% marks in a unit test is:
1/3
2/3
3/2
3/121
17
The sum of probabilities of all the possible outcomes of an event is always
Lies between -1 and 1
Equal to 1
Equal to 2
18
Two coins are tossed simultaneously. The probability of getting at the most two heads is _______________
19
A random survey of numbers of children of various age group playing in a park was found as follows. Children playing under the age of 5 year are:
20
Out of 15 balls in a box, 5 are white in color, 3 are red in color, 7 are yellow in color Dhron picks up a ball without looking at it. The probability that it is not a red ball is:
5/4
1/5
4/5
21
The probability that the event will occur can have a value ____________
Less that 0
Between 0 and 1
Between 0 and 1 (both inclusive)
Can not be said
22
What is p(Not E) if p(E)=0.8?
0.8
0.2
1.8
23
What is the overall average of marks in the four subjects in the year 2009 ?
60
63
65
24
Which of the following cannot be the probability of a event ?
The score of a batsman in 80 ODI's is as follows:
What is the probability that in the next match the batsman will score at least 70 runs?
The mean of the data: 2.2, 10.2, 14.7, 5.9, 4.9, 11.1, 10.5 is ______________.
9.6
8.8
8.5
9.4
An unbiased wheel with numbers 1- 9 is rotated. Find probability of getting a multiple of 3 and 2.
28
29
Which of the following statement is/are correct?
(a) In a box there are 14 black balls, 10 yellow balls and 5 white balls. The number of outcome for selecting one of these balls is 29
(b) In library there are 12 Moral Science books, 5 General Science books. The number of ways in which a student can pick one of these books in 17 ways.
Both (a) and (b) are correct.
Only (a) is correct.
Only (b) is correct.
None of these.
30
A dice is rolled 100 times with these out comes: 1 -4, 2 -15, 3 - 38, 4 - 9, 5 - 10, 6 - 24. Find the probability of getting a number less than 1.
4/6
1/6
5/6