#090722-04
In a binomial distribution, variance was found to be exactly half of the mean. If n=6, find probability of getting at least 4 successes.
In a binomial distribution, variance was found to be exactly half of the mean. If n=6, find probability of getting at least 4 successes.
Anonymous Quiz
15%
0.89063
52%
0.34375
30%
0.23438
4%
0.65625
#090722-05
Sum of all page numbers of a book was found to be 11282. However, it was later found that page number 21-22 was torn out from the book and was not counted in totals. What is the total number of pages in the book?
Sum of all page numbers of a book was found to be 11282. However, it was later found that page number 21-22 was torn out from the book and was not counted in totals. What is the total number of pages in the book?
Anonymous Quiz
21%
120
24%
165
27%
158
27%
150
#110722-01
First term of a GP is positive. Its third term is negative. Its common ratio is -
First term of a GP is positive. Its third term is negative. Its common ratio is -
Anonymous Quiz
19%
Positive
42%
Negative
24%
Either of the above
15%
None of the above
#110722-02
How can we ge frequency from a histogram?
How can we ge frequency from a histogram?
Anonymous Quiz
35%
It is the height of each rectangle
25%
It is the width of each rectangle
33%
It is the area of each rectangle
6%
It is the perimeter of each rectangle
#110722-03
In an arithmetic progression, 4th term is the square of the first term. The terms are the roots of the equation x^2-110x+1000 = 0 Find 5th term of this AP.
In an arithmetic progression, 4th term is the square of the first term. The terms are the roots of the equation x^2-110x+1000 = 0 Find 5th term of this AP.
Anonymous Quiz
22%
100
44%
120
28%
130
6%
150
#110722-04
CLI increased from 134 to 189, and salary of a person increased from 7,50,000 to 11,40,000. What will happen to his standard of living?
CLI increased from 134 to 189, and salary of a person increased from 7,50,000 to 11,40,000. What will happen to his standard of living?
Anonymous Quiz
42%
It’ll increase
33%
It’ll decrease
23%
It’ll remain same
2%
Cannot comment
#120722-01
You can invest Rs. 10000 among two shares, A and B. A can give 8% return and B can give 10%. You can invest max 6000 in either of the stocks. What will be your maximum profit?
You can invest Rs. 10000 among two shares, A and B. A can give 8% return and B can give 10%. You can invest max 6000 in either of the stocks. What will be your maximum profit?
Anonymous Quiz
29%
1000
47%
920
15%
800
9%
478
#120722-02
5 MCQs are put daily on this Telegram channel for first 5 days. For next 5 days, 6 MCQs are posted daily. For next 5 days, 7 are posted and so on. How many total MCQs will be posted over 60 days?
5 MCQs are put daily on this Telegram channel for first 5 days. For next 5 days, 6 MCQs are posted daily. For next 5 days, 7 are posted and so on. How many total MCQs will be posted over 60 days?
Anonymous Quiz
15%
600
53%
630
19%
540
13%
680
#130722-01
A person needs Rs. 5,00,000 after 4 years for a particular payment. How much should he invest annually, starting from this year end, so mee the obligation, if he can get 6% return?
A person needs Rs. 5,00,000 after 4 years for a particular payment. How much should he invest annually, starting from this year end, so mee the obligation, if he can get 6% return?
Anonymous Quiz
25%
123457
36%
156478
16%
143987
23%
144296
#130722-02
How many ways are there to arrange 5 identical % signs and 3 identical & sign in a row
How many ways are there to arrange 5 identical % signs and 3 identical & sign in a row
Anonymous Quiz
26%
40320
38%
56
25%
720
11%
5040
#130722-03
*Difficult*
Standard deviation of the two roots of the equations 2x^2-940x+c=0 is 175 Find 'c'
*Difficult*
Standard deviation of the two roots of the equations 2x^2-940x+c=0 is 175 Find 'c'
Anonymous Quiz
16%
62
44%
45800
28%
49200
11%
530
#160722-02
Find correlation coefficient between x and y - x: 5, 8, 6, 2, 4, 7, 0 y: 7, 9, 1, 0, 5, 6, 2
Find correlation coefficient between x and y - x: 5, 8, 6, 2, 4, 7, 0 y: 7, 9, 1, 0, 5, 6, 2
Anonymous Quiz
26%
0.587
40%
0.012
26%
-0.941
9%
0.667
#180722-01
There are approx 1.92 lakh students appearing for a particular exam. A gets 99.62 percentile in the exam. How many students have scored more than him (Approx)?
There are approx 1.92 lakh students appearing for a particular exam. A gets 99.62 percentile in the exam. How many students have scored more than him (Approx)?
Anonymous Quiz
13%
654
38%
854
44%
730
4%
511
#190722-01
In a language, 'It is awesome' is 'o toko fi' 'you are awesome' is 'ler gut o' 'They are going' is 'kit gut bot' 'You must get going' is ' bot joke jim ler' What can be 'They must get it'?
In a language, 'It is awesome' is 'o toko fi' 'you are awesome' is 'ler gut o' 'They are going' is 'kit gut bot' 'You must get going' is ' bot joke jim ler' What can be 'They must get it'?
Anonymous Quiz
30%
kit jim joke fi
32%
toko joke jim kit
22%
bot gut joke kit
17%
A or B
#230722-01
A has 4 friends and B, A's spouse has 5 friends. How many ways are there to invite 4 guests to the party so that at least one of A and B's friends are there?
A has 4 friends and B, A's spouse has 5 friends. How many ways are there to invite 4 guests to the party so that at least one of A and B's friends are there?
Anonymous Quiz
25%
126
39%
120
25%
6
11%
48
Distributions
Probability of getting an easy question in paper is 0.4. What is the probability that out of 10 questions, none will be easy?
Probability of getting an easy question in paper is 0.4. What is the probability that out of 10 questions, none will be easy?
Anonymous Quiz
38%
0.00605
32%
0.45103
21%
0.07143
10%
0.03011