Interested to Buy Any Domain ? << Click Here >> for more details...
19.) When two unbiased dice are tossed simultaneously, the
numbers that appear on the top surface of the two dice are a
and b.What is the probability that a^b is a perfect square?
(a^b=a to the power of b)
a)1/3
b)2/3
c)23/36
d)11/18
ans:
20.) When two unbiased dice are tossed simultaneously, the
numbers that appear on the top surface of the two dice are a
and b.What is the probability that (a × b) is a perfect square?
a)5/36
b) 2/9
c) 7/36
d) 1/6
- 3 Answers
- 7733 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / abhishek
19 d.
for any number of a(1-6) and for b(2,4,6) the resultant a^b will be a perfect square hence probability + for a=4,1 and b=1 =(6C6 * 6C3)/36 +(6C1 * 6C1)/36+1/36=22/36=11/18
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / dipashri
19) answer= d)11/18
a=1 & b= 1/2/3/4/5/6 (6 possibilities)
a=2/3/5/6 & b=2/4/6 (12 possibilities)
a=4 & b=1 (1 possibility)
18/6=11/18
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / dipashri
19) answer= d)11/18
a=1 & b= 1/2/3/4/5/6 (6 possibilities)
a=2/3/5/6 & b=2/4/6 (12 possibilities)
a=4 & b=1/2/4/6 (4 possibilities)
22/36=11/18
20) answer= b) 2/9
a=1 b=1/4 (2 possibilities)
a=2 b=2
a=3 b=3
a=4 b=1/4 (2 possibilities)
a=5 b=5
a=6 b=6
answer= 8/38=2/9
| Is This Answer Correct ? | 1 Yes | 1 No |
5) Failure to use null indicator variable when referencing a nullable column will give the following SQLCODE a) +150 b) –001 c) +276 d) +305
how can u play a key role and how can i know that u are positive minded
A can do a piece of work in 20 days, which B can do in 12 days. In 9 days B does ¾ of the work. How many days will A take to finish the remaining work?
if out of x bulbs y bulbs are broken;the % of non broken bulbs
Can anyone help me out with the clerical examination aptitude test model (South Indian Bank).
if for h hours of work the salary is s and the employee gets x hours of medical leave, then what is the salary/hr ?
There are 2 toy cars facing each other at a distance of 500 cm from each other . Each other moves forward by 100 cm at a speed of 50 cm/sec and then moves back by 50 cm at a speed of 25 cm/sec . how long will it take the cars to collide each other ?
Integral B(Transpose)*sigma(here sigma means stress)*dV REPRESENTS?
can u send me last 5 years data entry operator exams' solved paper ?(SSC)
In a show, ticket numbers from 101 to 350 are made to sit consecutively. What is the probability that the number of the ticket, selected at random, will be a hundredth digit of 2?
Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the time the second cyclist started biking
pls send me current topics for GD for competitve exams my email id is tejalpg@yahoo.com
English 
