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
- 6717 Views
- I also Faced
- E-Mail Answers
Answer Posted / 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 |
Post New Answer View All Answers
If f(0)=1 and f(n)= f(n-1)*n, find the value of f(4).
One guy (some name) has Rs. 100/- in hand. He has to buy 100 balls. One football costs Rs. 15/, One Cricket ball costs Re. 1/- and one table tennis ball costs Rs. 0.25 He spend the whole Rs. 100/- to buy the balls. How many of each balls he bought?
What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12
3/p=6, 3/q=15 ......find p-q
What is the probability of getting 3 or 4 in 3 consecutive rolls of a dice ?
they asked the temperature problem.it was same as previous papers.the ratio was -t*t/6+4t+12.
Starting from point A, Jayant walked 15m towards west. He turned left and walked 20 m. He then turned left and walked 15m. After this he turned right and walked 12m. in which direction is Jayant from X and how far has he walked from point X?
the average of seven numbers is 2.5 then their product
Can someone please send me the question paper for graduate level both tier 1 and tier 2 with detailed solution of maths exam (Tier 2). Please,suggest me the ways and books to prepare for this exam.Please, send this answer on my email Id
how to get the system time dynamically in orcle
A piece of cloth costs Rs 35. If the piece were 4m longer and each meter costs Re 1.00 less, the cost would remain unchanged. How long is the piece?
What kind of questions are there in Harbinger Aptitutde test paper(for 2011)and their paper pattern?Plz reply urgently.
a hollow space on earth surface is to be fille((d) total cost of filling is rs 20000. The cost of filling per mt3 is rs 225 .how many times a size of 3 mt3 soil is required to fill the hollow space?
A certain street has 500 buildings. A sign-maker is contracted to number the houses from 1 to 500. How many zeroes will he need?
in space ship 5men are going1.doctor,drug asdditive 2.lady lawer has done crime 3.teacher emotinally imbalanced 4. 18 year old aeruonautical engineer 5. noble lauraut .suddenly some thing happend and oxygen is available to only three people to use which of three you choose
