For the FIFA world cup, Paul the octopus has been predicting the winner of each match with amazing success. It is rumored that in a match between 2 teams A and B, Paul picks A with the same probability as A’s chances of winning. Let’s assume such rumors to be true and that in a match between Ghana and Bolivia; Ghana the stronger team has a probability of 2/3 of winning the game. What is the probability that Paul will correctly pick the winner of the Ghana-Bolivia game?
23 people are there, they are shaking hands together, How many handshakes possible, if they are in pair of cyclic sequence?
36 people {a1, a2, …, a36} meet and shake hands in a circular fashion. In other words, there are totally 36 handshakes involving the pairs, {a1, a2}, {a2, a3},.…, {a35, a36}, {a36, a1}. Then size of the smallest set of people such that the rest have shaken hands with at least one person in the set is ___?
If A(x1,y1),B(x2,y2) and c(x3,y3) are vertices of parallelogram, How many possible positions of fourth vertex D exist ?...plz share approach..ans is 3.
Last year I visited the Royal Enfield showroom on Diwali eve. I asked the price of a bullet, and the salesman replied, "the list price is Rs.1,20,000, however it is available at discount with Rs.20,000 down payment and 3 equal installments payable annually at 20% rate of interest per annum". The amount that I have to pay at the end of each year is approximately
a Rs.46,080 b Rs.39,778 c Rs.38,779 d Rs.37,978 Approach Please?
If N = (3^a × 3^b), a and b are any two integers whose range from 1 to 6 .What is the probability that N is a multiple of 729?
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How many points with integral coordinates are there inside a triangle, of area 250 sq units, that is right angled at (0,0) and has a vertex at (25,0)?
a 228 b 227 c 225 d 226 Approach Please?
. Rohan pick up Sohan from college at 3:30 pm. One day Sohan left the college at 2:30 pm, and start walking to home at 6 km/hr. He meets Rohan in the way who start at his normal time and reach home 24 minutes earlier than usual. Find Rohan’s speed.
ans- 24km/hr.. detail solution pls
Puys!!! Last yrs mock
There are 35 student in a lecture of physics of which the difference between the girls n boys is 5.the average of mark got by girls is 5 more than boys.the total mark got by boys are 50 less than girls.what is the average mark of total student
5 men went for fishing and returned with 12 fishes. How many ways could these have caught these fish ,given that no man catch more than 7 fish?
Ajay and Vijay had p coins and q coins respectively. Each of them starting with Ajay quadruple the number of coins with the other alternately. After 2N times of quadrupling the number of coins with the other where N is any positive integer greater than 10, each of them had the initial number of coins. p/q must be equal to?
Hello Folks,
I need previous years mocks. Kindly let me know the path of repository
Suppose the product of n consecutive integers is x . If (x+1)(x+2)(x+3)....(x+(n-1)) = 1000 , then n (the number of terms) can't be a)16 b)5 c)25 d)20
Can someone help me in solving this set
In a class of 120 students, the following information is known:
– 95% of the students like at least one fruit among Apple, Mango and Orange.
– The number of students who like Mango is equal to the number of students who like Orange.
– 20% of the students who like Apple like the other two fruits as well
.– 66.66% of the students who like exactly two fruits like Mango.– 40% of the students who like Apple like exactly one more fruit.
– The number of students who like Mango is 10 more than the number of students who like Apple
.– The number of students who like at least two fruits is equal to the sum of the number of students who like only Apple and the number of students who like only Mango.
no of ways in which a sum of 910 can be paid by using 10 paise, 50 paise and 1 Rs coin?
in an exam having 300 question 1 mark is awarded for every right question and 1/2 mark is deducted for wrong. number of distinct scores possible?
The max number of terms common to the a.p 3,7,11,15.....403 and 5,11,17....505 is??