In a college basketball contest, players must make 10 free throws. Assuming a player has 90% chance of making each of his shots, how likely is it that he will make all of his first 10 shots?(a) 30% (b) 35% (c) 45% (d) 50%
The Central Library has 3 kinds of books: fiction, non-fiction and biology. Ratio of fiction to non-fiction is 3 to 2; ratio of non-fiction to biology is 4 to 3, and the total of the books is more than 1000. Which one of following can be the total number of books?(a) 1001 (b) 1009 (c) 1008 (d) 1007
Several runners, numbered 1, 2, 3,……. and so on, start simultaneously at the same point on a circular track and run continuously, in the same direction, around the track. They run such that the speed of the runner numbered n (n>1) is n times that of the runner numbered 1. If there are exactly six runners, then at how many distinct points on the track is the runner numbered 1 overtaken by any of the other five runners?
Guys
Please solve this question. Post your approach too
Question has been attached
how to solve this question ,need step by step procedure.
options are:-
1.5:13
2.1:2
3.5:8
4.1:1(OA)
on a horizontal surface rat running 20mps chasing insect at 5mps. The surface,rat and insect all moving in same direction. If 75m is the distance between rat and insect at the moment, rat start chasing the insect and surface moving at 25mps. How much time for rat to catch the insect?
- 20
- 15
- 10
- 5
0 voters
In how many ways can 6 boys stand in line such that X always stands before Y and Y always stands before Z ?
Plz explain...
50 green balls, 50 blue balls and 50 yellow balls are kept together in a large basket. Some students picked all the balls in the basket where it was noted that none of them picked more than one ball of the same colour. Additional information available is: I. The number of students picking up only green balls is 10 more than the number of students picking up only yellow balls. II. Of all the students who picked up a blue ball, exactly 20 picked up at least one more ball. III. The total number of balls with all the students having blue ball is 74.
What can be the minimum possible number of students?
a 80
b 83
c 73
d 104
e 93
plzzzz share ur approach too..😠
Three milkmen Ramu, Kamu and Namu had 5L, 10L and 15L of milk-water solution respectively. In the solution that Kamu and Namu had, the ratio of milk and water were 2 : 3 and 1 : 4 respectively. All of them sat together and mixed their respective solutions together. They sold the combined mixture at Rs. 20 per liter and Ramu got Rs. 2.5 for every liter of mixture sold. What was the milk-water ratio in the solution that Ramu had with him??? (Assume water comes free of cost and they share the revenue earned in the ratio of milk content)
a 1 : 4
b 2 : 3
c 1 : 5
d 3 : 5
e 4 : 1
help me out with this ques share your approach guys
help me out with this ques share your approach guys
There is a sequence of numbers whose nth term is tn. It is given that tn = (tn €“ 1 €“ 1)2 + 1, where n is a positive integer greater than 1. If t1 = 3, what is the product of the first 10 terms of the sequence?
- 2^1023 – 1
- 2^2048 – 1
- 2^512 – 1
- 2^1024 – 1
0 voters
plz help 1+3+6+10+...... +n=3276 find n?
solve 😃
There are eight boxes of chocolates, each box containing a distinct number of chocolates from 1 to 8. In how many ways can four of these boxes be given to four persons (one box to each person) such that the first person gets more chocolates than each of other three, the second person gets more chocolates than the third as well as the fourth persons and the third person gets more chocolates than the fourth person?
- 210
- 70
- 105
- 35
0 voters
Columbus Travels Ltd. is a travel services company which plans holidays for its customers. The company keeps analyzing its customers' preferences of holiday destinations and their frequencies of travel. Some of the customers choose to go abroad for holidays. The following bar-graphs show data related to the first eight months of year 2007. 
1) At most how many customers could have gone abroad in the month of June 2007?
a. 18
b. 23
c. 22
d. 17
2) What percentage of all the customers went abroad from January 2007 to August 2007?
a. 19.73%
b. 17.83%
c. 15.63%
d. 13.43%
P and Q together can complete job in 12 days, Q and R together can complete in 15 days,P and R can complete job in 18 days. All d three work together for 3 days and then R leaves . in hw mny days p and q can complete remaining work.
Approach plz
To complete a job P takes half as long as Q and R together take. Q takes 8 times as long as p and r together take. All three together can complete job in 20/3 days. find times taken by each p, q and r to complete it