the ratio of white balls to black balls is 1:2. if 9 balls
are added then the ratio of the balls become 2:4:3. find
the number of black balls. a) 12 b) 6 c)9 d)none
Answer Posted / teja
6
| Is This Answer Correct ? | 1 Yes | 4 No |
Post New Answer View All Answers
sadrine's avg on four tests is 80 which of the following cannot be the number of tests on which she earned exactly 80 points
the bucket size is 10KB.it takes 0.0001 KB/milisec to fill bucket.the bucket takes 100 or 1000 milisec to reach to destination.it takes 100 milisec to pass acknowledgement from dest to source.so calculate how much time will it take to pass N KB ,write formula. i don't remember the exact figures of bucket transmission time from source to dest
Two trains are travelline at equilateral .Train A is travelling in the direction of earths spin.Other train B is travelling in opposite direction of earths spin.Which trains wheels will wear first?and why?
A can do a piece of work in 30 days, which B can do in 20 days. Both started the work but A left 5 days before the completion of the work. It took how many days to complete the work?
If a bat costs Rs.30 in the year 1999 and Rs.250 in the year 2000.What is the percent increase in price?
In a group of 15,7 have studied Latin, 8 have studied Greek, and 3 have not studied either.How many of these studied both Latin and Greek
There are three persons A,B,C .A shots the target 6 times out of 7 shots .B shots 4 out of 5 shots .Then what is the probability of hitting the target twice when 2 persons are selected at random.
A says Party was held on :Thursday ,May 8th. B says Party was held on :Tuesday,May 10th. C says party was held on :Friday ,June 8th. Given April 1 st was Tuesday.one of A,B,C says 1 correct.one says 1 wrong.and one was completely wrong of date,Month and day. Find the Day the party held.
There is a 4 inch cube painted on all sides. This is cut down into of 1 inch cubes. What is the no of cubes which have no pointed sides.
Olympic race : 4 contestants : Alan,charlie, Darren ,Brain. There are two races and average is taken to decide the winner.one person comes at the same position in both the race. Charlie always come before darren. Brian comes first once. Alan comes third at least once. Find the positions. Alan never comes last. Charlie & darren comes 2nd at least once.
Find the correct choice if the sum of any 4 consecutive numbers is divisible by a number?
a cylinder ingot 6cms in diameter and 6 cms in height is and spheres all of the samesize are made from the material obtained.what is the diameter of each sphere?
A train overtakes two persons walking along a railway track. The first one walks at 4.5 km.hr . the other one walks at 5.4 km/hr. the train needs 8.4 and 8.5 seconds respectively to overtake them, What is the speed of the train if both the persons are walking in the same direction as the train?
The ratio of the length : breadth : height of a cuboid is 5 : 4: 3, and the volume is 7500. What will be its surface area ?
a father is 30 times more than his son however he will be only thrice as old as the son what is father's present age ?