If second no is twice the first no and first no is thrice
the third no.Their avg is 20.Find the greatest no?

Answer Posted / sujoy

1=3y
2=6y
3=y

if average is 20, then sum of three nos is 60

3y+6y+y=60
then,10y=60
or,y=6

then the greatest no. is the second no. i.e. 36

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Package information is stored in a) DB2 Directory b) DB2 system tables c) DB2 catalog tables d) None of the above

1653


In a pond ecosystem, large fishes and small fishes will be there. If we want to remove small amount of pollutants, small fishes are to be employed. In a food chain food passes through a number of mouths and en route the mouth of the super feeder-the eagle. Its population determines the size of the ecosystem. But this has been proved false.What can you infer from above? (4 choices)

727


If a ball falls from 16 feet takes 4 seconds. How much time it will take when falls fron 64 feets.

788


A clock with the hours round the face in Roman block numbers, as illustrated in the sketch fell down and the dial broke into four parts....

2012


Dr. Martin A. Tidball, along with colleagues at two universities, are working on uncovering the mysteries of glucose uptake, a discovery of new details about active ATP transport, and a drug to enhance facilitated diffusion. are working hard to uncover the mysteries of glucose uptake, discover new details about active ATP transport, and enhance facilitated diffusion with the help of a drug is working on uncovering the mysteries of glucose uptake, discovering new details about ATP transport, and enhancing facilitated diffusion via a drug is working to uncover the mysteries of glucose uptake, discover new details about active ATP transport, and enhancing facilitated diffusion with the help of a drug are working on uncovering the mysteries of glucose uptake, a discovery of new details about active ATP transport, and a drug to enhance facilitated diffusion

1455






Ronak's mother is the only daughter of Jasmeet's father. How is Jasmeet's husband related to Ronak?

723


A triangle has sides of lengths 10, 24 and k. k is a positive integer. The number of values of k for which this triangle has three acute angles is

913


one grandfather has three grandchildren, two of their age difference is 3, eldest child age is 3 times youngest child’s age and eldest child’s age is two times of sum of other two children. What is the age of eldest child?

883


Can you find out what day of the week was January 12, 1979?

843


In a company 30% are supervisors and 40% employees aare male if 60% of supervisors are male what is the probability that is randomly choosen employee is a male or female?

952


Area of triangle=(1/2)*b*h base increased by 4 times & height is divided by 2, the net effect of area?

854


The age difference between two brothers is 3 years. After 6 years the ratio between the age is 9:8 What are their ages?

835


two trees are there. one grows at 3/5 of the other. in 4 years, total growth of trees is 8 ft. what growth will smaller tree will have in 2 years.

754


What was the aggregate of marks obtained by sajal in all the six subjects?

823


Two distinct no's are taken from 1,2,3,4......28. Find the probability that their sum is less than 13

878