If second no is twice the first no and first no is thrice
the third no.Their avg is 20.Find the greatest no?
Answers were Sorted based on User's Feedback
Answer / shankaragowda b.b.
y=2x
x=3z
z=x/3
(x+y+z)/3=20
(x+2x+(x/3)/3=20
(3x+6x+x)/9=20
10x=180
x=18
y=18*2=36
z=x/3=18/3=6
Greatest no is 36 (y).
| Is This Answer Correct ? | 0 Yes | 0 No |
A lady has fine gloves and hats in her closet- 13 blue, 27 red, and 40 yellow. The lights are out and it is totally dark. In spite of the darkness, she can make out the difference between a hat and a glove. She takes out an item out of the closet only if she is sure that if it is a glove. How many gloves must she take out to make sure she has a pair of each color?
Find the nth number in the series is 1, -3, 5, -7.___
which is the largest exhibition ground in asia
What is the selling price of a car? If the cost of the car is Rs.60 and a profit of 10% over selling price is earned.
0 Answers 3i Infotech, Canara Bank, iSoft,
There are 8 billiard balls, and one of them is slightly heavier, but the only way to tell was by putting it on a weighing scale against another. What's the fewest number of times you'd have to use the scale to find the heavier ball?
A man engaged a servant on a condn that he’ll pay Rs 90 and also give him a bag at the end of the yr. He served for 9 months and was given a turban and Rs 65. So the price of turban is i. Rs : 10 19 0 55
9 Answers Accenture, Cap Gemini,
rajesh purchase 3 types of candies with 1 doller costin:$0.05,$0.02,$0.01 he purchase 10 candies of $.01 find quantity he buys for different candies
A number when divided by D leaves a remainder of 8 and when divided by 3D leaves a remainder of 21 . What is the remainder left, when twice the number is divided by 3D?
Four Members A, B, C, D are playing a game .A person losing a game should double the amount of others .B, C, D are losing in order after three games .The amount after 3 games are A&B having 40,D is having 16&C 80. Who started with small amount of money?
the probability of getting at least in a single through of three coins is
What is the height of the cone of diameter 12 cm that is formed after melting a sphere of 6 cm diameter?
mukesh and anil ambani invested amount in business and made in the ration 17:13 and made some profits. if mukesh earned 800 rs more than anil. then what is the profit they have earned....?