three numbers are in the ratio 2:3:5 and the sum of their
squares is 152, what will be their sum ?

Answer Posted / naveen

let the three numbers be 2x, 3x ,5x

sum of their squares is to be 4x^2+9x^2+25^2 = 152

then, 38x^2=152

x^2=4
x=2

the sum of the numbers = 2x+3x+5x=2*2+3*2+5*2=4+6+10

=20 (ans)

Is This Answer Correct ?    24 Yes 7 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

The ratio of cost price to the market price of an article is 4: 5. What is the profit percentage if the ratio of the profit percentage on selling the article to the discount allowed on it is 5: 4?

688


A man spends half of his salary on household expenses, 1/4th for rent, 1/5th for travel expenses, the man deposits the rest in a bank. If his monthly deposits in the bank amount 50, what is his monthly salary ?

851


Find the next three terms of the series; 1, 4, 9, 18, 35 - - - - -

775


There are 9 balls of equal size and same weight (they look similar) except 1. How may weighs required to find the dissimilar ball using a weighing balance?

730


Find the next series: AE BH CM DU?

858






Ram gets 148 marks for 20 questions. +10 for correct. -3 for wrong. How many correct answers?

851


X and Y are partners in a business. X invests 300 for 12 months and Y invested 600 for 6 months. If they gain a profit of 700 at the end of one year, what is X's share?

1373


Find the Series number: 0,2,3,5,8,10,15,17,24,26,..

715


The ratio of the number of boys and girls in a school is 3:2 Out of these 10% the boys and 25% of girls are scholarship holders. % of students who are not scholarship holders.?

794


f(f(x))=81 THEN VALUE OF X=

816


A ridge formed over Pacific Ocean was because of the intersection of two volcanoes. But in history it was written that it was not due to those volcanoes. It proves a contradictory to form the view that history will be proved wrong in the future.Inference?

600


A car is filled with four and half gallons of fuel for a round trip.If the amount of fuel taken while going is 1/4 more than the amount taken for coming, what is the amount of fuel consumed while coming back?

935


The price of sugar increases by 20%, by what % should a housewife reduce the consumption of sugar so that expenditure on sugar can be same as before ?

788


what is focus liner in gc hs?

1981


sir i need rrb secunderabad goodsguard previous exam papers

1800