Question
Three numbers are in ratio 5:6:7. If the sum of the
squares of those three numbers is 440 then find the sum of the three numbers.Solution
A : B : C = 5x : 6x : 7x A2 + B2 + C2 = 25x2 + 36x2 + 49x2 = 110x2 => 110x2 = 440 => x = 2 => A + B + C = 5x + 6x + 7x = 18x = 18 × 2 = 36
How many badminton players are not hockey players?
Which of the following diagrams indicates the best relation between Professors, Men and Women?
Find out the number of all those people who can speak both Malayalam and Tamil?
How many people visited only Shimla?
In the question, assuming the given statements to be true, find which of the conclusion (s) among given two conclusions is /are definitely true and the...
In the following diagram which symbol indicates only artist, but not an Indian or a manager?
Select the Venn diagram that best represents the relation between the following classes. Doctor, Lawyer, Male
Select the Venn diagram that best represents the relation between the following classes. Wood, Bed, Chair
Seven girls Pw, Qw, Rw, Sw, Tw, Uw and Vw are sitting around a circular table facing the centre. Rw is an immediate neighbour of both Tw and Uw. Sw is s...
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдЬрд╛рдирдХрд╛рд░реА рдХреЛ рдкрдврд╝рд┐рдП рдФрд░ рдиреАрдЪреЗ рджрд┐рдП рдЧрдП рдкреНрд░рд╢реНрдиреЛрдВ рдХреЗ рдЙрддя┐╜...
Relevant for Exams:
