AB & CD are 2 poles whose heights are a & b units respectively.The line segment joining AD & BC intersect at O.Prove that the height of point of intersection of AD & BC(i.e,O) above the level ground is ab÷a b
Question
A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:
X = {1, 2, 3, 4} X ലെ ഓരോ ബന്ധവും X × X ൽ നിന്നുള്ള ഒരു പ്രവർത്തനമാണോ എന്ന് നിർണ്ണയിക്കുക
