I. 70x² - 143x + 72 = 0 70x² - 63x - 80 x + 72 = 0 7x(10 x – 9) – 8(10 x – 9) = 0 (7x – 8) (10 x – 9) = 0 ∴x = 9/10 ,8/7 II. 80 y² - 142y + 63 = 0 80 y² - 70 y - 72y + 63 = 0 10y(8 y – 7) – 9(8 y – 7) = 0 (10 y – 9) (8 y – 7) = 0 ∴y = 9/10 ,7/8 Hence, x≥y.
Seven friends J, K, L, M, P, Q and R are sitting in a row facing east. K is sitting between Q and J. R is to the immediate left of M. Two friends are si...
Who among the following person sits seventeenth from the right end?
Who among the following sits fourth to the right of N?
Who among the following person sits immediate right of A?
Six girls, P, Q, R, S, T and V, are sitting around a circular table. All of them are facing towards the centre of the table (but not necessarily in the ...
--------------- and ---------sit adjacent to V.
Who among the following sits opposite to H?
Who among the following persons sits on the left end of both rows?
Eight friends, F, G, H, I, J, K, L and M are sitting in a line facing north. J is sitting at one of the corners. G is sitting between M and H. L is sitt...
Sonu likes which of the schools?