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• Decathlon is an athletics event which consists of 10 competitions. • It is a two-day event and ten events are divided over two days (five competitions per day). • 100 meters, shootout, discus, javelin, long jump, high jump, Pole vault, hurdle, 400 meters and 1500 meters are the ten events. • The event ordering is different for men and women. • The athletes completing all the events do runs of honour in the end and banking is done according to their points scored. • Kevin Mayer in the men's category and Austra Skujyte in women's category are the current record holders.
If 5x - 13xy + 6y = 0, find x : y.
If x – 1/x = 9, then x3 – 1/x3 is:
If x + y + z = 4, xyz = 6 & x2 + y2 + z2 = 8 then find the value of x3 + y3 + z3.
If (p/q) = (7/8) and (q/r) = (3/11), then the find the value of {(r – p)/(p + q)}.
If 3x + (1/3x) = 9 then find 27x³ + (1/27x³ ) = ?