The correct answer is D
If 5x - 13xy + 6y = 0, find x : y.
Find the value of 3/4 cot² 30° + cos² 30°-3cosec²60° + tan² 60°.
22% of ‘x’ is equal to 66% of ‘y’, then find the value of x: y.
(288 ÷ 8)² × (144 ÷ 24)³ = 24 × ? × (51840 ÷ 20)
If 2x + y = 15 and xy = 18, then the value of (4x² - y²)
If (x + y + z) = 68, (x/z) = (3/4) and (z/y) = (2/5), then find the value of ‘y’.
A company’s expenditure on three departments over four years is as follows (in thousands):
If a + (1/a) = 2, then find the value of (a5 + a3 + 6)/(7a – 5).
Find the value of
(1 - `1/(p+1)` ) + (1 - `2/(p+1)` ) + (1 - `3/(p+1)` ) + ........................... + (1 - `p/(p+1)` )