Question
Parthenium hysterophorus (Congress grass) can be
controlled by:Solution
Zygogramma bicolorata : Biologically control Parthenium hystophorus.
- If p = 20 - q - r and pq + r(p + q) = 154, then find the value of (p² + q² + r²).
Rs. 25200 is invested in 3 parts in such a way that Simple Interest on 1st Part at 4% per annum for 3 years, Simple Interest on 2nd
In â–³ ABC, ∠ A = 90°. M is the midpoint of BC and D is a point on BC such that AD êž± BC. If AB = 7 cm and AC = 24 cm. then AD: AM is equal to:...
In a triangle ABC, a point D lies on AB and points E and F lie on BC such that DF is parallel to AC and DE is parallel to AF. If BE = 4 cm. EF = 6cm. th...
- If, 4x + 3y = 18, and 2xy = 12, and 4x > 3y, then find the value of 64x 3 Â - 27y 3 .
- If p² + q² + r² = 240 and pq – qr – rp = 64, then determine the value of (p + q – r) ².
Suppose xy = -15 and (x² + y²) = 34, then determine the value of (x – y).
If the seven-digit number 94x29y6 is divisible by 72, then what is the value of (2x+3y) for x ≠ y?
If 3y-3/y=18 then find the value of y² +1/y²