Question
Efficiency with which irrigation water is conveyed from
the source to field is indicated bySolution
If a = 32, b = c = 31, then find the value of a 3  + b 3  + c 3  – 3abc.
If (54√2 x³ +24√3 y³)÷(√18 x + √12 y) = Ax² + By² + Cxy, then what is the value of A² - (B²...
- If (u + v) = 11 and uv = 24, then find the value of (u² + v²).
If (x – 3) is a factor of (x2 + 4qx – 2q), then the value of q is:
‘a’ is directly proportional to ‘b’. If at a=30, the value of ‘b’ is 20% greater than ‘a’, then find the value of ‘a’ when b=54.
...In Δ ABC, ∠ B= 68° and ∠ C 32°. Sides AB and AC are produced to points D and E, respectively. The bisectors of ∠ DBC and ∠...
- If n = 5 + √6, then find the value of (n + 1/n)².
If (a + b + c) = 9, find (a – 4)3 + (b – 2)3 + ( c – 3)3 – 3(a – 4 ) (b – 2 ) (c &n...

- If (m + n + o) = 16 and (mn + no + om) = 80, then find the value of (m² + n² + o²).