Question
The United Nations Conference on Environment and
Development (UNCED) took place at _______ in the year_______ Â Convention on biological diversity and ______ were among its major outcomes.Solution
The correct answer is D

If (54√2 x³ +24√3 y³)÷(√18 x + √12 y) = Ax² + By² + Cxy, then what is the value of A² - (B²...
If {1/(y + 1) + 1/(y + 5)} = {1/(y + 2) + 1/(y + 4)}. Find the value of yÂ
If (a + b) = 7 and ab = 9, then find the value of (a2Â + b2).

A shopkeeper marked his article 25% above its cost price and offered a discount of 30%. If cost price of the article is Rs. 560, then find profit or los...
- If p² + q² + r² = 240 and pq – qr – rp = 64, then determine the value of (p + q – r) ².
- If (x + y + z) = 10 and (x 2 Â + y 2 Â + z 2 ) = 52, then find {z(x + y) + xy}.

48 24 24 48 ? 1536
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