Question
We quite often use the term economies of scale. What
does this mean?Solution
Economies of scale means reduction in the unit cost of production.
- If p = 25 - q - r and pq + r(p + q) = 256, then find the value of (p² + q² + r²).
If (x+1/x)2 = 3 Then the value of
x96 + x66 + x42 + x18 + x12 + 1 is
If (6m – 5n) 2  = 7 and 30mn = 60, then find the value of (6m + 5n) 2  + 16mn.
Find the value of
(1 - Â `1/(p+1)` ) + (1 - `2/(p+1)` Â ) + (1 - `3/(p+1)` Â ) + ........................... + (1 - Â `p/(p+1)` )
(123×123×123 + 130×130×130)/(123×123 - 123×130 + 130×130) = ?Â
A sum of Rs. 25,000 is invested in SIP 'G' which offers 7% p.a. simple interest for 7 years. The interest received from SIP 'G' is invested in SIP 'H' w...
(408 × 680)÷(20% of 680) = (250 × 260)÷ 10 + ? – 4500

If x + y + z = 6, and x3 + y3 + z3 = 36, xyz = 6 then find (xy +yz + zx)?
If (a + b) = 13 and (a2 + b2) = 85, then find the value of (a × b).