Question
Product X requires 10 Kg of material at the rate of Rs.
5 per Kg. The actual consumption of material for the manufacturing of product X came to 12 Kg of material at the rate of Rs. 6 per Kg. Calculate material cost variance.Solution
The correct answer is D
(√ (sec2 θ + cosec2 θ )) ((sinθ (1 + cosθ ))/(1 + cos&thet...
Simplify the following expression:Â (8x - 6y - 5z)Â 2
If [8(x + y)3 – 27(x – y)3] ÷ (5y – x) = Ax2 + Bxy + Cy2, then the value of (A2 - 2B + 3C)...
48 24 24 48 ? 1536
...If a + (1/a) = 2, then find the value of (a5 + a3 + 6)/(7a – 5).Â
If x + y + z = 30, x² + Y² + z² = 460 and x z = y², then find the value of x z?
If 8x3Â - 125y3Â = (2x - Ay) X (Bx2Â + 25y2Â + Cxy), then find the value of 3 X (2A + 6B) - 2C.
The length of a rectangle is four times its breadth. If its length is increased by 20 cm and breadth is increased by 20 cm, the area of the rectangle is...
Which of the following statements is correct?
I. If x = 12, y = –2 and z = –10, then x³ + y³
+ z³ = 720
II. If x + y = 48 an...
If (x – 12)3 + (x – 5)3 + (x – 7)3 = 3(x – 12)(x – 5)(x – 7) then find the value of (x2 + 5x...
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