Question
In a factory of 40 labours, if the two labours left the
job whose wages were Rs. 950 and Rs. 1050 and two new labours join the factory which results in decrease in the average wages to Rs. 25. Then find the average salary of the new comers.Solution
Total salary of new labours = (950+1050) – 40 × 25 = 2000 – 1000 = Rs. 1000 Average salary = 1000/2 = 500

(x + 1)2 + (y – 3) 2 + (z + 5) 2 = 0, then find the value of 2x + 3y - z.
If p = 36 - q - r and pq + r(q + p) = 310, then find the value of (p² + q² + r²).
If x + 1/x = 3, find the value of x³ + 1/x³.
If a = 701, b= 703 and c= 706, then find the value of a³ + b³ +c³ –3abc?
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
Given that x = 80, y = -35 and z = -45, Determine the value of [(x³ + y³ + z³)/10³]
(√ (sec2 θ + cosec2 θ )) ((sinθ (1 + cosθ ))/(1 + cos&thet...
If x = 35, then the value of x5 - 36x4 + 36x3 - 36x2 + 36x - 1 is