Questions

What is the difference of the cube and square of the common root of (x2 – 8x + 15) = 0 and (y2 + 2y – 35) = 0?

If 20 men working 8 hours per day can complete a piece of work in 21 days. How many hours per day must 48 men work to complete the same job in 7 days?

If y=2-x1+x, then what is the value of 1y+1 + 2y+1y2-1 ?

The first history book was written by

An eudiometer measures

If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is

A cricketer, whose bowling average was 12.4 runs/wicket takes 5 wickets for 22 runs in a match, thereby decreases his average by 0.4. The number of wickets, taken by him before this match was:

A] The author of the novel 'Bird Box' is Victor LaValle.
B] The author of the novel 'The Devil in Silver' is Josh Malerman.
C] The author of the novel 'Fellside' is Victor LaValle.

Which of the statements given above are not correct?