Book Maths Puzzle

(x-1)(x-2)(x+1)=x^3
find x

Read Solution (Total 4)

Book Other Question

three people went to a hotel there they eat one burger the cost was 60 so they gave 20 each late on it was find that the cost of burger was 50 so the servent had to distribute the money among 3 people. He give 3 to each and he used the 1 rupee himself now after receiving 3 rupees they gave 17 each for the burger now 17+17+17+1(1 for the servant) by adding 52 find why there is 2 rupees extra A vertical pole and a vertical tower are on the same level ground. From the top of the pole the angle of elevation of the top of the tower is 60 and the angle of depression of the foot of the foot of the tower is 30. Find height of the tower if the height of the pole is 20m