self Maths Puzzle

Find the mistake in the below maths equations...
A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

Read Solution (Total 0)

self Other Question

shyam has to secure 40% marks to pass his B.tech final exams.He got just 40 marks and failed by 40-marks.What is the maximum marks ?
Marie is getting married tomorrow, at an outdoor ceremony in the desert. In recent years, it has rained only 5 days each year. Unfortunately, the weatherman has predicted rain for tomorrow. When it actually rains, the weatherman correctly forecasts rain 90% of the time. When it doesn't rain, he incorrectly forecasts rain 10% of the time. What is the probability that it will rain on the day of Marie's wedding?