Category: ECE Math

Solution: Expand (x^2 – 2y)^6

Solution: At what time after 3’oclock will the hands of the clock be together?

Solution: The hundred’s digit is twice the unit’s digit. Find the number

Solution: Find the smallest number which when

Solution: In the expansion of (x^2- 1/x^3)^30, find the term (or term free of x)

Solution: Mary is twice as old as Ana was when Mary was as old as Ana is now. How old is Ana?

Solution: If 396 were subtracted from the number, the order of the digits will be reversed. Find the number

Solution: How many of each type did he buy?

Solution: How much tin and how much lead can be added to 700 kg of an alloy

Solution: How long will the pipe be able to fill up the tank?