Algebra Advanced

The cost of 1 apple is and the cost of 1 orange is . If Mukul bought 4 apples and 4 oranges, then find the amount paid by Mukul.

In a morning walk, three persons step off together. Their steps measure 80 cm, 85 cm and 90 cm respectively. What is the minimum distance each should walk so that all can cover the same distance in complete steps?

The length, breadth and height of a room are 625 cm, 425 cm and 350 cm respectively. Find the longest tape which can measure the three dimensions of the room exactly.

Find the value of [-13 + (-20) – 11 – (-10)]

1331 is divisible by which of the following number?