In the series one term is wrong. Find the wrong term :
(a)1/2,1, 3, 12, 60, 300, 2520
0.14 x 0.14 = ................
6.28 0.002 = ............
Insert the correct mathematical operation :
4.............. 2.............. 5 = 13
A car travels from A to B at 30 kmph and from B to A at 20 kmph. Average speed is :
4, 10, 22, 46, ..................