If 20 * 3 = 180 and 4 * 5 = 100 then value of 7 * 7 is |
|||||||
(a) |
21 |
(b) |
49 |
(c) |
343 |
(d) |
7 |
If 20 * 3 = 180 and 4 * 5 = 100 then value of 7 * 7 is |
|||||||
(a) |
21 |
(b) |
49 |
(c) |
343 |
(d) |
7 |