If the mean of 5, 9, x, 7, 4, y is 7, then relation between x and y is |
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(a) |
x + y = 42 |
(b) |
x + y = 17 |
(c) |
x – y = 10 |
(d) |
x – y = 42 |
If the mean of 5, 9, x, 7, 4, y is 7, then relation between x and y is |
|||||||
(a) |
x + y = 42 |
(b) |
x + y = 17 |
(c) |
x – y = 10 |
(d) |
x – y = 42 |