The average marks scored by Ajay in certain number of test is 84. He scored 100 marks in his last test. His average score of all these tests is 86, then the total number of tests he appeared is |
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(a) |
8 |
(b) |
7 |
(c) |
9 |
(d) |
10 |
The average marks scored by Ajay in certain number of test is 84. He scored 100 marks in his last test. His average score of all these tests is 86, then the total number of tests he appeared is |
|||||||
(a) |
8 |
(b) |
7 |
(c) |
9 |
(d) |
10 |