Question

1. Find the 10th term from the last of the AP 8,10,12...............126.
2. Cost of 10 apple and mongo is $ 109 . While the cost of 3 apple and 10 mango is $60. Find the cost of 1 apple and 1 mongo together.
Find whether the quadratic equation x square- x + 2 = 0 has real roots or not .

Answer 1

126,124,122,120,118,116,114,112,110,108,106,104,............12,10,8.
10th term from the last is 108.