The 10th term from the end of the A .P., 8,10, 12,........ 126 is
(a) 107 (b) 106 (c) 108 (d) 109
Solution not provided.
Ans. (c)
The first term, common difference and last term of an A .P. are 12, 6 and 252 respectively. The sum of all terms is
(a) 5410 (b) 5411 (c) 5412 (d) 5413
The sum of all two digit positive numbers divisible by 3 is
(a) 1664 (b) 1665 (c) 1666 (d) 1600
If a6 – a5 is 200 then the value of a7 – a6 of the same A .P. will be
(a) 100 (b) 400 (c) 200 (d) 300
Find the sum of three numbers is an A .P. is 27 and their product is 405. The numbers are : (a) (3,9,15) (b) (15, 9, 3) (c) both (a) and (b) (d) (3, 9, 12)