#### If the first term of an A.P. is -5 and the common difference is 2, then the sum of its first 6 terms is

(a) 0

(b) 5

(c) 6

(d) 15

**Solution:**

#### The sum of 25 terms of the A.P. is

(a) 0

(b)

(c)

(d) -50

**Solution:**

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