Question

please solve it
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Answer 1

Answer:

answer is 17

Explanation:

1. first is two

2 when we plus 5 in two = 7

3 and we plus 5 in seven = 12

4 and 12 + 5 = 17

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Answer 2

Answer:

Correct answer is 245

Explanation:

Clearly, the given sequence is an AP with first term a=2, common difference d=5 and n=10.

Now, 

S10=10/2[2a+(10−1)d]

=5[2×2+9×5]

=245

Hope it helps

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