Question

अचूक पर्याय निवडा: जर एका अंकगणिती श्रेढीसाठी d = 5 तर t₁₈ - t₁₃=_______
(A) 5
(B) 20
(C) 25
(D) 30

Answer 1

t18-t13=

t+17d-(t+12d)

t+17d-t-12d

5d=5×5(d=5)

25

C,25 is correct

Answer 2

Answer:

t13=5

t14=10

t15=15

t16=20

t17=25

t18=30

t18-t13=?

30-5= 25

there fore d=25

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