Question

(1) 3 के प्रथम पाँच गुणजों का योग है-
(अ)45 (ब)55 (स) 65

(द)75​

Answer 1

Answer:

sorry for not replying answer no idea ❣

Answer 2

Given : 3 के प्रथम पांच   गुणज  

To Find : 3 के प्रथम पाँच गुणजों का योग

अ 45 ब 55 स 65 द 75​

Solution:

3 के प्रथम पांच   गुणज  

3 x 1 = 3

3 x 2  = 6

3 x 3  = 9

3 x 4 = 12

3 x 5 = 15

योग = 3 + 6 + 9 + 12 + 15  = 45

using AP

= (5/2)(3 + 15)

= (5/2)(18)

= 5 (9)

= 45

3 के प्रथम पांच गुणजो का योग है 45

अ 45

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