Question

Find the sum of first 20 multiples of 6​

Answer 1

Answer:

6+,12+,18+,24,+30,+36+,42+,48,+54+,60,+66,+72,+84,+90,+96,+102+,108,+114+,120.

Hence the sum is = 1260

Answer 2

Step-by-step explanation:

see photo carefully....

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this formula can be used any types of questions...

bas questions me first nth term ka multiple hona chahiye...

agar first nth term ka multiple nii ask Kiya hoga to ye formula nii use hoga....