Math, asked by jdhshsv, 1 month ago

Compute the following sums.
a) 1+ 2+ 3+ 4+ ---+ 20.
b) 4+ 8 + 12 + 16 + -- + 80.

Answers

Answered by rahulprasad133

0

Answer:

1. 210

2.3360

Hope it will help you

Answered by akhalya2305

1

Answer:

a. 10

b. 40

Step-by-step explanation:

a. 1+2+3+4=10

10+10=20

b. 4+8+12+16=40

40+40=80

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