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Given 1 + 2 + 3 + 4 +...... + 10 = 55, then the sum 6 + 12 + 18 + 24 +......+ 60 is equal to :
- A300
- B655
- C330
- D455
Answer not set
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0
CCommunity
655 is the correct answer
0
CCommunity
1 + 2 + 3 + 4 + .... + 10 = 55.
Then,
6 + 12 + 18 + 24 + .... + 60
= 6 (1 + 2 + 3 + 4 + .... + 10) = 6
× 55 = 330
Then,
6 + 12 + 18 + 24 + .... + 60
= 6 (1 + 2 + 3 + 4 + .... + 10) = 6
× 55 = 330
0
CCommunity
6(1+2+3.....+10)
1+2+3..+10=55
6into55=330 (Answer)
1+2+3..+10=55
6into55=330 (Answer)