mental ability question 1,3,6,10,....
Hey,
if we look at the series then the numbers are added as 2,3,4,5 and so....with the preceding numbers, that is 1,3,6,10
that is,
1+2=3
3+3=6
6+4=10
10+5=15
15+6=21
21+7=28 and so on....
thus the required series will be 1,3,6,10,15,21,28... and so on.
Which is the required series.
I hope this helps.
Hello,
The given series is 1, 3, 6, 10,...
The difference between the first and second terms is 3-1 =2.The difference between the third and second terms is 6-3 = 3.Similarly the difference between the fourth and third term is 10-6 = 4.
So the difference between two consecutive numbers follows a pattern 2, 3, 4, 5 ,6..
So the difference between the fifth and fourth terms will be 5.Therefore the fifth term will be 10+5 = 15.
The series will be 1, 3, 6, 10, 15, 21, 28,...
Hope this helps!!!
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