What is the next number of the following sequence 10, 34, 74, 130, ........

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08 Apr 2013 Sequence

What is the next number of the following sequence
10, 34, 74, 130, ........

OPtion

1) 147
2) 152
3) 178
4) 202
5) 227
6) 238
7) 252
8) 278
9) 302
10) None of these

Solution

1+9, 9+25, 25+49, 49+81, 81+121
Answer is 81+121 (202)

Correct Option: 4 Best Solution (9)

Dhivya   11 years AGO

10-34=24
34-74=40
74-130=56
diff b/w the ans is
40-24=16
56-40=16
so
56+16=72
130+72=202

Like? Yes (5) | No (2)  

Shubham   11 years AGO

10+24=34
34+24+16=74
74+24+16+16=130
130+24+16+16+16=202

Like? Yes (3) | No (1)  

kalaiarasan   11 years AGO

10 34 74 130
24 40 56 (56+16)=72
=>difference
so,130+72=202

Like? Yes (4) | No (3)  

Abhishek Divakar   11 years AGO

series is
a[n] = a[n-1] + 8 +{ 16 x (n-1)}

also
a[n] = (2n-1)^2 + (2n+1)^2

Like? Yes (2) | No (2)  

Rats   11 years AGO

10+(24)=34
34+(24+16)40=74
74+(40+16)56=130
So the next term is
130+(56+16)72=202

Like? Yes (2) | No (3)  

AJOY SHARMA   11 years AGO

34-10=24
74-34=40
130-74=56
40-24=56-40=16
hence next term = 130+56+16

Like? Yes (1) | No (2)  

Sanjeewani Indurkar   11 years AGO

10+(4*6)=34
34+(4*10)=74
74+(4*14)=130
130+(4*18)=202
so answer is option 4)202

Like? Yes (1) | No (2)  

Balakrishnan M   11 years AGO

10, 34, 74, 130, 202........
\_/ \_/ \_/ \_/
24 40 56 72....
\_/ \_/ \_/
16 16 16.....

Like? Yes (2) | No (3)  

srinivasulareddy   11 years AGO

5*2,17*2,37*2,65*2,101*2=202

Like? Yes (1) | No (3)