Tech Mahindra
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Numerical Ability
Sequence and Series
4,18,100,294,?
Read Solution (Total 5)
-
- 4=2*2*2-2*2
18=3*3*3-3*3
100=5*5*5-5*5
294=7*7*7-7*7
next term is 11*11*11-11*11=1210
coz 2,3,5,7,11 all are prime no.s series - 12 years agoHelpfull: Yes(84) No(0)
- n^2*(n-1)
where n iz d prime no. in series - 12 years agoHelpfull: Yes(16) No(4)
- 4, 18, 100, 294, 1210,
4 = 22(2 - 1)
18 = 32(3 - 1)
100 = 52(5 - 1)
72(7 - 1) = 294
112(11 - 1) = 1210 - 10 years agoHelpfull: Yes(4) No(1)
- 4=(2^1)*1
18=(3^2)*2
100=(5^2)*4
294=(7^2)*6
next number is (11^2)*10=1210 - 9 years agoHelpfull: Yes(2) No(0)
- 1210 answer
- 8 years agoHelpfull: Yes(0) No(0)
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