IBM
Company
Logical Reasoning
Number Series
4,20,84,340,
Read Solution (Total 9)
-
- given series 4,20,84,340
4+4*4=20
20+4*4*4=84
84+4*4*4*4=340
340+4*4*4*4*4=1364 - 12 years agoHelpfull: Yes(18) No(0)
- (4+1)4=20
(20+1)4=84
(84+1)4=340
(340+1)4=1364 - 12 years agoHelpfull: Yes(14) No(0)
- Sry at the end
i made a mistake in the sum
so answer is=1364 - 12 years agoHelpfull: Yes(6) No(1)
- function f(n)=4^n+f(n-1) where n>1
f(1)=4
f(2)=4^2+4=16+4=20
f(3)=4^3+20=64+20=84
f(4)=4^4+84=256+84=340
f(5)=4^5+340=1024+340=1354 - 12 years agoHelpfull: Yes(4) No(7)
- 4*0+4=4
4*4+4=20
4*20+4=84
84*4+4=340
so, 340*4+4=1364
- 12 years agoHelpfull: Yes(4) No(0)
- 4+16=20,
20+64=84,
84+256=340,
340+1024=1364 - 12 years agoHelpfull: Yes(2) No(0)
- 4
4*4+4=20
20*4+4=84
84*4+4=340
340*4+4=1364 - 12 years agoHelpfull: Yes(2) No(0)
16*4= 64*4= 256*4= 1024
4 20 84 340 1364
Answer is 1364 - 12 years agoHelpfull: Yes(1) No(0)
- 4*20=80+4=84
84*4=336+4=340
340*4=1360+4=1364 - 9 years agoHelpfull: Yes(0) No(0)
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