IBM
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Logical Reasoning
Number Series
Q. What will be the next number
1/4, 1/4, 1/2, 3/2, 6,......?
Read Solution (Total 14)
-
- 1/4*1=1/4
1/4*2=1/2
1/2*3=3/2
3/2*4=6
6*5=30(ans)
ans=30 - 11 years agoHelpfull: Yes(63) No(0)
- the puzzle says 1/4,1/4,1/2,3/2,6,___ now if we multiply the 1st no. by 1,we get 1/4.now we multiply the 2nd no. by 2,we get 1/2,now multiply 1/2 by 3,we get 3/2 and so on...
1/4 * 1=1/4
1/4 * 2=1/2
1/2 *3=3/2
3/2 *4=6
6 * 5=30
so the ans is 30. - 11 years agoHelpfull: Yes(5) No(0)
- On dividing first two terms i.e., (1/4)/(1/4) we will get 1
On dividing the next two terms (1/2)/(1/4) = 2
Similarly,
(3/2)/(1/2) = 3
(6)/(3/2) = 4
(X)/(6) = 5 => X=30
- 11 years agoHelpfull: Yes(4) No(2)
- my ans is 30. every time the next term is mutiple of 1/4. 2nd term is 1*1/4,3rd term is 1/4*(1*2)=1/2,4th term is 1/4*(2*3)=3/2,5th term is 1/4*(6*4) So, the next term should be 1/4*(24*5)=30.
- 11 years agoHelpfull: Yes(0) No(0)
- The formula is S(n)=S(n-1)*p ;p=1,2,....
likewise 1/4 * 1=1/4,
1/4 * 2=1/2,
1/2 * 3=3/2,....
.'.6*5=30 (Ans) - 11 years agoHelpfull: Yes(0) No(0)
- ans-30
1/4*1=1/4,1/4*2=1/2,1/2*3=3/2,3/2*4=6,6*5=30 - 11 years agoHelpfull: Yes(0) No(0)
- 1/2=1/4+1/4;
3/2=(1/2+1/4)*2;
6=(3/2+1/2)*3;
next=(6+3/2)*4=30 ans - 11 years agoHelpfull: Yes(0) No(0)
- 1/4*1=1/4
1/4*2=1/2
1/2*3=3/2
3/2*4=6
6*5=30
ans=30 - 11 years agoHelpfull: Yes(0) No(0)
- 1/2 1/2
1/4 1/6
1/8 1/16
1/16 1/32 - 10 years agoHelpfull: Yes(0) No(0)
- 1/4+1/4=1/2*1=1/2
1/2+1/4=3/4*2=3/2
3/2+1/2=4/2*3=6
6+3/2=15/2*4=30 - 10 years agoHelpfull: Yes(0) No(0)
- 1/4 * 1 = 1/4
1/4 * 2 = 1/2
1/2 * 3 = 3/2
3/2 * 4 = 6
6 * 5 = 30 - 10 years agoHelpfull: Yes(0) No(0)
- 30
mulitiplied by 1 2 3
- 9 years agoHelpfull: Yes(0) No(0)
- (1/4)*1=1/4
(1/4)*2=1/2
(1/2)*=3/2
(3/2)*4=6
similarly,
6*5=30 - 9 years agoHelpfull: Yes(0) No(0)
- 30 1/4*1,1*2/4,1*3/2,3*4/2,6*5
- 9 years agoHelpfull: Yes(0) No(0)
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