TCS
Company
Numerical Ability
Sequence and Series
1.25,3,7.1,1.50,1,8.1,1.75,-1,?
Read Solution (Total 7)
-
- 1.25+0.25=1.50+0.25=1.75
3-2=1-2=-1
7.1+1=8.1+1=answer is 9.1 - 12 years agoHelpfull: Yes(13) No(7)
- ans=9.1
in that series +.5,-2,+1 added as so that no. would be 3rd no.right to that no.
1.25+.5=1.50
3-2=1
7.1+1=8.1
1.50+.25=1.75
1-2=-1
8.1+1=9.1 - 12 years agoHelpfull: Yes(10) No(2)
- +0.25,-2,+1 is added and this continues...so ans is 9.1
1.25+0.25=1.5
3-2=1
7.1+1=8.1
1.5+0.25=1.75
1-2=-1
8.1+1=9.1(ans) - 12 years agoHelpfull: Yes(6) No(1)
- it is a triplet series. i.e. 1.25,1.5,1.75 and 3,1,-1 and 7.1,8.1,9.1
so ans is 9.1 - 12 years agoHelpfull: Yes(6) No(1)
- 1.25,1.50,1.75-----1st series
1.25+0.25 = 1.50
1.50+0.25 = 1.75
3,1,-1-----------------2nd series
3-2 = 1
1-2 = -1
7.1,8.1,?--------------3rd series
find the third one
7.1+1.0 = 8.1
8.1+1.0 = 9.1(ans) - 9 years agoHelpfull: Yes(0) No(0)
- Three series continuing at a time
1.25+ 0.25 = 1.50 + 0.25 = 1.75
3 - 2 = 1 - 2 = -1
7.1 + 1 = 8.1 + 1 = 9.1 (ans) - 9 years agoHelpfull: Yes(0) No(0)
- 1st pattern= add 0.25 in each term(1.25, 1.5, 1.75,.....)
2nd pattern= subtract -2 in each term(3,1,-1,....)
3rd pattern= add 1 in each term(7.1, 8.1, ***,.....)
So ans is 9.1 - 8 years agoHelpfull: Yes(0) No(0)
TCS Other Question
Park, Jack, and Galvin distributed prize money of x dollars among themselves. Park received 3/10 of what Jack and Galvin together received.Jack received 3/11 of what Park and Galvin together received. What is the ratio of the amount received by Park to the amount received by Jack?
(A)7 : 8
(B)8 : 7
(C)10 : 11
(D)14 : 13
(E)77 : 80
4.2,7.2,11.4,6.1,9.1,15.2,3.8,6.8,10.6,5.7,8.7,?