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Q. The entry in the following sequence is determined by the rule if 1 is entry in the sequence the next three entries are n-1, entries are
Option
a) 0,1,2
b) 0,-1,1
c) 0,1,2
d) 2,3,4
e) 0,1,0
Read Solution (Total 6)
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- Option C 0,1,2
- 12 years agoHelpfull: Yes(3) No(11)
- option a and c
because if enrty no. is 1 then series is 0,1,2 - 12 years agoHelpfull: Yes(0) No(3)
- at the starting point we have entry it just 1
now at the time of first entry we have n-1=1-1= 0
now we have two entries that is 1(default) , 0(first entry)
now at the time of second entry we have n-1=2-1=1
so we have 0,1 and now at the time of third entry
n-1=3-1=2;
so
0,1,2 - 9 years agoHelpfull: Yes(0) No(0)
- may be 0,-1,-2
- 9 years agoHelpfull: Yes(0) No(0)
- it ii be 0,1,2
- 9 years agoHelpfull: Yes(0) No(0)
- option D not following and according to other;
first one is 1 there ; next entry is n-1 i.e 0
as there are only -1 or +1 in options: for -1 option (b) is right and for +1 option(e) is right. as the next entry must be n-1= +1-1=0 - 7 years agoHelpfull: Yes(0) No(0)
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Q. For every novel in the school library there are 2 science books there 7 economics books. Express the ratio of the economics books to science books to novels in the school library as triple ratio
Option
a) 7:2:1
b) 7:1:2
c) 14:7:2
d) 14:2:1
e) 14:2:7
Q. If a(n) is to be entered following the rule [a(n)^2 - 1] then what are the next three entries.
Option
a) 0,-1,0
b) 2,3,4
c) 1,2,3
d) 0,-1,2
e) 0,-1,1