Which of the following is an A.P
2 points
1,8,27,64,...
1,4,9,14,....
1,-2,3,-4,...
1,3,5,7,...
2.Commen difference of x,4x/3,5x/3,... is
2 points
x/3
x
1/3
2x/3
3.If x,y,z are in A.P then 2y=
2 points
√(xz)
xz
x+z
x-z
4.Which term of A.P 7+11+15+....is 67
2 points
20
6
16
10
5.If nᵗʰ term of A.P is 2n+5 then common difference(d)=
2 points
0
2
7
9
6.If a=2, a₈=15 then sum of 15 terms is
2 points
225/2
0
15
225
7.How many terms are divisible by 9 between 1 and 1000
2 points
100
101
110
111
8.If a=-1, d=-3 then a₁₂=
2 points
17
-23
-34
-17
9.nᵗʰ term of 4+9+14+... is
2 points
5n+1
5n-1
4n-1
4n+1
10.In an A.P a₃=7 and a₇=15 then a=
2 points
2
0
5
3
Answers
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Answer:
1568669975789977
469986799977900000000
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