22) The sum of the series :
0.5 + 0.55 + 0.555+......... to n
terms is :0
(a) (5n / 9) + (5 / 9) [ 1 - (0.1n )]
(b) (5n / 9) + (5 / 81) [ 1 - (0.1n )]
(c) (5n / 9) + (5 / 81) [ 1 - (0.1n )]
(d) (5n / 9) + (5 / 81) [ 1 + (0.1n )]
23) (x + 1), 3x, (4x+ 2) are in A.P. Find
the value of x
(a) 2
(b) 3
(c) 4
(d) 5
24) The first and the last terms of an A.P.
are -4 and 146. The sum of the terms
is 7171. The number of terms is:
(a) 101
(b) 100
(c) 99
(d) None
 
0.5 + 0.55 + 0.555+......... to n
terms is :0
(a) (5n / 9) + (5 / 9) [ 1 - (0.1n )]
(b) (5n / 9) + (5 / 81) [ 1 - (0.1n )]
(c) (5n / 9) + (5 / 81) [ 1 - (0.1n )]
(d) (5n / 9) + (5 / 81) [ 1 + (0.1n )]
23) (x + 1), 3x, (4x+ 2) are in A.P. Find
the value of x
(a) 2
(b) 3
(c) 4
(d) 5
24) The first and the last terms of an A.P.
are -4 and 146. The sum of the terms
is 7171. The number of terms is:
(a) 101
(b) 100
(c) 99
(d) None
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