1.  What is 15th term of the sequence defined by A_{x} = [x ( x  3 )] / ( x + 3) 
a.   10 
b.   150 
c.   50 
d.   55/3




2.  Find the 15th term in the following arithmetic progression 9, 12, 15, 18,... 
a.   54 
b.   51 
c.   63 
d.   60




3.  Which term of the sequence 1, 1, 3, 5, 7, 9, ….. is 109? 
a.   53 
b.   56 
c.   54 
d.   52




4.  Determine the total number of terms in the sequence 4, 8, 12, 16, ……., 112 ? 
a.   29 
b.   27 
c.   30 
d.   28




5.  Find the sum of first 20 terms of an A.P. whose second term is 6 and the seventh term is 31. 
a.   896 
b.   891 
c.   970 
d.   950




6.  Compute the 20th term of the sequence defined by: A_{n} = (n^{2} 1) / (n + 1) 
a.   119 
b.   19 
c.   133 
d.   399




7.  Given the first term of an A.P. is 4 and the common difference is 6. Find its 11th term. 
a.   56 
b.   60 
c.   64 
d.   68




8.  How many terms are there in the sequence 9, 18, 27, 36, ……., 999? 
a.   110 
b.   100 
c.   101 
d.   111




9.  Find the sum of 51 terms of the A.P. 3, 1, 1, 3, 5, ….. 
a.   2395 
b.   2397 
c.   2441 
d.   2413




10.  How many three digit numbers are divisible by 3? 
a.   322 
b.   312 
c.   300 
d.   302




11.  Find the common difference in an A.P. sequence defined by (n  7)? 
a.   1 
b.   1 
c.   6 
d.   6




12.  Find the sum of the series: .5 + .51 +.52 + …….. to 50 terms 
a.   37.25 
b.   37.52 
c.   37.55 
d.   37.51




13.  The 12th term of an A.P. is 28 and the 21st term is 55. Find the 91st term. 
a.   333 
b.   268 
c.   265 
d.   336



