ShowPer Page
The (a)M between $a_{n-1}$ and $a_{n+1}$ is:
NETNUST Entry TestMathematicsSequence and Series
A number A is said to be the (a)M between the two numbers a and b if a, A, b are in
NETNUST Entry TestMathematicsSequence and Series
If $a_{n-1}=2n-5$ then the nth term of the sequence is
NETNUST Entry TestMathematicsSequence and Series
If $a_{1}=3$ d=7 and $a_{n}=59$ then the number of terms in (a)P is
NETNUST Entry TestMathematicsSequence and Series
If 1/a, 1/b and 1/c are in (a)P., then the common difference is
NETNUST Entry TestMathematicsSequence and Series
If 6th term of a series in (a)P is -2 and 8th term is -8, the first term of the series is
NETNUST Entry TestMathematicsSequence and Series
If a, b, c are in arithmetic progression, then 1/a, 1/b, 1/c are in
NETNUST Entry TestMathematicsSequence and Series
The nth term of the sequence $\frac{(4)^{2}}{3},\frac{(7)^{2}}{3},\frac{(10)^{2}}{3}$....is
NETNUST Entry TestMathematicsSequence and Series
If $S_{n}=3n^{n}+2n$ in an arithmetic series, then first three terms of the sequence is
NETNUST Entry TestMathematicsSequence and Series
The $a_{4}$ of the (a)P: 3/4,2, 13/4.....is
NETNUST Entry TestMathematicsSequence and Series
The 7th term of the (a)P. 7,11,15 is
NETNUST Entry TestMathematicsSequence and Series
The 14th term of the sequence $a_{n}=\frac{n(n+3)}{n+1}$ is
NETNUST Entry TestMathematicsSequence and Series
The next three terms of the following arithmetic progression x+y, x-y, x-3y.... are
NETNUST Entry TestMathematicsSequence and Series
The nth term of an (a)P, is 12-4n. Its common difference is
NETNUST Entry TestMathematicsSequence and Series
How many terms are there in the AP, in which $a_{1}=11, a_{n}=68, d=3$
NETNUST Entry TestMathematicsSequence and Series
If $a_{6}=19, a_{9}=31$ are the 6th and 9th term of an (a)P. and d=4 is the common difference, the 18th term of the sequence is
NETNUST Entry TestMathematicsSequence and Series
The 26th term of the (a)P, -2,-4,10... is
NETNUST Entry TestMathematicsSequence and Series
the 31 term of the (a)P, 5,2,-1..... is
NETNUST Entry TestMathematicsSequence and Series
The sum of first twenty odd integers in (a)P is
NETNUST Entry TestMathematicsSequence and Series
The seventh term of an (a)P whose first term is P and common difference is q, is
NETNUST Entry TestMathematicsSequence and Series
The fifth term of an (a)P, whose first term is 5 and common difference is 3, is
NETNUST Entry TestMathematicsSequence and Series
The fifth term of the sequence 2, 3/2...... is
NETNUST Entry TestMathematicsSequence and Series
The common difference of the sequence 2,1 1/2 ...... is
NETNUST Entry TestMathematicsSequence and Series
If $a_{n-2}=3n-11$ then the nth term of the sequence is
NETNUST Entry TestMathematicsSequence and Series
If $a_{n}$ and $a_{n-1}$ are the terms of an (a)P, then $a_{n}-a_{n-1} (a>1)$ is called the
NETNUST Entry TestMathematicsSequence and Series