List of top Mathematics Questions on Arithmetic Progression asked in LPUNEST

For the following question, enter the correct numerical value up to TWO decimal places. (If the numerical value has more than two decimal places, round-off the value to TWO decimal places.) After inserting \(n\) A.M.’s between \(2\) and \(38\), the sum of the resulting progression is \(200\). The value of \(n\) is _____

For the following question, enter the correct numerical value up to TWO decimal places. (If the numerical value has more than two decimal places, round-off the value to TWO decimal places.) If 7 times of the 7th term of an A.P. is equal to 11 times of its 11th term, then the 18th term of the A.P. is ____.

Let \(a_1,a_2,a_3,\ldots\) be the terms of an A.P. If \[ \frac{a_1+a_2+\cdots+a_p}{a_1+a_2+\cdots+a_q}=\frac{p^2}{q^2}\quad (p\neq q), \] then \(\dfrac{a_6}{a_{21}}=\)