CAT - | PYQs + Solutions

CAT

Algebra

Medium

$\frac{n-1}{\sqrt{a_{1}}+\sqrt{a_{n}}}$

$\frac{\mathrm{n}}{\sqrt{\mathrm{a}_{1}}-\sqrt{\mathrm{a}_{\mathrm{a}+1}}}$

$\frac{n-1}{\sqrt{a_{1}}+\sqrt{a_{2-1}}}$

$\frac{n}{\sqrt{a_{1}}+\sqrt{a_{n+1}}}$

✅ Correct Option: 4

Related questions:

CAT 2017 Slot 1

If the square of the $7$ th term of an arithmetic progression with positive common difference equals the product of the $3$ rd and $17$ th terms, then the ratio of the first term to the common difference is

CAT 2023 Slot 3

Let $a_n = 46 + 8n$ and $b_n = 98 + 4n$ be two sequences for natural numbers $n \le 100$ . Then, the sum of all terms common to both the sequences is

CAT 2023 Slot 2

Let both the series $a_1, a_2, a_3, \dots$ and $b_1, b_2, b_3 \dots$ be in arithmetic progression such that the common differences of both the series are prime numbers. If $a_5 = b_9$ , $a_{19} = b_{19}$ and $b_2 = 0$ , then $a_{11}$ equals

CAT (QA) PYQs

Keyboard Shortcuts