JIPMAT 2023 (LR) PYQs

How many such pairs of letters are there in the word INSTRUCTION which have as many letters between them in the word as in the English alphabet?

Which of the following words CANNOT be formed from the letters of the word 'INFRASTRUCTURE' ?

If $+$ means $÷$, $÷$ means $-$, $-$ means $×$, and $×$ means $+$, then find the value of the following expression: $5 - (13 - 4 + 2 ÷ 6 × 15 ÷ 5)$