Select the number from among the given options that can replace the question mark (?) in the following series.
2, 3, 4, 5, 6, 7, 8, ?, 10, 13, 12, 17, 14
Select the correct option that indicates the arrangement of the given words in a logical and meaningful order.
i. Ammonification
ii. Denitrification
iii. Nitrogen fixation
iv. Assimilation
v. Nitrification
Eight persons are sitting in a circle facing the centre. Arush is sitting opposite to Rita. There are two persons sitting between Rakesh and Arush. Ankita is sitting towards the right of Arush and opposite to Urvashi. Anu is sitting between Rita and Urvashi. Ankita is sitting between Rohan and Rakesh. Aman is sitting towards the left of Rohan. Who is sitting between Arush and Urvashi?
If the signs 'รท' and 'โ' are interchanged and the digits '2' and '4' are interchanged, then what will be the value of the following expression?
426 รท 648 - 312