Statement
A sentence in the letter to the candidates called for written exams - 'You have to bear your expenses on travel etc.'
Assumptions
I. If not clarified, all the candidates may claim reimbursement of expenses.
II. Many organisations reimburses expenses on travel from candidates called for written examination.

the pattern is ... babc

All are rodents or rat family, except cat.

Barrow' is man-driven cart whereas others are usual.

Except option (d), all letters in pairs having difference of four.

The relationship is x : (x² - 9).

63/3 = 21
27/3 = 9

F

Except option (c) rest all are perfect squares.

Except, `Plate', all two in number.

All other terms are used to denote the size.