In case of slenderness limits, according to IS 456-2000, the ratio of unsupported length (1) to the least lateral dimension (d) of a column should not exceed a value of……………?

(a) 40
(b) 60
(c) 30
(d) 75

Correct option is B

Slenderness ratio(λ) of column:
It is the ratio of its effective length or unsupported length to the least lateral dimension of the column. The relevant clause from IS 456-2000: 25.3.1, The unsupported length between end restraints shall not exceed 60 times the least lateral dimension of a column.