Concept: The question tests on basic Arithmetic

Solution:

100 cm = 1m

The cloth required for 1 shirt = 260 cm.

The cloth required for 7 shirts = 7 * 260 = (200 + 60) * 7 = 1400 + 420 = 1820 cm

Dividing by 100, we get 18m and 20 cm


Option D