question_answer

Albert has found the height of a pillar from surface to the top of the pillar marked by arrow on the ruler given below. What is the actual length of the pillar if 50 cm of the pillar is placed below the ground?

A)  1 metre 30 centimetre

B)  1 metre 50 centimetre

C)  50 centimetre

D)  All of these

E)  None of these