Question

12. The sides of a rectangle are 20 cm and 15 cm. If each side of the rectangle is increased by 20%, find the
percentage increase in the area.
13. In an examination 2500 students appeared out of which 1100 were girls. 50% of the boys and 40% of the
girls passed the examination. What percentage of the candidates failed in the examination ?
(a) 1450
in Ghoice Questions (MCQs)
(b) 1520​

Answer 1

Answer:

option. (A)

Step-by-step explanation:

is the correct answer