Q47. What is the height of the triangle?
I. The area of the triangle is 20 times its base.
II. The perimeter of the triangle is equal to the perimeter of a square of side 10 cm.
(a) I alone sufficient while II alone not sufficient to answer
(b) II alone sufficient while I alone not sufficient to answer
(c) Either I or II alone sufficient to answer
Two towns are connected by railway. Can you find the distance between them?
I. The speed of the mail train is 12 km/hr more than that of an express train
II. A mail train takes 40 minutes less than an express train to cover the distance
What is the difference in the ages of P and K? I. P is 20 yr older than M. II. M is 2 yr younger than Z.