86: Cobalt-60 is commonly used in radiation therapy because it emits
(a) alpha rays.
(b) beta rays.
(c) gamma rays.
(d) X-rays.
87: Who started Bhoodan Movement in India?
(a) Gandhiji
(b) Jayaprakash Narayan
(c) Vinoba Bhave
(d) Jawaharlal Nehru
88: If the interest rate is decreased in an economy, it will
(a) decrease the consumption expenditure in the economy
(b) increase the tax collection of the Government
(c) increase the investment expenditure in the economy
(d) increase the total savings in the economy
89: A hunter aims his gun at a point between the eyebrows of a monkey sitting on a branch of a tree. Just as he fires, the monkey jumps down. The bullet will
(a) hit the monkey at the point aimed
(b) hit the monkey below the point aimed
(c) hit the monkey above the point aimed
(d) miss the monkey altogether
90: The graph of 2x + 3y = 12 intersects Y-axis at the point:
(a) (0, 4)
(b) (0, 6)
(c) (4, 0)
(d) (6, 0)