766: There are 6 different letters and 6 correspondingly addressed envelopes. If the letters are randomly put in the envelopes, what is the probability that exactly 5 letters go into the correctly addressed envelopes?
(a) Zero
(b) 1/2
(c) 1/6
(d) 5/6
767: The rainbow and the rainbow-like colours seen on a thin film of oil on a water surface are two phenomena. They are
(a) Similar in nature and both are due to refraction of light
(b) Different in nature and rainbow is due to interference of light, while colour of thin film is due to diffraction
(c) Similar in nature and both are due to interference of light
(d) Different in nature and rainbow is due to refraction, while colour of thin film is due to interference of light
768: Consider the following statements:
1. The Reserve Bank of India manages and services Government of India Securities but not any State Government Securities.
2. Treasury bills are issued by the Government of India and there are no treasury bills issued by the State Governments.
3. Treasury bills offer are issued at a discount from the par value. Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 3 Only
(c) 2 and 3 only
(d) 1, 2 and 3
769: In an open economy, the national income (Y) of the economy is :
If C, I, G, X, M stand for Consumption, Investment, Govt. Expenditure, total exports and total imports respectively.
(a) Y = C + I + G + X
(b) Y = C + I + G - X + M
(c) Y = C + I + G + (X - M)
(d) Y = C + I - G + X - M
770: Match List-I (Sports-person) with List-II (Sport/Game) and select the correct answer using the codes given below the Lists:
List-I List-II
(Sports-person) (Sport/Game)
A. Shikha Tandon 1. Badminton
B. Ignace Tirkey 2. Swimming
C. Pankaj Advani 3. Lawn Tennis
D. Rohan Bopanna 4. Snooker
5. Hockey
Codes:
A B C D
(a) 3 5 4 2
(b) 2 4 1 3
(c) 3 4 1 2
(d) 2 5 4 3