4306: Each person's performance compared with all other persons is to be done to rank them subjectively. How many comparisons are needed in total, if there are 11 persons ?
(A) 55
(B) 66
(C) 54
(D) 45
4307: La Nina is suspected to have caused recent floods in Australia. How is La Nina different from El Nino?
1. La Nina is characterized by unusually cold ocean temperature in equatorial Indian Ocean whereas El Nino is characterized by unusually warm ocean temperature in the equatorial Pacific Ocean.
2. El Nino has adverse effect on south-west monsoon of India, but La Nina has no effect on monsoon climate.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
4308: Which of the following throws light on Harappan Culture?
(a) Archaeological excavations
(b) The script on copper sheets
(c) Rock edicts
(d) All of the above
4309: The centre of gravity of the floating ship:
(a) Lies above the metacentre
(b) Lies below the metacentre
(c) Coincides with the metacentre
(d) None of the above
4310: Consider the following pairs:
1. Ashok Leyland : Hinduja Group
2. Hindalco Industries : A.V. Birla Group
3. Suzlon Energy : Punj Lloyd Group
Which of the pairs correctly matched?
(a) 1 & 2
(b) 2 only
(c) 1 & 3
(d) 1, 2, 3