4571: Consider the following animals
1. Sea cow
2. Sea horse
3. Sea lion
Which of the above is/are mammal/mammals?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
4572: Two men A and B have different basic salaries but get equal emoluments. Their allowances are 65% and 80% of their basic salaries respectively. The ratio of their basic salaries is:
(a) 13 : 16
(b) 8 : 9
(c) 12 : 11
(d) 80 : 65
4573: Assertion (A)
Eclipses do not occur on all full moon and new moon days
Reason (R)
The moon revolves round the earth in an elliptical orbit
(a) A and R both are incorrect
(b) A is correct but R is incorrect
(a) A and R are correct and R is the correct explanation of A
(b) A and R are correct but R is not the correct explanation of A
4574: Which one of the following is not a sub-index of the World Banks 'Ease of Doing Business Index'?
(a) Maintenance of law and order
(b) Paying taxes
(c) Registering property
(d) Dealing with construction permits
4575: 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