66: Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/reasons is this attributable ?
1. The anaerobic conditions associated with rice cultivation cause the emission of methane.
2. When nitrogen based fertilizers are used, nitrous oxide, is emitted from the cultivated soil.
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
67: Which one of the following is likely to be the most inflationary in its effect?
(a) Repayment of public debt
(b) Borrowing from the public to finance a budget deficit
(c) Borrowing from banks to finance a budget deficit
(d) Creating new money to finance a budget deficit
68: The diameters of two circular coins are in the ratio of 1:3. The smaller coin is made to roll around the bigger coin till it returns to the position from where the process of rolling started. How many times the smaller coin rolled around the bigger coin ?
(A) 9
(B) 1.5
(C) 6
(D) 3
69: "The Modern Review" was started by:
(a) Madan Mohan Malaviya
(b) C. V. Chintamani
(c) Ramanand Chatterjee
(d) Annie Besant
70: Amit started a business by investing Rs. 30,000. Rahul joined the business after some time and invested Rs. 20,000. At the end of the year, profit was divided in the ratio of 2 : 1. After how many months did Rahul joined the business?
(a) 2
(b) 3
(c) 4
(d) 5