1246: Four different candles, which can last for 5 hours, 4 hours. 3 hours and 2 hours of burning, respectively, are lit in a room at the same instant and allowed to burn till such time that the three candles in the room get extinguished. The cost of burning each one of these candles is 75 paise per hour. The cost involved is:
(a) Rs. 2.75
(b) Rs. 3.75
(c) Rs. 9.75
(d) Rs. 12.50
1247: With reference to normal human beings consider the following statements:
1. In response to the presence of HCL, secretian is produced from the duodenum
2. Enterogastrone is produced in the small intestine in response to the presence of fatty acids
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
1248: Assertion : (A)
Though India's national income has gone up several fold since 1947, there has been no marked improvement in the per capita income level.
Reason : (R)
Sizeable proportion of the population of India is still living below the poverty line.
In the context of the above two statements which one of the following is correct ?
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
1249: To integrate cultural leaders into its meetings, which one of the following gives "Crystal Award"?
(a) Asia Pacific Economic Cooperation
(b) International Bank for Reconstruction and Development
(c) World Health Organization
(d) World Economic Forum
1250: What is common to the places known as Aliyar, Isapur and Kangsabati?
(a) Recently discovered uranium deposits
(b) Tropical rain forests
(c) Underground cave systems
(d) Water reservoirs