3976: A man's investment doubles in every 5 years. If he invested Rs. 5,000 in each of the years 1990, 1995, 2000 and 2005, then what was the total amount received by him in 2010?
(a) Rs. 1,40,000
(b) Rs. 30,000
(c) Rs. 70,000
(d) Rs. 1,50,000
3977: Assertion (A) :
Muhammad bin Tughlaq left Delhi, and, for two years lived in a camp called Swarga-dwari.
Reason (R) :
At that time, Delhi was ravaged by a form of plague and many people died.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually 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
3978: Railway and Telegraphy systems were introduced in India by:
(a) Lord Dalhousie
(b) Lord Cornwallis
(c) Lord Bentinck
(d) Lord Wellesley
3979: 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
3980: A table has three drawers. It is known that one of the drawers contains two silver coins, another contains two gold coins and the third one contains a silver coin and a gold coin. One of the drawers is opened at random and a coin is drawn. It is found to be a silver coin. What is the probability that the other coin in the drawer is a gold coin ?
(a) 0.25
(b) 1.00
(c) 0.50
(d) 0.60