3991: A worker reaches his factory 3 minutes late if his speed from his house to the factory is 5 km/hr. If he walks at a speed of 6 km/hr, then he reaches the factory 7 minutes early. The distance of the factory from his house is

(a) 4 km
(b) 5 km
(c) 6 km
(d) 7 km
3992: A club has 108 members. Two-thirds of them are men and the rest are women. All members are married except for 9 women members. How many married women are there in the club ?

(a) 20
(b) 24
(c) 27
(d) 30
3993: The term 'IndARC', sometimes seen in the news, is the name of

(a) an indigenously developed radar system inducted into Indian Defence

(b) India's satellite to provide services to the countries of Indian Ocean Rim

(c) a scientific establishment set up by India in Antarctic region

(d) Indias underwater observatory to scientifically study the Arctic region
3994: Which one of the following statements is incorrect ?

(a) Goa attained full statehood in 1987
(b) Diu is an island in the Gulf of Khambhat
(c) Daman and Diu were separated from Goa by the 56th Amendment of the Constitution of India
(d) Dadra and Nagar Haveli were under French colonial rule till 1954
3995: Which of the following is / are the characteristic / characteristics of Indian coal?

1. High ash content

2. Low sulphur content

3. Low ash fusion temperature

Select the correct answer using the codes given below.

(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3