3046: The average height of 2 students in a class is 115 cm. Ten more students with an average height of 130 cm join them. Therefore, the average height of the group of students now becomes:
(a) 110 cm
(b) 120 cm
(c) 130 cm
(d) 140 cm
3047: Given below is a map of some countries which were parts of the erstwhile Soviet Union with water bodies shown by shaded areas :
The countries marked 1, 2, 3, 4 and 5 are respectively
(a) Tajikistan, Turkmenia, Uzbekistan, Kirgizia, Kazakhstan
(b) Turkmnia, Kirgizia, Tajikistan, Uzbekistan, Kazakhstan
(c) Kazakhstan, Uzbekistan, Tajikistan, Kirgizia, Turkmenia
(d) Kazakhstan, Turkmenia, Uzbekistan, Kirgizia, Tajikstan
3050: Consider the following statements :
1. In the year 2006, India successfully tested a full-fledged cryogenic stage in rocketry.
2. After USA, Russia and china, India is the only country to have acquired the capability for use of cryogenic stage in rocketry.
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