3181: Water which contains soluble salts of calcium and magnesium is known as

(a) Heavy water

(b) Soft water

(c) Hard water

(d) Mineral water
3182: In a department of a university 100 students were admitted. Of the admitted students 90 per cent students appeared and passed in the final examination held two years later. Out of the passing students 1/ 5 passed in first division and 1/5 of the students who passed obtained a second division. In the final exam how many students passed in third division ?

(a) 18

(b) 36

(c) 64

(d) 54
3183: Consider the following statements:

1. The Rajya Sabha has no power either to reject or to amend a Money Bill.
2. The Rajya Sabha cannot vote on the Demands for Grants.
3. The Rajya Sabha cannot discuss the Annual Financial Statement.

Which of the statements given above is / are correct?
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
3184: With reference to communication technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)?

1. LTE is commonly marketed as 3G and VoLTE is commonly marketed as advanced 3G.
2. LTE is data-only technology and VoLTE is voice-only technology.

Select the correct answer using the code given below.

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2
3185: Shivaji was coronated at:

(a) Raigarh

(b) Aurangabad

(c) Peshawar

(d) Bundela