Answer: D) All the above Explanation: Most of the emissions of greenhouse gases (GHG) come primarily from burning fossil fuels (coal, hydrocarbon gas liquids, natural gas, and petroleum) for energy use and the major greenhouse gas is of course carbon dioxide (CO2) which comes from burning fossil fuels and land-use change. But methane (CH4) and nitrous oxide (N2O), which mostly come from agriculture and waste, are also significant GHGs and shouldn't be discounted.

Answer: A) New Delhi Explanation: Competition Commission of India (CCI) was established on 14th October 2003. It headquarters in New Delhi.

1. Narmada River is the fifth largest river of India which flows through Madhya Pradesh and Gujarat.

2. The Narmada River (Rewa) serves as a traditional boundary between North and South India.

3. It originates from the Amarkantak peak of Maikal mountain and flows 1,312 km towards the west and joins the Gulf of Khambhat.

4. Major tributaries from the right side are Hiran, Tendori, Barna, Kolar, Maan, Uri, Hatni and Orsang.

5. Major left tributaries are- Berner, Banjar, Sher, Shakkar, Dudhi, Tawa, Ganjal, Chhota Tawa, Kundi, Goi and Karjan.

6. Narmada River Basin is home to fishes, turtles, crocodiles, beautiful birds and other wildlife.

7. The largest dam built on the Narmada River is "Sardar Sarovar Dam", which is built in Narmada district of Gujarat.

Answer: C) 4 Explanation: We have to find out even number - even number - odd number sequence.  8 5 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9 3 1 7 5 1  There are four such such even numbers: 6,8,2 and 8.