Find the missing number?

If - means ÷, + means ×, ÷ means -, × means +, then which of the following equations is correct? 

DIRECTIONS: Study the following information and answer the questions given below.
Vishal, Rohan, Anu, Yogendra, Akash and Ritu stay on different floors of a six-storey building (ground floor is numbered as floor 1 and top floor is numbered as floor 6).Each of them plays one of the following games: Golf, Hockey, Squash, Tennis, Chess and Volleyball, but not necessarily in the same order. Rohan stays on floor 4 and he plays neither Chess nor Volleyball. The one who plays Hockey stays on floor 3. Akash plays Tennis and he doesn’t stays on either floor 1 or 6. Anu stays on floor 2 and plays Squash. Yogendra plays Volleyball but neither he nor Ritu stays on floor 1.

On which floor does Akash stay?

Arrange the given words in the sequence in which they occur in the dictionary.
i. nature
ii. news
iii. numeric
iv. nest

Study the following information carefully and answer the given questions.
Seven flights namely Jet Airways, British Airways, Delta, Quantas, Emirates, Lufthansa, Air India are scheduled to fly to London. There is only one flight to London on each of the seven days of the week, starting from Monday and ending on Sunday.
Delta flies on Wednesday. Air India flies the day next to British Air ways. British Airways does not fly on Monday or Friday. Two airlines fly between the days British Airways and Emirates fly. Emirates does not fly on Sunday. Quantas flies a day before Lufthansa.
If Delta postpones its flight to Sunday owing to some technical reasons and all the flights scheduled for Thursday to Sunday are now made to take off a day ahead of the schedule, which of the following flights would now fly on Friday?

Select the option that is related to the third term in the same way as the second term is related to the first term.
Pen : Write :: Knife : __(?)__

Sunil has a son Karna and a sister Sangeeta who is the mother of Jagdish and  Vijay. Harnish is jagdish’s maternal uncle. How is Harnish related to Karna?