Which among the following is not a conservation reserve?

Simplify $$ ({Sinθ\over{1+cosθ}}+{1+cosθ\over sinθ})({1\over (tanθ+cotθ)})$$

Which country successfully destroyed an unmanned aerial vehicle with a solid-state laser "Laser Weapon System Demonstrator " from Pacific?

According to the recent change in the definition of MSME, what is the investment limit for classifying an enterprise as a medium enterprise?

Directions (11-20): In the passage given below, some of the words from 11-20 have been left out. First read the passage over and try to understand what it is about. Then fill in the blanks with the help of the alternatives given. Mark your answer.
Civilisation means outward (11) whereas culture means inward perfection. We may be (12) today, but we are not cultured. We have trains, aeroplanes and all modern modes and (13). This is (14) on the road of materialism but we have lost our finer emotions. Civilisation has (15) mystery and romance out of the heart of nature and (16) her beauty and magic. It has placed (17) power in the hands of man, making him a (18). With a single atom or hydrogen bomb, he can rain death and (19) on millions of innocent creatures. Thus, he is out to (20) himself with his own hands. 

Choose the correct option for (17). 

The average salary, per head, of all the workers of an institution is 60. The average salary of 12 officers is 400; the average salary, per head, of the rest is 56. The total number of workers in the institution is -

Directions: Study the following information carefully and answer the questions given below.
 In the table, the percentage of shirts (formal and casual) sold out of the total number of shirts sold in the week and the number of casual shirts sold data related to the number of shirts sold on ve weekdays – Monday, Tuesday, Wednesday, Thursday and Friday are given.

 Total number of shirts sold in the week = x Note: Total number of shirts sold on Saturday and Sunday together = 72

The number of casual shirts sold on Thursday is what per cent more than the number of formal shirts sold on Tuesday?

Find the value of $$ (2 {1\over6}+1 {13\over18}-{1\over6}) × {16÷4}$$