In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Everything (1) _________ us makes our environment. Living and non-living things form the (2) _________ of our surroundings. Plants, animals and microbes are parts of our environment. Humans have affected the environment in multiple (3) ______ like clearing of forests, building houses and farms, making roads, etc. This is the root (4) _______ of air, water and land pollution on the planet. Ecologists across the globe are making efforts to educate mankind about the (5) _________ of nature, the crisis we face and the methods of managing these crises.
For the following questions answer them individually
Two different positions of the same dice are shows, the six faces of which are numbered from 1 to 6. Select the number that will be on the opposite to the one showing '5'.
Which letter will replace the question mark (?) in the following series?
V, S, O, L, ? , E
Select the set in which the numbers are related in the same way as are the numbers of the following set.
(41, 24, 39)
(10, 5, 13)
(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is NOT allowed)
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
25*5*10*2*4*21