1521: A point is selected at random inside a rectangle and perpendiculars are drawn on each side from the point. The sum of these perpendiculars is 24 cm. If the length of the rectangle is 3 times the width, the perimeter of the rectangle will be
(a) 36 cm
(b) 42 cm
(c) 24 cm
(d) 48 cm
1522: Important oilfields of the Brahmaputra Valley include
(a) Digboi and Kilboi
(b) Lunej and Ankhleshwar
(c) Badarpur and Masimpur
(d) Naharkatia and Moran
1523: Consider the decadal Census data given below:
Decadal Population (in millions)
Year---Population
1961--- 10.7
1971--- 14.3
1981--- 16.2
1991--- 18.9
The above data refer to which one of the Population by Religion Groups ?
(a) Sikhs
(b) Jains
(c) Christians
(d) Buddhists
1524: Which of the following statements is/are correct?
1. Viruses lack enzymes necessary for the generation of energy.
2. Viruses can be cultured in any synthetic medium.
3. Viruses are transmitted from one organism to another by biological vectors only.
Select the correct answer using the codes given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
1525: Which one of the following has the highest fuel value ?
(a) Hydrogen
(b) Charcoal
(c) Natural Gas
(d) Gasoline