1631: Two persons A and B get the same salary. Their basic pays are different. Their allowances are 65% and 80% of their basic pays respectively. What is the ratio of their basic pays?
(a) 7 : 5
(b) 17 : 15
(c) 11 : 10
(d) 12 : 11
1632: A cubic metre of water at 0° C is solidified into ice. Density of ice is 0.96 of water at 0° C. Which of the following deductions are true?
I. Water expands when solidified.
II. Ice will float in water at 0° C with half its volume above the surface.
III. Density of all liquids are higher than its density when solidified.
(a) I only
(b) II only
(c) III only
(d) I and II
1633: In which respect have the Centre-State relations been specifically termed as "municipal relations"?
(a) Centre's control of the State in the legislative sphere
(b) Centre's control of the State in financial matters
(c) Centre's control of the State in the administrative sector
(d) Centre's control of the State in the planning process
1634: How many different triangles are there in the figure shown above?
(a) 28
(b) 24
(c) 20
(d) 16
1635: Helium is used for respiration in deep water instead of nitrogen because:
(a) It is heavier than nitrogen
(b) It is lighter than nitrogen
(c) It mixes less in blood than nitrogen
(d) It helps oxygen burn more quickly