In an examination, 45% of all the students who appeared are boys and the rest are girls. If 60% of the boys and 70% of the girls passed, then what is the percentage of students who failed?

Directions: Student’s strength of a college in Arts, Science and Commerce from 2004-05 to 2007- 08 sessions are shown in the following bar graph. Study the graph and answer the questions

The ratio of average number of students in Arts to the average number of students in Commerce is

Directions : The Bar Graph given here shows the population (in crores) of India in various census years. Observe the graph and answer the question based on it.

The per cent increase in population from 1971 to 1981 is

If a + b + c = 6, a³ + b³+c³-3abc=342, then what is the value of ab + bc + ca?

If (3x – 2y) : (2x + 3y) = 5 : 6, then one of the values of $${\left({^3\sqrt { x}+\ ^3\sqrt { y}\over ^3\sqrt { x}-\ ^3\sqrt { y} } \right) \ }^2$$ is

Out of the given responses, one of the factors of (a² – b² )3 + (b² – c²) 3 + (c² – a²) 3 is

If x + y + 3 = 0 , then find the value of x³+y³-9xy+9.

If $$cosθ + cos^2θ= 1,$$find the value of $$\sqrt {sin^4θ+cos^2θ} \ $$