For the following questions answer them individually
The given histogram shows the marks scored by 40 students in a test of maximum 30 marks.
What is the percentage of students who scored less than 50% marks?
The value of $$\frac{12.5+\frac{4}{7} of 56 - 12}{(207 \div 23 \times 4.5) - 21\frac{1}{3} \times \left(\frac{1}{4} + \frac{1}{8}\right)}$$ is:
How many isosceles triangles with integer sides are possible such that the sum of two of the sides is 16 cm?
A man buys 400 oranges for ₹2,000. How many oranges can be sold for ₹260 so that he gets a profit of 30%?
What number should be subtracted from
$$4(\sin^4 60^\circ + \cos^4 30^\circ) - (\tan^2 45^\circ - \cot^2 30^\circ) + \cos^2 45^\circ - \cosec^2 45^\circ + \sec^2 60^\circ$$ to get 2?
A merchant announces 25% discount on the price ofa shirt. If one needs to havea total rebate of ₹875 and the price of each shirt is ₹250, then how many shirts should the person purchase?
Study the given pie charts and answer the question that follows. The pie charts show the distribution of students of graduate and postgraduate levels in five different institutes P, Q, R, S and T in a town.
(i) Total number of students of graduate level in five different institutes = 12400
(ii) Total number of students of post graduate level in five different institutes = 8000
The ratio of the number of students of graduate level in Institutes P and S together to that of post graduate level in institutes P and is:
In an examination of 180 marks of a subject, 75% marks are allocated for theory andthe rest for project work. Veena scored 60%in theory. What percentage of marks must she score in the project to achieve an overall 62% marks in the subject?