For the following questions answer them individually
Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows.
The number of students who obtained less than 250 marks is what per cent more than the number of students who obtained 400 or more marks? (correct to one decimal place)
The internal length, breadth and height of a cuboidal room are 12 m, 8 m and 10 m,respectively. The total cost (in ₹) of white washing only all four walls of the room at the cost of ₹25 per $$m^{2}$$ is:
If the numeratorofa fraction is increased by 60% and the denominatoris increased by 40%, then the resultant fraction is $$\frac{16}{63}$$.The original fraction is :
Five bells ring together at the intervals of 3, 5, 8, 9 and 10 seconds. All the bells ring simultaneously at the same time. They will again ring simultaneously after:
The average age of 40 students of a class is 16 years. After admission of 10 new students to the class, the average becomes 15 years. If the average age of 5 of the new students is 11 years, then the average age (in years) of the remaining 5 new student is :
The following pie chart shows percentage expenditure of a country on different heads. The total expenditure is 1,680 (in billions). Study the chart and answer the question.
The central angle of the sector representing expenditure on Interest payment is:
A’ssalary is 35% more than B’s salary. How muchpercent is B’s salary less than that ofA’s?
(correct to the nearest integer)
A sum of ₹36,000 is divided into two parts, A and B, such that the simple interest at the rate of 15% p.a. on A and B after two years and four years, respectively, is equal. The total interest (in ₹) received from is:
P and Q together can do a work in 12 days. P alone can do the same work in 36 days. In how many days can Q alone complete two-third part of same work?
In an entrance examination at different centres, a total of 25, 30, 40, 45, 60 and 100 students appeared. The pass percentagesofthe different centres are 20%, 30%, 35%, 40%, 50% and 75%, respectively. The pass percentage of the entrance examination is: (correct to the nearest integer)