For the following questions answer them individually
Study the following bar graph that shows the number of students enrolled for different courses in institutes A and B during 5 years, and answer the question that follows.
What is the ratio of the total numbers of students enrolled in A during 2017 and 2018 to that of students enrolled in B during 2014 and 2015?
If $$x$$ is subtracted from each of ₹25, 47, 20 and 19, the number so obtained in this order are in proportion.What is the mean proportional between ($$x$$ +13) and ($$x$$ - 8)
The marked price of an article is ₹400. After allowing a discount of 20% on the marked price, a shopkeeper makes a profit of ₹48. His gain percentage is:
'A' is 3 times as good a workman as 'B' and therefore is able to complete a job in 36 days less than 'B'. In how many days will they finish it working together?
The median of a set of 11 distinct observations is 17.5. If each of the largest 5 observations of the set is increased by 3, then the median of the new set
A certain sum is divided among A, B, C and D such that B' share is $$\frac{1}{3}$$ of A's share, C's share is 40% of B's share, and D's share is 50% of C's share. If the difference between the shares of B and D is ₹1600 then the sum is:
A boy walked along two adjacent sides of a rectangular field. If he had walked along the diagonal,then he would have saved a distance equal to one-fourth of the larger side. The ratio of the larger to the smaller side is:
In a class of 80 students, 60% are girls and the rest are boys.The average weight of boys is 5% more than that of girl. If the average weight of all student is 51 kg, then what is the average weight (in kg) of the boys?
If 4 men can reap a field in 5 days working 9 hours a day, in how many days can 10 men reap the same field working 6 hours a day?
Sita and Geeta start at the same time to ride from place A to place B, which is 90 km away from A. Sita travels 3 km per hours slower than Geeta. Geeta reaches place B and at once turn back meeting Sita 15 km from B. Sita's speed (in km/h) is: