For the following questions answer them individually
The given histogram represents the marks of students in Mathematics test of a certain class.
The total number of students is 350 and the maximum marks of the test are 200. Study the graph and answer the question that follows.
What is the class average ( correct up to one place of decimal) of mathematics test?
In a quadrilateral ABCD, the bisectors of $$\angle$$ C and $$\angle$$ D meet at point E. If $$\angle CED = 57^{\circ}$$ and $$\angle A= 47^{\circ}$$, then the measure of $$\angle$$ B is:
The value of $$40 \div 5$$ of $$2 \times \left[18 \div 6 \times \left(12- 9\right) of 5 - \left(3 - 8\right)\right] \div 25$$ is:
A can complete 25% of a work in 15 days. He works for 15 days and then B alone finishes the remaining work in 30 days. In how many days will A and B working together finish 50% of the same work?
A and B start a business. A invests $$33\frac{1}{2}$$%, of the total capital and B invests the remaining. If the total profit at the end of the year is ₹1,62,000, then B's share (in ₹) is:
A shopkeeper marks his goods at a price 20% higher than their cost price and allows 10% discount on every item. Find his gain percentage.
The following bar graph shows the number of youth (in lakhs) and the number of employed youth (in lakhs) in 5 states A, B, C, D and E.
In which state(s) is the number of youth more than the average number of youth in the five states?
Six bells begin to toll together and toll, respectively, at intervals of 3, 4, 6, 7, 8 and 12 seconds. After how many seconds, will they toll together again?
The angle of elevation of the top of a tall building from the points M and N at the distances of 72 m and 128 m, respectively, from the base of the building and in the same straight line with it, are complementary. The height of the building (in m) is:
The simple interest on a certain sum is one-eighth of the sum when the number of years is equal to half of the rate percentage per annum. Find the simple inrerest (in ₹) on ₹ 15,000 at the same rate of simple interest for 8 years.