For the following questions answer them individually
The average marks of a student in six subjects was initially 110. After re-evaluation, in one subject the marks obtained was reduced from 148 to 112, while in the rest of the subjects the marks remained unchanged. What is the new average marks?
A car travels 120 km in 4 hours. Calculate its average speed in m/sec. [Give your answer correct to one decimal place].
Find the smallest natural number 'x' that must be subtracted from 1800 so that (1800- x), when divided by 7, 11, and 23, will leave 5 as the remainder in each case.
Study the given table and answer the question that follows.
The table shows the number of copies of a book sold by seven different shops on a pat1icular day.
The cost of each copy of the book is ₹70. What is the total cost of all the copies of the book that got sold on that day from all these seven shops taken together?
The ratio of the salaries of Abbi and Monu is 6: 11. If their salaries are increased by 10 percent and 12 percent, respectively, then what will be the new ratio of their salaries?
The radius of a sphere is 14 cm. What is the surface area of this sphere? [Use $$\pi=\frac{22}{7}$$]
The pie chart given below shows the number of pens sold by each of 8 different shops in a month as a percentage of the total number of pens sold by these 8 shops taken together in that month.
What will be the sum of the central angles made by the sectors A1 and A4?
Study the given bar-graph and answer the question that follows.
The bar-graph represents the voting for class monitor in class 9.
In percentage figures how many more votes did Vaibhav get than Paridhi?