For the following questions answer them individually
40 people were employed who could together make 60 toys in 8 hours, but 8 people left just before work was to begin. How many toys could then be made in 12 hours?
A helmet is sold for ₹1,650 at a profit of 10%. If the selling price is ₹2,100, then what will be the profit percentage?
The following pie chart shows the number of emails (in hundreds) received by 8 different persons, P1 to P8.
P5 and P8 together have received what percentage of the total emails received by these 8 persons taken together?
There are two numbers such that the first number is three times of the second number. If the average of these two numbers is 72, then what is the first number?
There are two numbers such that the first number is three ti.rues of the second number. If the average of these two numbers is 72, then what is the first number?