Find the area of a circle whose diameter is 16 cm.
Q.2
In the given figure, what is the area of the shaded sector in circle?
Q.3
The average age of 20 teachers is 45 years which is decreased by 6/7 years when a student joins this group. Then what is the age of that student?
Q.4
Find the perimeter of the protractor if its diameter is 14 cm. (Π = 22/7)
Q.5
The following line graph shows the sales of boxes of two sizes medium and large on 5 different days by a company ABC. Study the graph carefully and answer the question given below: How many large size boxes were sold together in all the given days?
Q.6
Solve the question: -3/8 + 4/5 - 4/5 + 1/8 - 1/10
Q.7
The product of 2 numbers is 368 and the difference of these two numbers is 7. Find the numbers.
Q.8
The average salary of 15 persons is $5,500. If the salary of one person is added, the average increase to $5,700. What is the salary of this one person?
Q.9
The line - graph gives the annual profit earned by a company during the period 2017-2022. Study the line graph and answer the question that are based on it. If the income in 2022 was $264 million, what was the expenditure in 2022?
Q.10
ABC is an isosceles triangle in which ∠C = 90°. If AC = 6cm, find AB².
