For the following questions answer them individually
Average of 9 numbers is 47. If a number is removed, then the average becomes 48. Which number was removed?
The given data shows the number of mobiles (in thousands) manufactured by companies C1, C2, C3 and C4 in 2018, 2019 and 2020. Which company manufactured the least number of mobile in total across all the years?
A number is increased by 20% and then decreased by 20%. What is the net percent change in the number?
Find the value of $$\sqrt{\left[\left(7^{2} + 6^{2} + 9^{2}\right) \div 2 + 52\right]}$$
Difference between the circumferences of two circles is 4.4 cm and radius of smaller circle is 1.4 cm. The radius of the larger circle is:
Average of 8 numbers is 44. The average of first three numbers is 50 and the average of next two numbers is 52. If the sixth number is 6 and 8 less than seventh and eighth number respectively, then what is the value of eighth number?
The height of a right circular cone is 24 cm. If the diameter of its base is 36 cm, then what will be the curved surface area of the cone?
The cost price of 50 articles is same as the selling price of x articles. If there is a profit of 25 percent, then what is the volume of x? (Selling price of all articles is same. Cost price of all articles is same).