For the following questions answer them individually
The height and curved surface area of the cylinder are 15 cm and 330 $$cm^{2}$$. Find the diameter of the cylinder.
A shopkeeper sells 105 m of cloth for Rs. 12600 at the profit of Rs 20 per meter of cloth. What is the cost price of 20 m cloth.
What is the value of $$44 \div 11 \times 4 + 5 \times 8 \div 4 - 7 \times 36 \div 14 + 7 \times 4?$$
The length, breadth, height of a room are 6 m 40 cm, 4 m 80 cm and 3 m 20 cm respectively. Find the longest tape which can measure the dimensions of the room exactly.
Average of 11 numbers is 8. If every number is tripled, then what will be the new average of the numbers?
Kartik takes 4 hours to travel from place X to place Y at the speed of 80 km/hr. He takes 1 hour to travel from place Y to place Z with 80% increased speed. What is the average speed from Place X to Z for the complete Journey?
The table given below shows the number of bikes of 5 different types sold by two companies.
Which of the following statement is correct?
I. Ratio of number of bike A sold by C1 to the number of bike D sold by C2 is 5; 11.
II. The average number of bikes A, B, D and E sold by C1 are 75.
A person loses 20 percent on selling 80 pens for Rs. 40. What should be the selling price of 80 pens to earn a profit of 10 pens?
A number is increased by 5% and then the increased number is decreased by 5%. What is net increase or decrease percent?
The pie chart given below shows the number of students studying in six schools. Total number students studying in all these six schools are 9000.
Number of students studying in a particular school is shown as a percentage of total number of student studying in all these six schools.
What is the difference between the number of students studying in school A and B together and school D and F together?