The diameter of the base of a right-circular cylinder is 12 cm and the height of the cylinder is 2.45 times the radius of its base. Find the curved surface area of the cylinder. [Use π=22/7]

The sum of length, breadth and height of a cuboid is 20 cm. If the length of the diagonal is 12 cm, then find the total surface area of cuboid.

Directions: Read the below data carefully and answer the following questions.
The table shows the total number of ice cream (Chocobar + Cornetto) was given by Santa Claus on the day of Xmas to 5 children. It also shows the number of Chocobar ice-creams is how much more or less percentage of the total number of Cornetto ice-creams.

What is the average number of Chocobar ice creams they all have?

The HCF of two numbers 12906 and 14818 is 478. Their LCM is

1! + 2! + 3! + 4! + ......... + 50! Find the unit digit of?

Directions: The table given here shows the production of five types of cars by a company in the year 1989 to 1994. Study the table and answer questions.

During the period 1989-94, in which type of cars was a continuous increase in production?

A dealer marks his goods at 40% above the cost price. He sells 60% of the goods at the marked price giving 10% discount and the rest by giving 50% discount on the marked price. What is his overall profit/loss per cent?

If p = 99, then value of p(p² + 3p + 3) is