What will be the area of the curved surface of an elliptical cylinder whose height and diameter are 10 cm and 8 cm respectively?

By selling 100 pencils, A shopkeeper gains the selling price of 20 pencils. His gain percentage is

Direction: What value will come in place of the question mark (?) in the following question?

32, 50, 86, ?, 212, 302

Direction: Study the information given below carefully and answer the questions given below.
Three companies A, B and C manufactured two types of bottles viz Steel and Copper. Total number of bottles manufactured by the company is 1000. The ratio between the number of copper bottles manufactured by A and the number of Steel bottles manufactured by B is 13: 17. The total number of Copper bottles manufactured by C is 164. The number of Copper bottles manufactured by B is 25 more than the same type of bottles manufactured by A. The 14.28 % of the number of Copper bottles manufactured by B is equal to the 1/9th of the total number of Steel bottles manufactured by C. The number of Steel bottles manufactured by A is 122 which is 21 less than the number of Copper bottles manufactured by the same company.

The number of copper bottles manufactured by shop D is 25% more than the number of steel bottles manufactured by shop C. Find the ratio of copper bottles manufactured by shop A and D.

The circumference of the base of a right circular cone is 44 cm and its height is 24 cm. The curved surface area (in cm²) of the cone is: (Taken π=22/7)

A is 50% more efficient than B. They together start the work and $$ {7\over 12}$$ th of work is left after 8 days. Find in what time B alone will complete the whole work.

Direction: Read the following table carefully and answer the following questions:

Table shows the percentage of male and female employees in different education in a company and total number of males and females:

Find the number of Undergraduate male employees is approximately what percent less than the number of undergraduate female employees?

The minute hand of a clock is 20 cm long. Find the area on the face of the clock swept by the minute hand between 8 a.m. and 8:45 a.m.