The diameter of a circle is equal to the perimeter of a square whose area is 3136 sq cm. What is the circumference of the circle?

When 1062, 1134 and 1182 are divided by the greatest number .x, the remainder in each case is y. What is the value of (x − y)?

Directions: Study the following table carefully to answer the questions that follow Number of Gold coins (in hundred) produced in Five Different companies during Six Different month.

What was the total number of Gold coins produced from all the companies together in the month of march?

A can do a piece of work in 24 day, B in 32 days and C in 64 days. All begin to do it together, but A leaves after 6 days and B leaves 6 days before the completion of the work. How many days did the work last?

X and Y enter into a partnership with capital in the ratio 3: 5. After 5 months X adds 50% of his capital, while Y withdraws 60% of his capital. What is the share (in lakhs) of X in the annual profit of 6.84 lakhs?

Three solid metallic sphere whose radii are 3cm, x cm and 18cm respectively, are melted and recast into a single solid sphere of diameter 38cm. Then find the total surface area of the sphere with radius x cm?

In a lottery, there are 7 prizes and 21 blanks. If a lottery is drawn at random, then what is the probability of getting a prize?

Simplify the following expression.

 25-(4÷2)+11.5+9.5