A wire of 2.8 mm diameter is produced using 154 cubic centimeters of copper. Which of the following is the length of the wire in meters?

A car travels from point A to point B. The car stops at two points, X and Z during the journey. The distance from point A to X is 3480 yards, from point X to Z is 786900 decimeters, and from point Z to B is 7.80 miles.

What is the distance from point A to B in kilometers?

Mark covers a distance of 22.5 miles in 12 minutes. What is his speed in meters per second?

Lisa is 150 months older than Mathew. If the ratio of their respective ages is 11:8 then what will be Mathew's age after 79 months?

The lengths of three sides of a right angled triangle are 0.09 meters, 120000 microns and 3.15 inches. If a cone is formed by rotating the triangle along the side of 3.15 inches length, then what is the volume of the cone in cubic centimeters?

Mary borrowed $1800 from Elena at an interest rate of 12% per annum (compound interest) for 36 months. What will be the approximate value of the amount paid by Elena after 36 months if the interest is calculated quarterly?

After four years, Nina's age will be three times the age of her niece. At present, Nina is 224 months older than her niece. What was Nina's age before 65 months?

A group has 7 persons. When a person with 58 kg weight is replaced by another person, the average weight of the group is increased by 10.803 pounds. What is the correct weight of the new person?

Mark needs to build a boundary wall on one side of his garden. The length, breadth, and height of the wall should be 100 feet, 49.21 feet, and 63 meters respectively. How many bricks will be required if the length, breadth, and height of each brick is 1200 cm, 1800 mm and 15 decimeters respectively?

Nina is 5844 days younger than Paul. In 209 weeks, her age will be half the age of Paul. What is the approximate age of Nina at present?

Sonia borrowed $62500 from a bank for 48 months. If the rate of interest per annum is 16% then what is the approximate value of compound interest paid by Sonia at the end of 48 months?