Question
What is the missing number in the series:
2,7,28,63,126,____Solution
The pattern is ( n^3 + n ) (e.g., ( 1^3+1=2 ), ( 2^3-1=7 ), ( 3^3+1=28 ), etc.), so ( 6^3-1=215 ).Â
A rectangular plot has an area of 490 m². If the length of the rectangular plot is 24.5 m. Find the perimeter of the rectangular plot.
The area of a square field is 4050 sq m. How long in seconds will a lady take to cross the field diagonally at the rate of 4.5 km/hr?
The sum of the length, breadth, and height of a cuboid is 30 cm. If the length of the diagonal is 17 cm, find the total surface area of the cuboid.
The length, breadth and height of a storeroom are 12m, 7m and 10m respectively. If each box occupies 40 m3 of space, then how many boxes can ...
The ratio of the radii of two right circular cylinders (A and B) is 3 : 4.The ratio of the heights of cylinders A to B is 5 : 1. What is the ratio of th...
- If the edge of the cube is increased by 100%, then find the percentage increase in the volume of the cube.
- The area of the base of a rectangular reservoir is 960 m² and the volume of water contained in it is 38400 m³. Find the depth of the water in the reservo...
The sum of the monthly incomes of ‘A’, ‘B’ and ‘C’ is Rs. 50000 which is 4 times the monthly income of ‘C&rsqu...
- The ratio of radius of a circle and side of a square is in the ratio 7:8 respectively. The perimeter of the square is 20 meters more than the perimeter of ...
The volume of a cone is 128Ï€ cubic centimeters. If the radius of the base is 4 cm, find the height of the cone.
