First 13 whole numbers = 0, 1, 2, …….., 15, 16 total of numbers =0+1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16=136 Average = 136/17=8.
Perimeter of a square field is 160 meters and the area of a rectangular field is 30% more than that of the square field. Find the area (in m2...
Taking any three of the line segments out of segments of length 2 cm, 5 cm, 7 cm and 8 cm, the number of triangles that can be formed is:
A race track is in the shape of a rectangle with length of 13 metres and area of 1300 m2. A car takes 10 seconds to make one lap around the p...
Sum of first 10 terms of a GP is equal to the sum of the first 12 terms in the same GP. Sum of the first 15 terms is 31, what is the third term in the GP?
The average cost of two chairs is Rs. 15000. The average cost decrease by 30% when one more chair is included. What is the cost price of the 3 rd <...
The area of the largest circle, that can be drawn inside a rectangle with sides 100 cm by 91 cm, is:
The radius of a cone is 7 cm, and its height is 24 cm. A sphere is inscribed in the cone, touching the base and the curved surface. Find the radius of t...
The circumference of a circle is 33 cm and the length of the rectangle is 8 times the radius of the circle. Find the area (in cm2) of the rec...
The area of a square is 361 cm². Find the ratio of its area to that of a rectangle whose breadth is 20% more and length 50% more than the side of the s...
