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One is added to odd digit of the first number and one is subtracted from even digit of the first number and then both the digits are multiplied to obtain the second number. (8 – 1) x (3 + 1) = 7 x 4 = 28 (7 + 1) x (2 – 1) = 8 x 1 = 8 (2 – 1) x (5 + 1) = 1 x 6 = 6
A sphere is melted and recast into 8 smaller spheres of equal size. If the radius of the original sphere is 12 cm, find the radius of each smaller sphere.
The ratio of males and females in a zoo is 6:7 respectively and the percentage of children among males and the percentage of children among females are ...
Find the time taken by a pipe, which releases 94.5 m3 of water in a minute to fill an empty cylindrical tank of radius 18 m and height 14 m. ...
If the area of a triangle is 1690 cm2 and base: corresponding altitude is 4:5, then the altitude of the triangle is:
The perimeter of a rectangular field is 480 meters and the ratio between the length and breadth is 5:3. The area of the field is:
Two paths of width 5 metres are to be made in the centre of rectangular field such that they are perpendicular to each other. Find the area (in m2<...
If the ratio of areas of two circle is 4:25, then the ratio of their circumferences will be:
If the ratio of areas of two circle is 4:9, then the ratio of their circumferences will be:
Perimeter of a square field is 120 meters and the area of a rectangular field is 20% more than that of the square field. Find the area (in m2...
The length of a rectangle is 9 metres more than its width. If the perimeter of the rectangle is 50 metres then what is the area (in m2 ) of ...
