A paper is in a square form whose one side is 20 cm. Two semi circles are drawn on its opposites as diameters. If these semi circles are cut down what is the area of the remaining paper?

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The length of a rectangular plot is increased by 25%. To keep it’s area uncharged the width of the plot should be___________?

A. Kept unchanged B. Increased by 25% C. Increased by 20% D. Reduced by 20%...

A hall is a 15m long and 12m board. If the sum of the areas of the floor and the ceiling is equal to the areas of the 4 walls the volume of the hall is:

A. 720 Cu.m B. 1200 Cu.m C. 361 Sq.cm D. None of these...

The diagonals of a rhombus are 15 cm and 20 cm. Find its area?

A. 120 sq m B. 300 sq m C. 150 sq m D. 480 sq m...

A rope of which a calf is tied is increased from 12 m to 23 m, how much additional grassy ground shall it graze?

A. 1120 m2 B. 1250 m2 C. 1210 m2 D. 1200 m2...

A rectangle has 15 cm as its length and 159 cm² as its area. Its area is increased to 1 1/3 times the original area by increasing only its length its new perimeter is:_________?

A. 50 cm B. 60 cm C. 70 cm D. 80 cm...