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Start learning 50% faster. Sign in nowThe correct answer is C
Perimeter of a rectangle is 50% more than that of a square of side 30 cm. If the difference between the length and breadth of the rectangle is 7 cm, res...
Three circle of diameter 14 cm each, are bound together by a rubber band, as shown in the figure. The length of the rubber band, in cm, if it is stretch...
The length of a rectangle is extended by 26%, while its width is reduced by 26%. What is the percentage change in the area of the rectangle as a result ...
Perimeter of a square and circumference of a circle are in the ratio 14:11, respectively. If area of the square is 196 cm2, then find the rad...
A solution is formed by mixing three liquids P, Q, and R in the ratio 4:3:2. Liquid P contains 50% alcohol, Liquid Q contains 40% alcohol, and Liquid R ...
What will be the total surface area of a triangular pyramid whose sides are all 1 cm long?
A giant circular wheel has a diameter of 21 metres. In how many revolutions will the wheel cover a total of 16.5 km?
The ratio of the curved surface area and total surface area of a cylinder is 16 : 17 . If the curved surface area of the cylinder is 308m². Find th...
If A’s income is 60% more of B’s income and B’s income is 40% less than C’s income, then by what percent is C’s income mor...
If x1 and x2 are the roots of the equation 2x2 + 3x – 9 = 0, then the equation which has the roots 1/x1 and1/x2 is:
