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Ratio of distance travelled by ‘A’ and ‘B’ = 26:13 = 2:1 Required distance = 21 × 3 = 63 km
The perimeter of a square and a rectangle is in the ratio of 16:15. The square has an area of 256 cm², and the length of the rectangle is 12.5% greater...
The difference between the length and breadth of a rectangle is 27 m. If its perimeter is 194 m, then its area is
A cone and a hemisphere have the same base radius and the same height. If the total volume of both is 2,160 cm³, find the radius.
The Volumes of the two spheres are in the ratio 64:125. Their surface area will be in the ratio.
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 128˚ , then the measure of angle P is:
The length of a plot is three times its breadth. A playground measuring 150 square metres occupies half of the total area of the plot. What is the lengt...
The average of the areas of 2 similar triangles is 706.5 m2 whose perimeters are in the ratio of 6: 11. What is 20% of the difference (in m2)...
If the length of a rectangle becomes double and its breadth becomes three-fourth, then find the percentage increase in its area.
A boy is supposed to distribute Rs.2400 among his three friends P, Q and R in the ratio of 4:3:5 respectively, but mistakenly he distributed in the rati...
