If 31x + 31y = 403, then what is the average of x and y?
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If (6x - 1) - (8x - 5) = 7, then the value of x is _______ .
Three numbers are in Arithmetic Progression (AP) whose sum is 30 and the product is 910. Then the greatest number in the AP is
The marked price of a shirt is twice of the cost price. To earn a gain of 25%, what should be the discount percentage?
The difference between compound interest and simple interest on Rs. 5000 for 2 years at 8% per annum payable yearly is
The ratio of curved surface area and volume of a cylinder is 1 : 7. The ratio of total surface area and volume is 187 : 770. What is the respective ratio of its base radius and height?
A cuboid of size 50 cm × 40 cm × 30 cm is cut into 8 identical parts by 3 cuts. What is the total surface area (in cm2) of all the 8 parts?
A train 240 meters in length crosses a telegraph post in 16 seconds. The speed of the train is?
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