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Cost price of the article = 280 ÷ 1.40 = Rs. 200 New selling price of the article = 280 × 0.85 = Rs. 238 New profit = 238 – 200 = Rs. 38
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 12 m and height 14 m. ...
Perimeter of a square and circumference of a circle are in the ratio 7:11, respectively. If area of the square is 49 cm2, then find the radiu...
If 'Head' appears consecutively in the first three tosses of a fair/unbiased coin, what is the probability of 'Head' appearing in the fourth toss also?
A solid cube of side 8 cm is dropped into a rectangular container of length 16 cm, breadth 8 cm and height 15 cm which is partly filled with water. If t...
The length and breadth of a rectangle are increased by 20% and 30% respectively. The increase in the area of the resulting rectangle will be:
A tank whose length, width and height are 22 metres, 19 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.5/m
The surface area of water in a swimming pool forms a rectangle with length 30m and breadth 12m. The depth of water increases uniformly from 1.4m to 2.6m...
The outer radius of a spherical shell is 8 cm, and the thickness of the shell is 2 cm. Find the volume of the metal used for the shell (in cubic cm).
A circular park has a diameter of 140 metres. A fence, 12 metres high, is to be constructed all around the park along its boundary. If the cost of fenci...
