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An electronics store orders 150 portable speakers at a cost of ₹400 each. The owner plans to price them so that selling only 120 speakers would guarantee a 40% profit on the total investment. However, a local event leads to the sale of 135 speakers. If the remaining speakers have no resale value, calculate the store’s actual profit percentage on the total investment.
The set of real numbers includes which of the following?
Dhanush crosses a road 100 metres wide in 50 seconds. His speed in km/hr is:
A sphere is inscribed inside a cube. The volume of the cube is 1728 cm³. What is the total surface area of the sphere?
A large wooden box, open at the top, needs to be lined with fabric on its inner floor and inner four side walls. The inner dimensions of the box are 2.5 m length, 1.8 m wide, and 1.2 m high. If the fabric comes in square pieces of side 50 cm, and 15% extra fabric is needed for cuts and overlaps, how many approximate fabric pieces should be purchased?
M and N start a business with Rs. 2,00,000 and Rs. 3,00,000 respectively. After 4 months, M adds Rs. 1,00,000 more, and N withdraws Rs. 50,000. At the end of 1 year, they make a profit of Rs. 1,80,000. What is N’s share of profit?
A square of side 10cm has a smaller square (of side 4cm) removed from one side. What is the ratio of the remaining area to the original?
A rectangular park is 60m by 40m. A semicircular pond of diameter 40m is inside. What percent of the park's area does the pond occupy?
A regular hexagon has a perimeter of 72 cm. What is its area?
Out of her total monthly income, a woman spends 60% on household expenses and 15% on savings. The remaining is spent on other items. What percentage of her income is spent on these other items?
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