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The decibel (dB) is a logarithmic unit that indicates the ratio of a physical quantity (usually power or intensity) relative to a specified or implied reference level. A ratio in decibels is ten times the logarithm to base 10 of the ratio of two power quantities. 230. (4) Bats use echolocation to navigate and forage, often in total darkness. They generally emerge from their roosts in caves, attics, or trees at dusk and hunt for insects into the night.
The cost price of two dozen bananas is Rs. 96. After selling 18 bananas at the rate of Rs. 36 per dozen, the shopkeeper reduced the rate to Rs. 24 per d...
A shopkeeper originally priced an item at 60% above its cost price and then offered a 15% discount before selling it. If the shopkeeper had initially ma...
Arjun sold two laptop bags, one with a 20% profit and the other with a 25% profit. The marked price of each bag is Rs. 1,500, and...
A trader buys two types of smartphones at different prices: 10 smartphones at ₹25,000 each and 5 smartphones at ₹30,000 each. If the trader sells al...
A school bag is sold for Rs.540 after giving two successive discounts of 10% and 20%. If school bag is marked up by Rs.480 above its cost price, then fi...
A dishonest merchant sells goods at a 12.5% loss on the cost price, but uses 28 g weight instead of 36 g. What is his percentage profit or loss?
If a man purchases kismis at Rs.320 per kg and sells it at Rs 6 per 25 grams. then his profit/loss percentage is:
A shopkeeper marked an article ‘A’ 28% above the cost price and sold it for Rs. 8064 after giving a certain discount while he sold an article ‘B�...
A has bought a few items from the interest he earned from the investment in PNB. A has marked up the items by 11(1/9)% above the cost price. Find out th...