A shopkeeper first raises the price of Jewellery by x% then he decreases the new price by x%. After such up down cycle, the price of a Jewellery decreased by Rs. 21025. After a second up down cycle the Jewellery was sold for Rs. 484416. What was the original price of the jewellery.2
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Reena goes to a shop to buy a radio costing Rs. 2568. The rate of sales tax is 7% and the final value is rounded off to the next higher integer. She tells the shopkeeper to reduce the price of the radio so that she has to pay Rs. 2568 inclusive of sales tax. Find the reduction needed in the price of the radio.
- [A] Rs. 180
- [B] Rs. 210
- [C] Rs. 168
- [D] Rs. 170
- [E] None of these
Narayan spends 30% of his income on education and 50% of the remaining on food. He gives Rs. 1000 as monthly rent and now has Rs. 1800 left with him. What is his monthly income?
- [A] Rs. 8000
- [B] Rs. 7000
- [C] Rs. 9000
- [D] Rs. 6000
In a mixture there is 15% of salt. When 30 liter of water is evaporated, salt becomes 20% of mixture. Find the initial quantity of mixture.
- [A] 120 lit.
- [B] 110 lit.
- [C] 125 lit.
- [D] 115 lit.