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Let monthly income of A and B be 9x and 10x, respectively. Then, 9x + 10x = 76000 19x = 76000, x = 4000 A’s monthly income = 9x = Rs. 36000 B’s monthly income = 10x = Rs. 40000 Given, expenditure of B = Rs. 18000 So, B’s saving = 40000 – 18000 = Rs. 22000 Then, A’s saving = 22000 + (1/11) × 22000 = 22000 + 2000 = Rs. 24000 A’s expenditure = 36000 – 24000 = Rs. 12000
Two pipes A and B can fill a tank in 15 hours and 20 hours, respectively. If both pipes are opened together and then pipe A is closed after 5 hours, how...
A deck of 52 cards is used. Two king cards and one spade are removed from the deck. Then, two cards are drawn randomly one after the other without repla...
An investor deposits ₹50,000 in a bank that offers a simple interest rate of 8% per annum. How much interest will the investor earn after 3 years, and...
A vessel is completely filled with milk. If 48% of the milk is replaced with water then only 130 ml of milk will be left in the vessel. What is the tota...
3, 14, 69, 340, 1825, ?.
Find the greatest 3-digit number which when divided by 11 or 14 leaves a remainder of 3.
I). p2 + 16p + 55 = 0
II). q2 + 9q + 20 = 0
55-litres of paint is added to a mixture of paint and oil in the ratio 3:5. The ratio of paint and oil in the resulting mixture is 4:3. Find the total v...
A mixture contains 40 liters of milk and 10 liters of water. How much milk should be added to make the ratio of milk to water 5:1?
