Showing posts from August, 2020
At present, Asha's age (in years) is 2 more than the square of her daughter Nisha's age. When Nisha grows to her mother's present age, Asha's age would be one year less than 1 0 times the present age of Nisha. Find the sum of the…
In a household,an electric bulb of 100W is used for 10 hours and an electric heater of 1000W is used for 2 hours .Calculate the cost of bulb and the heater for 30 days the cost of one unit of electrical energy as 2 rupees. Answer- 180 Rupees. To know…
