Using Identities x - y = -6 ; xy = 4. Find the value of x3 - y3
Two taps can fill a tank in 30 minutes and 40 minutes. Another tap can empty it in 24 min. If the tank is empty and all the three taps are kept open, in how much time the tank will be filled
Monthly expenditure of a person is shown in the figure. Find the amount has in his savings?
Choose the correct answer :
I. Nimbus clouds are vertical clouds
II. Nimbus clouds are high clouds
III. Nimbus clouds are low clouds
IV. Nimbus clouds are cotton-like clouds