World Pulses Day is a new opportunity to heighten public awareness of the nutritional benefits of eating pulses. In 2019, 10th February is celebrated as first ever World Pulses Day.
By increasing the price of entry ticket to a fair in the ratio 5:7, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?
___________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system.