Itna Sasta? #LLAShorts 357

A Carnot engine takes in heat from a reservoir of heat at 427^(@)C . How many calories of heat must it take from the reservoir in order to procuce useful mechanical work at the rate of 357 watt ?

Find the co -ordinates of the mid point of the join of the points A(3,5,7) and B(-3,-3,1)

If the mean and the standard deviation of the data 3,5,7,a,b are 5 and 2 respectively, then a and b are the roots of the equation :

Find the ratio in which the line segment joining the points (3,5,7) and (-2,4,6) is divided by YZ plane

In the following questions, select the related number from the given alternatives. 357 : 714 :: 468 : ?

A car cover a distance of 357 km on 42 litres petrol .How far can it travel on 12 litres of petrol ?

[ On dividing a certain number by 357 ,the remainder is 39. On dividing the same number by 17, what will be the remainder? [ a) 0, b) 3, c) 5, d) 11]]

The resistance of 0.05 M NaOH solution is 31.6 Omega and its cell constant is 0.357 cm^(-1) . Calculate its conductivity and molar conductivity .