Question
A boy goes to school with a speed of 55 km/h and comes
back with a speed of 45 km/h. find his average speed?Solution
Since the distance travelled by a boy (going to school and coming back from school) is equal. So, average speed = 2xy/(x + y) Average speed = (2 x 55 x 45)/(55 + 45) Average speed = (2 x 55 x 45)/100 = 49 km/hr
Three brands of coffee are rated for taste on a scale of 1 to 10. Six persons are asked to rate each brand so that there is a total of 18 observations. ...
When a firm’s decision to produce decreases the wellbeing of others, but the firm does not compensate those others. It is a case of______.
...Consider the following:
Statement 1: There exists an inverse relationship between market rates of interest and price of bond
Statement 2: ...
Which of the following sets of financial criteria must a Navratna company meet over the last three years to be eligible for the grant of Maharatna status?
