If it has rained 276 mm in the last 3 days,how many cm of rain will fall in one full week (7 days)?Assume that the rain continues to fall at the same rate.

The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows: On how many days was the rainfall less than the mean rainfall.

In a shower, 5 cm of rain falls, find the volume of water that falls on 2 hectares of graound.

The rainfall on a certain day was 6 cm. How many litres of water fell on 3 hectares of field on that day ?

Two person can finish the work in 7 days. (i) One of the persons fell ill before the work started . How much time will the other person take to finish the same work. (ii) How many persons will be needed to finish the work in one day.

A train time table must be compiled for various days of the week, so that two trains twice a day depart for three days, one train daily for two days, and three trains once a day for two days. How many different time tables can be compiled? a. 140 b. 210 c. 133 d. 72