a vessle contains x gallons of wine and another contains y gallons of water.From each vessel z gallons are taken out and transferred to the other.From the resulting mixture in each vessel, z gallons are again taken out and transferred to the other.If after the second transfer, the quantity of...
sobhon
Asked:
December 2022
in a batch of 15 students 5 students failed in a test. the marks of 10 students who passed were 90, 60, 70, 80, 80, 90, 60, 50, 40, 70. find the median of the marks of all 15 students.
sobhon
Asked:
December 2022
How many natural numbers less than 10^8 are there,whose sum of digits equals to 7?