The speed of a boat in still water is 6 km/hr more than that of the current. The time taken by the boat to cover 825 km downstream is 16.5 hours. Find the total time taken by boat to travel 550 km downstream and 45 km upstream.
Therefore, downstream speed of the boat = 825/16.5 = 50 km/hr And, upstream speed of the boat = 6 km/hr Required time taken = (550/50) + (45/6) = 11 + 7.5 = 18.5 hours
Which day is 10th October, 2027?
A, B and C are three places such that there are three different roads from A to B, four different roads from B to C and three different roads from A to...
In the series AABABCABCDABCDE...,which letter appears at the 100th place?
Following is a matrix of certain entries. The entries follow a certain trend row-wise. Choose the missing entry (?) accordingly.
7BÂ Â Â Â Â Â...
Eight students A, B, C, D, E, F, G and H sit around a circular table, equidistant from each other, facing the centre of the table, not necessarily in t...
In a group of 120 persons, 80 are Indians and rest are foreigners. Further, 70 persons in the group can speak English. The number of Indians who can sp...
When 70% of a number x is added to another number y, the sum becomes 165% of the value of y. When 60% of the number x is added to another number 2, the...
What is the smallest number greater than 1000 that when divided by any one of the numbers 6, 9, 12, 15, 18 leaves a remainder of 3?
An amount of money was distributed among A, B and C in the ratio p: q:r.
Consider the following statements :
1.   A gets the maxi...
Which number amongst 240, 321, 418 and 812 is the smallest?