Start learning 50% faster. Sign in now
Get Started with ixamBee
Start learning 50% faster. Sign in nowLet speed of boat in still water and speed of boat in upstream be ‘9x’ km/h and ‘5x’ km/h, respectively. Speed of stream = 9x – 5x = 4x km/h Speed of boat in downstream = 9x + 4x = 13x km/h So, 13x = 221/5 => x = 3.4 Speed of boat in still water = 9 × 3.4 = 30.6 km/h Desired time = 38.25/30.6 x 60 = 75 minutes
Select the set in which the numbers are related in the same way as are the numbers of the following set.
(4, 152, 6)
If first and last digit of each number is multiplied and then the product is added to the sum of the middle two digits of the number, which resultant nu...
If 3792 = 39 and 7242 = 22, then 2958 = ?
4863
x 1211
If ‘ x' is the resultant of the first row, what is the resultant of the second row?
...If A denotes 'addition', B denotes 'multiplication', C denotes 'subtraction', and D denotes 'division', then what will be the value of the fol...
Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is relate...
Read the directions carefully and answer the following question.
Select the correct combination of mathematical signs that can sequentially re...
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the equation.
1496 * 8 * 13 * 40 * 5 * 0
The downstream speed of a boat is 6 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream ...
Three of the following four numbers are alike in a certain way and one is different. Pick the number that is different from the rest .