Time taken by boat upstream (u) = 6 hrs Time taken by boat downstream (v) = 3 hrs Speed of boat in upstream = 15 km/h Distance travelled by boat in upstream = 15 × 6 = 90 km we know that, u + v = 90/3 = 30 u – v = 15 Distance travelled by boat downstream = 7 × 30 = 210 km
The sequence of folding a piece of paper and the manner in which the folded paper has been cut is shown below. Choose a figure which would most closely ...
Select the number from the given alternatives that can replace the question mark (?) in the following series.
0, 6, 24, 60, 120, ?
If ‘+’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’, then what will come in place of the question mark...
P, Q, R, S, T, U and V are seven students in a class. They are compared on the basis of their height. T is shorter than S but taller than U. U is taller...
Find out the correct alternative that when filled in the blanks in the same sequence will make the series logically complete.
ZA_J B_BK DAB_ _ ABM HA_N
In a certain code, if '&' means 'add', '#' means 'multiply', '@' means 'divide' and 'S' means 'subtract'. Find the value of the following equation.
In a certain language, if the signs + and ×, and the digits 3 and 8 are interchanged, then what is the value of the following expression?
6 ×...
If '÷' is replaced with '+', '×' is replaced with '–', '+' is replaced with '×' and '–' is replaced with, '÷' then what will be the value of the...
Two statements are given, followed by three conclusions. Assuming the statements to be true, even if they seem to be at variance with commonly known fac...
Select the set in which the numbers are related in the same way as the numbers of the given sets. (NOTE : Operations should be performed on the whole nu...