Question
A boat can cover 220 km in downstream in 11 hours and
126 km in upstream in 18 hours. Find the speed of boat in still waterSolution
Downstream speed of the boat = 220/11 = 20 km/hr Upstream speed of the boat = 126/18 = 7 km/hr Speed of boat in still water = (20 + 7)/2 = 13.5 km/hr
In a certain code RAINBOW is written as VNAMHZQ. How is SEMINAR written in that code?
Select the correct combination of mathematical signs that can sequentially replace the '$' signs and balance the equation.
180β$β9β$β6β...
Out of the four given equations, the first three are solved based on a certain system. Find the correct answer for the unsolved fourth equation on the ...
Four letter-clusters have been given out of which three are alike in some manner and one is different. Select the letter-cluster that is different.Β
Which two numbers should be interchanged to make the following equation correct?
108 Γ· 5 β 2 Γ 9 + 25 = 27
In a code language, ' SLAIN ' is written as β PKCNU β and ' DENT ' is written as ' VPGF '. How will ' CUBOID ' be written in that language?
...Select the figure from the options that can replace the question mark (?) and complete the pattern.
If βAβ means (Γ·), βBβ means (Γ), βCβ means (+), and βDβ means (-), then what is the value of the expression:
54 B 54 A 27 B 8 D...
Select the option that is related to the third term in the same way as the second term is related to the first term.
SZ : RA :: IL :
What should come in place of the question mark (?) in the given series based on the English alphabetical order?
Β TUO, VWR, XYU, ZAX, ?