Question
The speed of current is 30 km/hr. If the speed of the
boat in still water had been 13 km/hr more than the original speed then it would take 7.5 hours to cover 420 km in downstream. Find the original speed of the boat in still water (in km/h).Solution
Let the speed of the boat in still water be ‘x’ km/hr According to the question, (x + 13 + 30) = 420/7.5 Or, x = 56 – 43 = 13
Three of the following number-pairs are alike in some manner and hence form a group. Which number-pair does not belong to that group? (NOTE: Operations ...
Onion: Cauliflower :: Turmeric :Â ?
Statements:
Only a few Lotions is Bands.
Only a few Lipsticks is Lotions.
No Lipsticks is Cream.
Conclusions:
I. Ever...
What is the total distance between point X and point T?Â
What should be the next term in the series 2, 3, 6, 6, 10, 9, 14, 12, ___ ?
IF 'NOISED' is coded as 'PRMQBZ', how will ‘GARDEN’ be coded as in the same code?Â
How many dots lie opposite the face having six dots, when the given figure is folded to form a cube?
What will come in the place of '?' in the following equation, if '+' and '-' are interchanged and ' X ' and '÷' are interchanged?
8 - 6 ÷ 12 + ...
If F = 6 and TRIAL = 60, then OBVIOUS =