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ATQ, Let the downstream speed of the boat and speed of the boat in still water be 8x km/hr and 7x km/hr, respectively. Therefore, speed of the stream = downstream speed - speed of the boat in still water Speed of stream Speed of stream = 8x−7x = x km/hr And, upstream speed of the boat = speed of the boat in still water - speed of stream Upstream speed Upstream speed=7x − x = 6x km/hr Given: So, downstream speed of the boat: 8x = 8×5 = 40km/hr Required time:
Select the alphanumeric-cluster that can replace the question mark (?) in the following series,
D4U, G9R, J160, ?
Find the ratio at which rice at ₹15.20 per kg is mixed with rice at ₹18.10 per kg to get a mixture worth ₹16.30 per kg.
Find the missing number.
Each of the letters in the word ‘ADMIT’ is arranged in alphabetical order. How many letters are these in the English alphabetical series between the...
Six boxes named A, B, C, D, E and F are placed one above the other, but not necessarily in the same order. Box- A is placed immediately above Box- F. On...
In the following question, select the missing number from the given series.
14, 6, 5, 6.5, 12, ?
Which two numbers should be interchanged to make the given equation correct?
8 + 7 × 5 ÷14 – 3 = 6
E M 3 P 5 7 R T V Z 9 D I F Q X 4 6 H I 2 8 W
Which of the following is exactly in the middle between the 7th letter/number from the left end and...
How many triangles are there in the given figure?