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Let the speed of boy in still water be X km/h. And the speed of current = 8 km/h Downstream speed = (X + 8) km/h Upstream speed = (X – 8) km/h Let time be ‘t’ hours. ⇒ [(X + 8) t]/5 = (X – 8) t ⇒ X + 8 = 5X – 40 ⇒ X = 12 km/h Downstream speed = 12 + 8 = 20 km/h Upstream speed = 12 – 8 = 4 km/h
In a code language, ‘GOODLUCK’ is written as ‘MEWNFQI’. How will ‘FORTUNE’ be written in the same language?
Find the wrong number in the following number series:
1250, 500, 200, 80, 30
Select the alphanumeric group from the given options which can replace the question mark (?) in the following series.
ZX1121, VT1242, RP1363, ?
Read the given statements and conclusions carefully. Decide which of the given conclusions is/are true based on the statements
Statements:
...Which two numbers (not digits) should be interchanged to make the given equation correct?
(18 × 2) – 24 + 10 × 160 ÷ 16 + (10 × 4) = 170
Select the option that is related to the sixth number in the same way as the first number is related to the second number and the third number is relate...
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...
Three of the following four figures are alike in a certain way and one is different. Select the odd one.
A number has been denoted to each of the given letters. Select the option from the following four possible arrangements of these numbers that forms a me...
The sequence of folding a piece of paper and the manner in which the folded paper has been cut is shown in the figures below. How would the paper look w...
