Question
The speed of a motorboat in still water is 50 km/hr. If
the motorboat travels 120 km along the stream in 1 hour 30 minutes, then the time taken by it to cover the same distance against the stream will beSolution
Let the speed of the current be x km/hr Rate Downstream = (x+ 50) km/hr According to the question 120/(x+50) = 1 hour 30 minutes 120/(x+50) = 3/2 240 = 3x + 150 x= 30 km/hr Rate upstream = 50 – 30 = 20 km/hr Required time = 120/20 = 6 hours
In the word ‘ INCREASE’ all consonants are written as their preceding letter and all vowels are written as their following letters. Now all letters ...
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What should be the third step of the following input?
Input: 91 273 35 249 553 511 201 183
Select the option that is related to the third number in the same way as the second number is related to first number and the sixth number is related t...
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Study the given pattern carefully and select the number that can replace the question mark (?) in it.
First row: 14, 22, 31
Second row:...
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If ‘lived is coded as ‘ma’ then what is the code for ‘to’?
3 बजकर 30 मिनट पर घड़ी की मिनट एवं घण्टे की सूई कितने डिग्री का...
