Question
Train crosses a bridge which is 250 m long in 25 sec.
Find the time taken by train to cross a man running in opposite direction at speed of 15m/sec. Find the speed of train.Solution
Let the length of the train be ‘l’ meter, speed of train be ‘s’ m/sec and speed of man be ‘m’ m/sec. According to question, => (l + 250)/s = 25 A man running in opposite direction at speed of 15m/sec, => l/(m + s) = 15 The speed of train cannot be determined.
Which of the following is the code of ‘start succeed’?
What is the code are ‘and you’?
In a certain code, if REJOICE is coded as 331517, what is the code for HARMONY?
If 2 is subtracted from each odd digit in the number 967543628 and 1 is added to each even digit in number then how many digits of the following number ...
If the BASKET is coded as 5#3@68 and TRIED is coded as 8%16$. How is ' SKIRT' coded as?
What is the code for ‘is’?
What is the code for ‘one’?
What is the code of ‘measures’?
In a certain code language, the code for ‘RUNNER’ is ‘18211414518’, and code for ‘SAVER’ is ‘19122518’. What is the code for ‘ WINNER ...
What is the code for “foreign” in the given language?
Relevant for Exams:
