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if x^2a=y^2b=z^2c. x^2=yz then hindu out ab+bc+ca/ba

The speed of a boat along the stream is 15 kmph and it travels a distance along the stream in 15 hours. The speed of the boat against the stream is 5 kmph. What is the time taken by the boat to cover the same distance in still water. (in hours)

i alraedy puchased an test serise but unable to access it can someboDy tell mE why and how i will acess it?

A professor thinks of 2 consecutive numbers between 1and 10(both inclusive). student A knows one no. and student B knows another.
A: I do not know your number.
B: Neither do i know your number.
A: now i know your number.
There are 4 possible solution, what are they??

The ratio of the incomes of A and B last year was 4:3, respectively. The ratios of their individual incomes of the last year and the present year are 3:4 and 5:6, respectively. If their total income for the present year is ₹8.04 lakh, then the income of B last year was:

Hello! I have joined the CAT2020 batch. I am completing all the batch tasks, but apart from that what should be a study plan for the topic tests to full preparation?

Snake:vqdnh::cradle

I am reposting this as I did not get a reply..... How to plan studies for CAT? The overall course is vast and I am not able to plan my studies for the same. Please guide me...

which of the following is known as the Manchester of South India

Hi! I have been following the planned schedule and giving 5 questions test after the concept videos. But haven't been able to score well or attempt those questions as per expectation. So do I keep going on with the schedule or re-watch these videos and try looking at solutions all over again?