Question

A boat goes 30km upstream and 44km downstream in 10 hr.In 13hr it can go44km upstream and 55km downstream . Determine the speed of the stream and that of the boat in still water.

I want 8th answer of exercise 3.1 

How can we find rational numbers between any number?

1. Exercise 10. 4 in math for 12th class

10 maths

Find quadratic polynomial whose sum and product of zeros are 1 upon 4 and -1 respectively .

• Limit of engineering mathematics sindhu prasad book solution

Education is the chief defence of nation these lines of Brooks are absolutely true the strongest power of the nation is its literacy and economics without this to a country cannot be the strongest power of the nation is its literacy and economics without this to a country cannot be the strongest power of the nation is its literacy and economics without this to a country cannot be the strongest power of the nation is its literacy and economics without this to a country cannot be the strongest power of the nation is 

Comparing quantities grade 8

Table below shows the daily expenditure on food 25 house holds in a locality 

Statistics they say find the mean which method shall I use direct,  assumed mean, step deviation method

Sir ,in involute question of permutation how do we know that we have to apply combination

 

 

find the value of : sin(2tan^-1 1/4) + cos(tan^-1 2 root2)

mathematics for tenth

1. Show that the diagonals of square are equal and bisects at right angle triangle

Is there another methods

What is algebra

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