Home
Class 10
MATHS
The houses of a row are numbered consecu...

The houses of a row are numbered consecutively 45 cm from 1 to 49. Show that there is a value of x such that the sum of the numbers of the houses preceding the house numbered x is equal to the sum of the numbers of the houses following it. And find this value of x.
[Hint: `S_(x-1) = S_(49) -S_(x)]`

Promotional Banner

Topper's Solved these Questions

  • PROGRESSIONS

    NCERT TAMIL|Exercise EXERCISE 6.5|7 Videos

  • PROBABILITY

    NCERT TAMIL|Exercise THINK AND DISCUSS|3 Videos

  • QUADRATIC EQUATIONS

    NCERT TAMIL|Exercise OPTIONAL EXERCISE|7 Videos

Similar Questions

Explore conceptually related problems

Find the number zeroes of the given polynomials. And also find their values. p(x)=2x+1

If "1 g cm s"^(-1)=x newton- second, then the number x is equal to:

Sum of 1 to n natural numbers is 36, then find the value of n.

If the average of the numbers 1,2,3,…., 98,99,x is 100x, then the value of x is

A pair of dice is thrown and the random variable X is defined as the sum of numbers that appear on the two dice. Find the mean or expectation of X.

Find value of a for which the sum of the squares of the equation x^2 -(a-2) x -a -1 = 0 assumes the least value.