Show that i is neither 0, nor greater than 0, nor less than 0

A number is such that it is as much greater than 84 as it is less than 108. Find the number.

A number is such that it is as much greater than 84 as it is less than 108. Find the number.

In a single throw of a die, find the probability of getting a number : (i) greater than 2 (ii) less than or equal to 2 (iii) not greater than 2.

The probability of a certain event is (a)0 (b) 1 (c) greater than 1 (d) less than 0

One of the roots of ax^(2) + bx + c = 0 is greater than 2 and the other is less than -1. If the roots of cx^(2) + bx + a = 0 are alpha and beta , then

The value of int_0^1 e^(x^2)dx is (A) less than e (B) greater than 1 (C) less than e but greater than 1 (D) all of these

If in a /_\ABC, a^2cos^2A=b^2+c^2, then angle A is (A) less than 45^0 (B) more than 45^0 and less than 90^0 (C) right angled (D) obtuse angle

Compute the median for each of the following data: (i) Marks No. of students (ii) Marks No. of students Less than 10 0 More than 150 0 Less then 30 10 More than 140 12 Less then 50 25 More than 130 27 Less then 70 43 More than 120 60 Less then 90 65 More than 110 105 Less then 110 87 More than 100 124 Less then 130 96 More than 90 141 Less then 150 100 More than 80 150

Show that f(x)=1/(1+x^2) is neither increasing nor decreasing on R .

Show that the function x^2-x+1 is neither increasing nor decreasing on (0,\ 1) .