Above question

Above question

A computer company needs 25 programmers to handle systems programming jobs and 40 programmers for application programming. Of those hired, 10 will be expected to handle both types of jobs. How many programmers the company must hire ?

Let A = { a1, a2, a3 } and B = { b1, b2, b3 }. Consider the the function function f = {(a₁, b₂), (a₂, b₃), (a₃, b₁)}. Then :

Let P(n) be the statement 2 | (2n+1). Then :

The number of seven person committees consisting of 3 women and 4 men that can be formed from a group of 20 women and 30 men, is:

If-5x+19≤-11, then :

The coefficient of the middle term in the expansion of (2x - 7)^4 is :

For a natural number, let 𝜙(n) denote the number of positive integers <=n which are coprime to n. The value of 𝜙(60) is:

One root of the quadratic equation 4x²-kx-5=0 is known to 1/2 be. The value of k is:

If a vertex of a triangle is (1, 1) and the mid-points of two sides through this vertex are (-1, 2) and (3, 2), then the centroid of the triangle is

The value of tan 1º tan 3° tan 5°....tan 89° is :

Let f(x) = x². Then by mean value theorem, there exists a point c in the interval [0,2] where df/dx is equal to :

If θ is the angle between the vectors a and b, such that | axb| = | a.b |, then θ is equal to

Section of a sphere by a plane is a :

Consider a dice with the property that probability of a face with n dots showing up is proportional to n. The probability of face showing 4 dots is :

The probability of guessing the correct answer to a certain test question is x/12 If the probability of not guessing the correct answer to this question is is equal to2/3 then x=?

Let L: R2 to R2 be the linear transformation such that L (1, 1) = (1, -2), L (-1, 1) = (2, 3). Then L (-1, 5) is equal to: