NDA Government Jobs Exams

If θ is the angle between the vectors 4(i-k) and kˆ+ jˆ+ iˆ , then what is (sin θ + cos θ) equal to

Read Solution (Total 0)

NDA Other Question

Which one of the following vectors is normal to the vector kˆ+ jˆ +iˆ The average marks obtained by the students in a class are 43. If the average marks obtained by 25 boys are
40 and the average marks obtained by the girl students are 48, then what is the number of girl students in the
class ?