Higher Math 2nd Paper MCQ-Chittagong Board-2019

1. Which is the locus of $\bar{z} \bar{z}=7$, when $z=x$ - 2iy?

2. One dice is thrown -

i. the probability of getting even numbers $-\frac{1}{2}$

ii. the probability of getting numbers greater than $4=\frac{1}{3}$

iii. the probability of getting numbers less than $5=\frac{2}{3}$

Which one is correct?

3. The straight line $y=4 x+c$ touches the curve $y^{2}=32 x$. What is the value of $c$ ?

4. A projectile is projected with velocity 2 $\mathrm{m} / \mathrm{s}$ at an angle $30^{\circ}$ with the horizon. Which one is the greatest height?

5. The square of the resultant of two equal forces are two times of their product. Which one is the angle between the forces?