Question : Choose the incorrectly spelt word.

Option 1: Stone

Option 2: Minyed

Option 3: punch

Option 4: crunch

Question : A person having AB-group of blood can donate blood to a person having

Option 1: A-group

Option 2: B-group

Option 3: AB-group

Option 4: O-group

Question : $\cos^4 A-\sin^4 A$ is equal to:

Option 1: $2 \cos^2 A+1$

Option 2: $1-2 \sin ^2 A$

Option 3: $2 \sin^2 A-1$

Option 4: $-\left(2 \sin^2 A+1\right)$

Question : According to WHO, If a person’s BMI is below 18.5 he/she is classified as __________

Option 1: mentally unfit

Option 2: underweight

Option 3: blind

Option 4: healthy

Question : If $\sin A+\sin ^2 A=1$, then the value of the expression $\left(\cos ^2 A+\cos ^4 A\right)$ is

Option 1: $\frac{3}{2}$

Option 2: $1$

Option 3: $2$

Option 4: $\frac{1}{2}$