If P={Factors of 48 } and Q={Factiors of 60 } then find `n[(P-Q) mu (Q-P)]`

If p= {Factors of 6 } and Q={Factors of 12 } then, n(P cup Q) _____.

If P = {factors of 36} and Q = {factors of 48}, find : (i) P cup Q , (ii) P cap Q , (iii) Q - P , (iv) P' cap Q

Let P = { x: x is a factor of 18 } and Q = { x : x is a factor of 24}. Find : (a) P uu Q (b) P nn Q

If P and Q are subsets of mu , then P - Q =

If P = -15 and Q = 5 find (P-Q) ÷ (P+Q).

If P {x : x is a letter in the word CHANDIGARH } and Q = {x : x is a letter in the word JAMNAGAR }, then find n(P) , n(Q) n(P cup Q) and n (P cap Q)