P s g. Q 23 169-2 A O

If 'P' means '÷', 'Q' means '+', 'R' means 'x' and 'S' means '–', then 54 R 11 P 99 Q 23 S 14 = ?

In Figure, O P ,\ O Q ,\ O R\ a n d\ O S are four rays. Prove that /_P O Q+\ /_Q O R+\ /_S O R+\ /_P O S=360^0

If P + Q = R and P - Q = S, prove that R^2 + S^2 = 2(P^2 + Q^2)

If P + Q = R and P - Q = S, prove that R^2 + S^2 = 2(P^2 + Q^2)

In the following list of letters, how many O's are followed by Q's but not preceded by D's ? D O Q O D Q O D O D D O Q D S D Q P O Q D S S S D O Q O Q D O Q D D D O Q

For the following G.P.'s find S_n p, q, q^2 / p , q^3 / p^2 , ………...