{:(2,7,4),(5,2,3),(1,?,6),(10,42,72):} | CLASS 14 | लुप्तसंख्या ज्ञात करना | REASONING | Doubtnu...

{:(5,7,8),(4,6,6),(2,3,?),(10,14,12):}

{:(14,25,42),(2,4,6),(3,3,?),(4,7,9):}

{:(5,4,9,6),(7,5,2,4),(1,3,4,5),(35,60,72,?):}

If {:[(4,-5),(3,6)]:}+2X={:[(8,-1),(-7,2)]:} , then X^(T) =

If AxxB={(1,2),(1,3),(1,6),(7,2),(7,3),(7,6)} then find sets A and B.

(1/4 xx 2/7)- ( 5/(14) xx 2/3)

6.5{2.4+(1.5+7.2)}

If f={(1,4),(2,5),(3,6)} and g={(4,8),(5,7),(6,9)} , then gof is

In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives. {:(2,7,4),(5,2,3),(1,?,6),(10,42,72):}

If |{:(x,3,6),(3,6,x),(6,x,3):}|=|{:(2,x,7),(x,7,2),(7,2,x):}|=|{:(4,5,x),(5,x,4),(x,4,5):}|=0 then x is equal to