Topic: SETS & RELATIONS

Q: If A={1,2,3} B={3,4} , C={4,5,6}, then (A×B)Π(B×C) is equal to -

(A) {1,4}

(B) {3,4}

(C) {(1,4),(3,4}

(D) none of these

*Π=intersect

**My answer {(3,4)}

Given that (1+5x)⁴ = 1 + Px + Qx² + Rx³ +..... Find the values of P - 2Q + 3R

9 men and 15 boys working 10 hours a day can make 12 pillars in 42 days, in how many days will 12 men and 22 boys working 8 hours a day can make pillars 4 times the previous number?

In the given figure, PQ is a tangent at a point C to a circle with centre O. If AB is a diameter, find angle PCA + angle BCQ? 

for any two sets A and B (A-B)U(B-A)U (A intersection B)

If someone has got 150 out of 200 marks in term 1 exam and 160 out of 200 marks in term 2 exam then what is the percentage in  30:70