यदि `I=3/5-:5/6, II =3-:[(4-:5)-:6], III=[3-: (4-:5)]-:6,IV=3-:4(5-:6)` तो

If I=3/4+5/6, I I=3-:[(4-:5)-:6], I I I=[3-:(4-:5)]-:6 , I V=3-:4-:(5-:6) , then (a) I and II are equal (b) I and III are equal (c) I and IV are equal (d) All are equal

4-(5-6-:3)

If A = (3)/(4)div (5)/(6) , B = 3 div[ ( 4 div 5) div 6], C = [3 div (4 div5) ] div6 and D =3 div 4 (5 div 6) , then

Evaluate : a. 6^(3)-:6^(3) b. 5^(4)-:5^(4) c. (-3)^(5)-:(-3)^(5) d. ((3)/(5))^(4)-:((3)/(5))^(4)

Find each of the following products: i 3xx4xx(-5) ii 2xx(-5)xx(-6) iii (-5)xx(-8)xx(-3) iv (-6)xx6xx(-10) v 7xx(-8)xx3 vi (-7)xx(-3)xx4

|{:(2,3,4),(3,4,5),(4,5,6):}|=0

If |{:(5, -3),(6, -a):}| =4 , then 5a-4 =_____.

Evaluate: (i) 2/(-3) + -4/9 , (ii) =1/2 + -3/4 , (iii) 7/-9 + -5/6 (iv) 2 + -3/4 , (v) 3 + -5/6 , (vi) -4 + 2/3