Question

கல்வி அமுது
X
UNIVERSAL MAT HR. SEC. SCHOOL
UT-017AC UNIT TEST -I EXAM NO - 1
MATHEMATICS - A&C
TIME : 1.30 RELATION & FUNCTION - I
I Fill in the blanks:
MARKS : 50
10 x1 = 10
1)
If n(AxB) = 6 and A={1,3) then n (B)=.
2)
If the ordered pairs (a+2, 4) and (5, 2a+b) are equal then (a,b) is
a
3)
If f(x)=2x’ and g(x) = £ then fog is
If f:A+B is a bijective function and if n(B)=7, then n(A)=
5) A={a,b.p),B =[2,3].C={p,q,r,s) then n[(AUC x B] is......​

Answer 1

Answer:

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