Question

ST. JOSEPH OF CLUNY PUBLIC SCHOOL, BLOCK-25, NEYVELI-3
TIME:
MARK
MATHEMATICS
SELF ASSESSMENT
STD X (2020-21)
CODE: M1
( 14X1
PART A
d) 16
1. A={ a, b, p) B={2,3} C ={p.q,r,s} then n[(AUC)XB] is
a) 8
b) 20
c) 12
2. If the ordered pairs (a+2, 4) and (5, 2a+B) are equal then (a,b) is
a) (2,3) b) (3,-2)
c) (2,-2)
d) (5,1)
3. If{(a, 12). (6,7)} represents an identity function then the value of a and b are respectively
a) (7.7) b) (7,12)
c) (12,7)
d) (7,7)
4. If f(x)=2x”, g(x)=_then fog is
a)
b) C)
d)
3x
5. The square root of 169x1°y®z
25x®y?z?
6. The solution of (2x-1)2 =9 is
7. Find the GCD of 21x’y, 35xy is​

Answer 1

Answer:

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