Question

1. If 20cr =20Cr+4, then the value ofr is
as
b)7
c)6
2. Which one of the following is true?
d) 5
a) AU 0 = 0 b) An = 0 c) AU A = 0 d) An
3. The coefficient of x-10 in the expansion of (x? 10 is
a) 210
b) 220
c) 110
d)120
4. If log ax =y, then the value of loga-1 x is
a) 1-y
b)1+y
d)-y
5. If the numbers a,b,c are both in AP and GP, then which of the follo
correct.
b)a+b=c c) a=bC d) a + b c
a) a=b=c
c) y​

Answer 1

Answer:

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