Question

Remainder when (n-1)! is divided by n is -1 then n is a:
(a) even number (b) odd number
(c) prime number
(d) composite number
16
What is the unit digit of (12)” – (13)" – (17)
(b) 2
(d) 4
(a) 1
(c) 3
B
D
17.
In SABC. _A = 90° and AD I BC. If
AB
BC
= 2 find the value of
BD
(b) 5
(d) 7
C
(a) 4
(c) 6
2 find
18.
AB
BC
In the figure ADBC is an equilateral triangle and
AB
(a) 7
(b) 8
(c) 9
(d) 10
B
find the value of tan 2A, where A and Blie
19.
if sin( A - B) = = cos(A+B) =
29
between 0 &
+
(a) 7
(d) 20
(c) 17
(b) 10
20
tan 70-tan 20
Find the value of
tan 50​

Answer 1

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