Question

1
d) 12
1
1
1
d) 24a4b4
11
d) - 6
[
]
d) 6xy
dy2 and 3
15. If a + b + c = 50 and ab + bc + ca = 47 then a + b + c =
a) 10
b) 144
c) 0
16. The L.C.M of 4a b, 6a²b- and 3ab is
a) 24ab
b) 12a-b2
c) 12ab
17. Ifp = 2, q=-1, r=0 then the value of p (q-r) + q* (r-p) + (p-9)
a)-4
b)-2
c) 6
18. The H.C.F of 6xy, 3x2, 6x is
a) 3x
b) 3x2
c) 6x
19. The sum of the cubes of three successive natural numbers is divisible by
a) 3
b) 2
c) 4
20. Number of possible digits for k such that 1324k2 is divisible by 4 is
a 1
b) 5
2T. The sum ofeven numbers between 1 and 25 is
a) 168
b) 158
c) 156
22. Ifd (N) represents number of divisors of N. Then d (d (28)) = _
a) 7
c) 4
23. The H.C.F of 204, 1190, 1445 is
a) 18
b) 17
c) 23
24. The number of composite numbers less than 25 is _
a) 8
b) 14
c) 13
[
]
c) 7
d) 3
[
]
d) 162
[
]
b) 2
d) 8
[
]
d) 16
[
1
d) 15​

Answer 1

Answer:

sorry I can't answer this question