Question

x2y5z is exactly divisible by 9, then the least value(x+y+z) is:
a. I
c. 2
d. 9
b. 11
53. ' (x - 1÷x) = 3, then (x power 4+1÷x power4) is
a 47
c. 83
d. 123
6. 119
54. The number of a diagonal in a polygon of 'n sides is:
d. n(n - 1)÷2
a n(n-3)÷2
b. b(n-3)÷2
n(n-1)
e.
55. The area of a rhombus is 120 cm' and one of its diagonal 24 cm, then
each sides of rhombus is:
c. 13 cm
a. 10 cm
d. 15 cm
. 12 cm
56. Which of the following Euler's formula for a polyhedron?
a. F+E=V-2
b. F+V=E+2
c. V-E=F+2
d. E+V=F-2
​

Answer 1

52)1 is the answer.

53)83 is the answer.

54)n(n-3)÷2 is the answer.

55)10 is the answer.

56)F+V=E+2

mark it as a brainlist pls❤sania