Math Set 2

Total Questions: 30

1 - Simplify:8(11-2)-5(11-2)/3=?

A ) 1
B ) 5
C ) 9 ✅
D ) 11

3 - What does the Roman numerical"C" stand for?

A ) 10
B ) 100 ✅
C ) 1000
D ) 10,000

5 - If 15:7::x:560 then x=

A ) 1200 ✅
B ) 1300
C ) 1000
D ) 1400

8 - One kilometer is equal to how many miles?

A ) 0.85
B ) 0.5
C ) 0.62 ✅
D ) 1.6

9 - The number of elements in the power set { 1,2,3}

A ) 5
B ) 6
C ) 7
D ) 8 ✅

Explanation: Original Set: {1, 2, 3} has 3 elements (n=3).  Formula: The number of subsets in a power set is \(2^{n}\).  Calculation: \(2^{3}=2\times 2\times 2=8\).  The 8 Subsets: {}, {1}, {2}, {3}, {1, 2}, {1, 3}, {2, 3}, {1, 2, 3}

11 - When a triangle has two congruent sides, it is called triangle.

A ) Isosceles ✅
B ) Equilateral
C ) Scalene
D ) Iso Scale

17 - What is the sum of all angles of a triangle?

A ) 270 degrees
B ) 180 degrees ✅
C ) 90 degrees
D ) None of these

19 - X²> y² then possible solution is:

A ) X is greater than Y ✅
B ) Y is greater than X
C ) X and Y are equal
D ) Solution is not possible

20 - Solve the series 2,4,8,16.......

A ) 64
B ) 32 ✅
C ) 42
D ) 81

24 - What is the average of 1/2, 5/6, 3/4, 5/12?

A ) 7/2
B ) 1/9
C ) 5/8 ✅
D ) 21/5

25 - simplify (60)²=?×72

A ) 3600
B ) 3528
C ) 0.02
D ) 50 ✅

27 - Make the co-prime number

A ) 2,4
B ) 3,6
C ) 4,110
D ) 2,9 ✅

29 - Sum of the angles inside a triangle is always

A ) 360 degrees
B ) 240 degrees
C ) 180 degrees ✅
D ) 145 degrees