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Mathematics
Simplify: (m¹?? n?²)³???
A
m¹?? n????
B
m²?? n????
C
m³?? n?²??
D
None of these
Correct Answer
A
Mathematics
If y is inversely proportional to x. y is 10 when x is 2. Find y when x is 5?
A
3
B
4
C
5
D
None of these
Correct Answer
B
Mathematics
If the sum of roots of a quadratic equation is -2 and the product is 3, find the equation?
A
x² + 2x + 3 = 0
B
x² - 2x + 3 = 0
C
x² + 2x - 3 = 0
D
None of these
Correct Answer
A
Mathematics
If a rectangle’s length is 6 cm greater than its width and its perimeter is 48 cm, find its width?
A
9
B
10
C
11
D
None of these
Correct Answer
A
Mathematics
Complete the sequence: 2, 6, 18, ____, 486. Find the 4th term from the last?
A
18
B
9
C
27
D
None of these
Correct Answer
A
Mathematics
(-1)³?? ?
A
1
B
2
C
3
D
None of these
Correct Answer
A
Mathematics
A number divided by 4 and 9 leaves a remainder of 3. If the number is 39, what is the calculation?
A
39 ÷ 4 = 9 R3, 39 ÷ 9 = 3 R6
B
39 ÷ 4 = 9 R3, 39 ÷ 9 = 4 R3
C
39 ÷ 4 = 8 R7, 39 ÷ 9 = 4 R3
D
None of these
Correct Answer
B
Mathematics
If x = 5 and y = 2, then x + y is equal to?
A
7
B
6
C
5
D
None of these
Correct Answer
A
Mathematics
Find the perimeter of a rectangle where height is 6 more than the width?
A
2w + 6
B
2w + 12
C
4w + 12
D
None of these
Correct Answer
C
Mathematics
Simplify the expression: 3x² - 4?x + xy + ?25x + 7x²?
A
12x² + xy + ?x
B
14x² + xy + ?x
C
10x² + xy + ?x
D
None of these
Correct Answer
C