Question : Directions: By interchanging two numbers the equation will be correct.
3 × 9 – 4 ÷ 2 + 6 = 28

Option 1: 9 and 2

Option 2: 6 and 4

Option 3: 3 and 6

Option 4: 9 and 6

Question : If the third proportion of 3 and $x$ is 27 and the third proportion of 2 and $y$ is 8, then find $x : y$.

Option 1: 7 : 9

Option 2: 4 : 5

Option 3: 3 : 7

Option 4: 9 : 4

Question : The first, third and fourth terms of a proportion are 8, 16, and 6 respectively. What is the second term?

Option 1: 3

Option 2: 6

Option 3: 8

Option 4: 12

Question : Of the three numbers, the first is twice the second, and the second is twice the third. The average of the reciprocal of the numbers is $\frac{7}{12}$. The numbers are:

Option 1: 20, 10 and 5

Option 2: 4, 2 and 1

Option 3: 36, 18 and 9

Option 4: 16, 8 and 4

Question : Directions: By interchanging which two numbers the equation will be correct.
9 × 3 ÷ 6 + 4 – 8 = 1

Option 1: 8 and 9

Option 2: 3 and 6

Option 3: 3 and 4

Option 4: 6 and 8