Question : The average of ten numbers is 24. If each number is divided by 2, then what will be the new average?

Option 1: 12

Option 2: 6

Option 3: 20

Option 4: 5

Question : The average of 9 numbers is 47. If a number is removed, then the average becomes 48. Which number was removed?

Option 1: 39

Option 2: 42

Option 3: 45

Option 4: 40

Question : A large solid cube is melted and cast into ' N ' small solid spheres, each of radius 3 cm, and ' N + 2 ' small solid cuboids, each of dimensions 4 cm × 4 cm × 6.5 cm. If the length of each side of the large solid cube is 12 cm, then find the value of 'N'. [Use $\left.\pi=\frac{22}{7}\right]$

Option 1: 8

Option 2: 5

Option 3: 7

Option 4: 6

Question : The average of 10 numbers is 42. If each number is increased by 5, then what will be the new average?

Option 1: 42

Option 2: 47

Option 3: 92

Option 4: 57

Question : If p : q : r = 2 : 5 : 3 and r : s = 6 : 5, then what is the value of p : q : r : s?

Option 1: 4 : 12 : 7 : 3

Option 2: 4 : 10 : 6 : 5

Option 3: 6 : 5 : 8 : 10

Option 4: 8 : 12 : 7 : 8