Question : A wheelbarrow is an example of

Option 1: class III lever

Option 2: pulley system

Option 3: class I lever

Option 4: class II lever

Question : Which of the following is not an example of Mass Media?

Option 1: Radio

Option 2: Door-to-door campaign

Option 3: Television

Option 4: Newspapers

Question : Directions: Which one of the given responses will be a meaningful order of the following?
1. Key  2. Door  3. Lock  4. Room

Option 1: 4, 2, 1, 3

Option 2: 1, 2, 3, 4

Option 3: 1, 3, 2, 4

Option 4: 1, 2, 4, 3

Question : In three positive numbers, the ratio of first and second is 3 : 4 and the ratio of second and third is 3 : 5. The product of first and third is 4500. What is the sum of the three numbers?

Option 1: 282

Option 2: 235

Option 3: 198

Option 4: 205

Question : The sum of three numbers is 126. If the ratio of the first to third is 3 : 7 and that of the second to third is 4 : 7, then what is the second number?

Option 1: 36

Option 2: 27

Option 3: 63

Option 4: 56