one person see saw

Force Work Power Energy and Machines..

Paul saw a grasshopper and estimated its length as 3 in. What is its length in ft? => 1 4 or 1 6 or 2 4 or 1 5..

Which one of these is a reasonable unit to measure the height of a person? => meter or gram or kilometer or liter..

Sam saw a house and built a model similar to the house. The height and width of the model are in the ratio of 1 : 3. If the width of the model is 9 feet, then what is the height of the model? => 2 feet or 4 feet or 5 feet or 3 feet..

Which measuring tool would you use to find the weight of a person? => both Figure 1 and Figure 2 or Figure 2 or Figure 1 or I don′t know...

Two persons started a business with an initial capital of $6000. One of them contributed 30% of the capital. Find the amount contributed by the second person. => $4200 or $4100 or $4300 or None of the above..

On an average, a person blinks his eyes 4000 times a day. How many times would a person blink his eyes in a year? => 1,461,000 or 1,460,000 or 146,000 or 1,462,000..

A child saw a tall building of height 5000 ft with binoculars and was surprised to see it as 50 in. in his binoculars. What scale in the binoculars could give such projection? => 1 120 or 1 12 or 1 12000 or 1 1200..

In a large department store, there are 5 managers, 10 departmental heads, 20 clerks and 15 stock persons. If a person is selected at random, then find the probability that the person is either a manager or a clerk. => 1 2 or 2 5 or 30 50 or 1 10..

Which measuring tool would you use to find the height of a person? => both Figure 1 and Figure 2 or Figure 2 or Figure 1 or None of these..