ANSWERS

 Solution for puzzles

1.    Let us consider a simpler system first. Suppose there were only the earth and the sun. if the earth were stationary in space, the two would be drawn together by their mutual gravitational attraction. However, there more stable possibility; the sun’s gravitational force is used to maintain the earth’s orbit rather than drawing it closer.

2.    With two ears you can identify the direction from which a sound is coming. The same principle is used in direction finding equipment to locate the source of illegal radio transmissions.

With only one eye you would not be able to see objects in three dimensions, nor would you be able to estimate distances accurately.

3.    The first five girls each took an apple. The sixth girl took the basket as well as the apple in it. So an apple is in the basket.

4.    They were the same man. Grover Cleveland (1837-1908) served two terms as president of the United States, but the terms were not consecutive. He was president from 1885 to 1889 and from 1893 to 1897.

5.    The plane was parked on the runway.

6.    Kiran was born in the year 2000 B.C. So in 1985 B.C. he was 15 and in 1980 he was 20.

7.    No man threw a punch because the boxing match was between two women boxers.

8.    The flat tyre was on the man’s spare wheel he kept in the car truck. The four wheels he drove on all had inflated tyres.