Select the related word/letters/numbers from the given alternatives:

FINGERS : HAND :: ? : FEET

The following pie-­chart shows the study­ time of different subjects of a student in a day . Study the pie chart and answer the following questions.

Instead of 10% , if the student spends 15% to study other subjects and the time is taken from the time scheduled to study mathematics and if he/ she used to study 20 hours per day , then the difference of time for studying mathematics per day is

The following pie-­chart shows the study­ time of different subjects of a student in a day . Study the pie chart and answer the following questions.

If the student studied 10 hours in a day , then he/ she studied mathematics for

The following pie-­chart shows the study­ time of different subjects of a student in a day . Study the pie chart and answer the following questions.

If the student studied chemistry for 3 hours , then he / she studied geography for

The following pie-­chart shows the study­ time of different subjects of a student in a day . Study the pie chart and answer the following questions.

The time spent to study history and chemistry is 4 hours 30 minutes , Then the student studied physics for

A tower is 50 meters high.Its shadow is x metres shorter when the sun's altitude is 45° than when it is 30° . The value of x in metres is

The area of the largest sphere ( in cm2) that can be drawn inside a square of side 18 cm is

If Sin 31° = xy, then the value of Sec 31° - Sin 59° is