" 4.Describe the mental condition of the voyages on "4" th and "5" th Januar "

Describe the mental condition of the voyagers on 4 and 5 January

Write the condition of n^(th) order maximum in diffraction.

If the mean of 7 consecutive multiples of 3 is 18, find the 4th and 5th numbers.

The ratio of the distance through which a body falls in 4th, 5th and 6th second is starting from rest

Name the elements with which even and odd series of 4th, 5th and 6th periods begin.

The average of 10 numbers is 41. The average of first 3 numbers is 39.4 and the average of last 4 numbers is 43.5. 4^(th) number is 2 more than the 5^(th) number and 0.2 more than the 6^(th) number. What is the average of the 4^(th) and 6^(th) numbers