Suppose a beam of light of average wavelength 600 nm is incident on a glass prism from air, and on entering into the prism, it splits into different colours. One of the colours has wavelength 380 nm. The refractive index of the medium for this particular wavelength is:
Two statements are given below, followed by four conclusions given in the options. Find out which conclusion is true based on the given statements.
Statement: S = M > Z > X, A > B = M
Study the graph and answer the question that follows. The following bar chart shows the sales volume of Philips bulbs (in thousand) from five different electric shops in a city during two years 2017 and 2018.
What is the average sales volume of Philips bulbs (in numbers) from all the shops for the year 2017?
Refer to the following number and symbol series and answer the question.
Note: The numbers are to be considered as a whole and should not be split into its constituent digits.
Series:
25 @ 36 # 29 37 % 14 – 7
Question:
How many symbols have a prime number as an immediate neighbour on either of its sides?
How many such pairs of letters are there in the word DANCER (in both forward and backward directions) which have as many letters between them as there are in the English alphabetical order?