Select the number from among the given options that can replace the question mark (?) in the following series.
12, 10, 11.5, 10.5, 11, 11, 10.5, 11.5, 10, ?
Select the number from among the given options that can replace the question mark (?) in the following series.
1.6, 2.3, 3, 3.7, 4.4, 5.1, 5.8, 6.5, ?, 7.9, 8.6
If the numerator of a fraction be increased by 10% and its denominator be reduced by 5%, then the fraction becomes \( \frac{4}{5} \) Find the original fraction.
\(\frac{22}{55}\)
\(\frac{38}{55}\)
\(\frac{17}{25}\)
\(\frac{19}{25}\)
Study the Venn diagram given below and answer the question that follows.
How many hosteller sportspersons are NOT males but rank holders?
Three pipes, A, B and C can fill a tank in 5 hours, 8 hours and 12 hours, respectively. If all the pipes are opened at the same time, then the time taken to fill the tank is:
4 \( \frac{22}{49} \) hours
2 \( \frac{22}{49} \) hours
5 \( \frac{22}{49} \) hours
3 \( \frac{22}{49} \) hours
Study the graph and answer the question.
Total expenditure of all three companies together in the year 2018 was what percentage of the total expenditure of company B over all the years together?