For the following questions answer them individually
A bus covered 60 km at a speed of 15 km/h, 100 km at a speed of 25 km/h and 20 km at a speed of 5 km/h. What is its average speed during the entire journey (in m/sec)?
Simplify expression $$2 \div \frac{5}{7}$$ of $$(7 + 9 \times 2) + [\frac{15}{6} \div \frac{5}{18} - \frac{24}{12}]$$.
P, Q and R can complete a task in 20, 30, and 60 days, respectively. How many days will it take to finish the work if P is helped by Q and R every third day?
There are only two candidates in an election. A person got 40 percent votes and lost by 50 votes. Assuming that there were no invalid votes, the total number of votes are :
In a town there are 5500 people who can vote in an election. If the number of male voters increases by 11% and female voters increases by 20%, then the number of voters becomes 6330. Find the initial number of male and female voters, respectively, in the town.
A thief started running at a speed of 12 m/s, after running for 10 sec a policeman started running to catch the thief in the same direction at a speed of 14.5 m/s. What is the time taken by the policeman to catch the thief?
Average score of 11 players of a cricket team in a one day match is 32. The runs scored by the ten players are 11, 51, 2, 96, 21, 33, 0, 32, 9 and 14. What is the score of 11th player?
If a sum of ₹1,00,000 is to be paid back in two equal annual instalments at $$2\frac{3}{4}$$ percent compound interest per annum in case of annual compounding, the what is the value of each instalment? (Rounded off to nearest integral value)