Quantitative Aptitude
If the mean of the following data is 9,then find the value of k.
11, (k-2),7 (k-1), 11, 16, 12, 15, (k-1), 13
A shopkeeper marks every item available in this shop at 20% higher than the actual cost price.He offers a discount of 10% on every item.If an item is sold for ₹5,400, find his profit percentage.
Three numbers are in the ratio \(\frac{4}{9} : \frac{2}{3} : \frac{3}{4}\) . The difference between the greatest and the smallest numbers is 33. Find the greatest number.
The simplifiled value of \(6-\left[\left(\frac{20}{24}\div\frac12\right)+\frac{48}{56}-\frac67\ \text{ of }\ \frac{6}{10}-7\right]\) is:
A shopkeeper sold some bedsheets of one veriety for ₹12,000 for 20% profit, and some bedsheets of another variety for ₹10,350 for 15% profit. What was his overall profit on the sale of these bedsheets?
A pool has 3 taps.The first tap takes 3 days, The second tap takes 2 days, and the third tap takes 18 hours, to fill the pool. All the three taps are opened together. After 8 hours, the second tap is closed. The total time to fill the pool completely will be:
\(\frac{128}{11}\text{ hours}\)
12 hours
\(\frac{144}{13}\text{ hours}\)
4 hours
A man cycling at a uniform speed of 10 km/h crosses a bridge in 90 seconds.The length of the bridge is: