Quantitative Aptitude
The table shows the production and consumption of coal of 6 different countries.
What is the value of total consumption of coal of all the 6 countries?
Country | Production | Consumption |
P | 170 | 132 |
Q | 336 | 248 |
R | 244 | 185 |
S | 330 | 245 |
T | 275 | 226 |
U | 195 | 174 |
If \(
x^{4} + \frac{1}{x^{4}} = 194
\) then what is the value of \(
x^{3} + \frac{1}{x^{3}}
\)
Simplify the given expression.
\[
(5x + 8y)\,(25x^{2} + 64y^{2} - 40xy)
\]
A civil contractor planned to build an overbridge of 3km distance in 600 days. For this purpose he employed 90 workers. After 200 days of work, it was observed that only 0.5 km of the bridge was completed. What is the number of extra workers required to complete the work in time?