For the following questions answer them individually
Twenty persons take 15 days to complete a certain work, working 8 hours a day. To complete the same work in 4 days, the number of hours a day 60 persons should work, is:
Study the following graph and answer the question that follows.
In which month is the actual production of ACs 20% more than the target production?
Two trains of the same length are running on parallel tracks in the same direction at 44 km/h and 32 km/h. The faster train passes the other train in 72 seconds. What is the length ( in m) of each train?
The area of the curved surface of a right circular cylinder is 19.5 $$m^{2}$$ and its volume is 39 $$m^{3}$$. What is the radius (in m) of its base?
An aeroplane covers a certain distance at a speed of 190 km/b in 7 hours. To cover the same distance in $$4\frac{3}{4}$$ hours, it must travel at a speed (in km/h) of:
The value of $$\frac{7}{10}\div\frac{7}{5}$$ of $$\left[\frac{21}{10}+\frac{13}{5}\right]+\left[\frac{1}{10}\times\frac{10}{47}-\frac{6}{47}\right]$$ is:
In an examination, the ratio of the number of candidates who passed to those who failed was 5 : 2. If the number of failed candidates had been 14 more, then the ratio of the number of passed candidates to those who failed would have been 4 : 3. The number of candidates who appeared in the examination was:
Two circles of radii 10 cm and 12 cm intersect each other and the length of their common chord is 16 cm. What is the distance (in cm) between their centres?
Study the following graph and answer the question that follows.
The ratio of the actual production of AC's in March and April to that of the combined target production of AC's in January and April, is:
If x : y : z = 1 : 2 : 3, what is the value of $$\left(\frac{x^{2}+2y^{2}+z^{2}}{3x^{2}-2y^{2}+4z^{2}}\right)$$