For the following questions answer them individually
What is the length of the longest pole that can fit itself in a hall 60 feet long, 30 feet broad and 20 feet high?
A boat can travel 21 km in 3 hours going upstream. It can travel 55 km in 5 hours going downstream. What is the speed of the stream?
Two numbers are in the ratio 3 : 5. If 4 is subtracted from each of these two numbers, the new numbers then are in the ratio 4 : 7. Find the smaller of the two original numbers.
A, B and C together can complete a work in 10 days. A and B together can do the same work in 12 days. If A, B and C received ₹9,000 for doing the work together, then what was the share of C from the above amount?
What is the value of $$\frac{75}{28} \times \frac{7}{12} + \left[\frac{5}{12} + \left\{\frac{5}{7} + \left(\frac{8}{12} of \frac{36}{24} - \frac{1}{2}\right)\right\}\right]$$?
What is the value of a in the following equation?
$$34 + 16 - a \times [40 \div 5 - 3] - 15$$
A man completes his journey in 6 hours. He covers half the distance at 10 km/h and the rest at 20 km/h. The length of the journey is:
The radius of the base and the height of a closed cylinder are 14 cm and 14 cm, respectively. The total surface area of the cylinder is equal to the area of a circle. What will be the diameter of the circle? [Use $$\pi = \frac{22}{7}$$]