For the following questions answer them individually
A person travels three equal distances at the speeds of 2 km/h, 3 km/h and 4 km/h and takes a total time of 52 minutes. The total distance is:
An object moves 15 m in 2.6 min and the next 26 km at a speed of 30 km/h. Find its average speed (in m/sec) for the whole movement.
At what rate of compound interest does a sum of money become 3.375-fold in 3 years, compounding annually?
A wholesaler has 1000 kg sugar, part of which he sells at 6% profit and the rest at 12% profit. His gain is 10% on the whole. The quantity sold at 6% profit is: (consider up to two decimals)
Balvendra offers two successive discounts of 9% and 4% first and then he also provides a cash discount of Rs.268 on the sale of a CCTV camera. If the marked price of the CCTV camera is Rs.5,000, what is the final price of the CCTV camera for a customer?
Ram and Ramesh run two kilometres and Ram wins by 40 seconds. Ram and Naresh run two kilometres and Ram wins by 650 metres. When Ramesh and Naresh run the same distance, Ramesh wins by 25 seconds. Find the time taken by Ram to run two kilometres
If the volume of a solid right circular cone is v $$cm^{3}$$ and its height is h cm, then the radius of the cone is:
Aman can do a piece of work in 78 days. Ram can do this work in 39 days. Aman started the work alone. After how many days should Ram join him, so that the work is finished in 39 days?
₹936 is divided among P, Q and R in the ratio 2 : 3 : 4 instead of $$\frac{1}{2} : \frac{1}{3} : \frac{1}{4}$$ by mistake. The gain of R in the distribution is ____________.