For the following questions answer them individually
The sum of three numbers is 126. If the ratio of the first to third is 3 : 7 and that of second to third is 4 : 7, then what is the second number?
How many solid spherical balls each of 33 cm radius can be made out of a solid spherical ball of radius 66 cm?
The salaries of Kabir and Vicky are in the ratio 5 : 2. If the increments of 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?
A truck travels 40 km in first hour and 50 km in second hour. What is the average speed of truck?
Meena complete a journey in 33 hours. She travels one-fourth distance of the journey at the speed of 60 km/hr and remaining distance at 40 km/hr. What is the total journey in km?
Two successive price increased of 15% and 40% of an article are equivalent to a single price increased of:
P, Q and R alone can complete a piece of work in 30 hours. 10 hours and 15 hours respectively. In how much time they will finish the work, if they worked together?
A sum becomes Rs. 14,400 in 3 years and Rs. 15,500 in 4 years at simple interest. Find the sum.
