For the following questions answer them individually
The following bar graph shows the number of males, number of females and total population of four different village.
Find the total number of children in the four village.
Total population = Number of Males + Number of Females + Number of children.
X and Y together can do a piece of work in 30 days. Z alone can do it in 60 days. If they worked together, then in how many days they can finish the work?
A person sold an article at a loss of 4%. Had he sold it at a gain of 1%, he would have received Rs 42.5 more. To gain 18%, what must be selling price?
Find the difference between compound interest and simple interest for 2 years on a sum of Rs. 1100 at a rate of 11% per annum.
If 750 is divided into two parts such that the ratio of one to the other is in the ratio 8 : 7, then find the smallest number.
A sum of Rs. 11500 amounts to Rs. 12880 in 2 years at the rate of simple interest. What is the rate of interest.
The speed of a boat in still water is 44 km/hr and the speed of a stream is 26 km/hr. Find the upstream speed of boat.
The price fo sugar is increased by 40%. By what percentage must one cut down the consumption of sugar so that no extra amount has to be incurred on sugar?