For the following questions answer them individually
A man buys 13 pens for a rupee. How many pens should he sell for a rupee to earn a profit of 30 percent?
In a mixture of 180 litres, the ratio of milk and water is 5 : 1. If this ratio is to be 3 : 2, then find the quality of water to be further added.
If the third proportion of3 and x is 27 and the third proportion of 2 and y is 8, then find x : y.
The average weight of 9 boxes is 61 kg. If three boxes having an average weight of 70 kg are removed, then what will be the new average weight of the remaining boxes?
Tripti can construct a divider alone in 4 days while Rajan can construct it alone in 3 days. If they construct it together and get a payment of Rs. 14000, then what is Tripti's share?
Average marks obtained by 19 boys of a college is 48. If the highest and and lowest marks obtained are removed, then the average reduces by 4. What is the average of the highest and lowest marks obtained?
The table shows the number of candidates recruited by four companies A, B, C and D over the years. Find the ratio of number of candidates recruited by company B in 2019 to the number of candidate recruited by company D in 2020.
The bar graph shows the total production and export of computers (in thousands) by a company in three years. Find the average export by the company in the given years.
Maya bought a TV for Rs. 7980 including GST of 14%. What is the original cost of the TV without GST?