The average of four consecutive even numbers is 9. Find the largest number.
12
In a school, the ratio of boys to girls is 4:3 and the ratio of girls to teachers is 8:1. The ratio of students to teachers is ........
56:3
If the difference of two numbers is 3 and the difference of their squares is 39; then the larger number is ............
8
In a division sum, the divisor is 12 times the quotient and 5 times the remainder. If the remainder is 36, then the dividend is
2736
Arbind spends 75% of his income and saves the rest. his income is increased by 20% and he increases his expenditure by 10%. Then the increase in savings in percentage is
50%
The average of nine consecutive numbers is n. If the next two numbers are also included the new average will
increase by 1
If (a+b):(b+c):(c+a)= 6:7:8 and (a+b+c)=14, then the value of c is
6
A mixture contains alcohol and water in the ratio 4:3. If 5 litres of water is added to the mixture, the ratio becomes 4:5. The quantity of alcohol in the given mixture is
10 litres
An article was sold at a profit of 12%. If the coast price would be 10% less and selling price would be Rs.5.75% more, there would be profit of 30%. Then at what price it should be sold to make a prof
Rs. 138
If the cost price of 12 pens is equal to the selling price of 8 pens, the gain percentage is