Mathematics
The ages of A and B are in the ratio 2 : 5. After 6 years, their ages will be in the ratio 1 : 2. The present age of B is
- 20 years
- 24 years
- 30 years
- 36 years
Related Questions
What number must be added to 54 so that the resulting number is 7 times the number added?
- 6
- 7
- 8
- 9
Fill in the blanks :
(i) An equation involving one variable with highest power ……………, is called a linear equation in that variable.
(ii) The solution of an equation is also called …………… of the given equation.
(iii) The process in which we drop a term from one side of an equation and put it on the other side with sign changed is called …………… .
(iv) A linear equation can have at the most …………… solution(s).
(v) If thrice a number increased by 8 gives 23, then the number is …………… .
(vi) If x - 7 = 4, then 3x - 15 is equal to …………… .