Questions:
If x is added to each of 12, 28, 21 and 45, the number so obtained, in this order, are in proportion. What is the mean proportional between (x+3) and (4x+1) ?
Options :
- 15
- 10
- 12
- 14
correct answer : a)
Questions:
If x is added to each of 12, 28, 21 and 45, the number so obtained, in this order, are in proportion. What is the mean proportional between (x+3) and (4x+1) ?
Options :
correct answer : a)