Questions:
If x is subtracted from each of 23, 39, 32 and 56, the numbers so obtained, in this order, are in proportion. What is the mean proportional between (x+ 4) and (3x + 1) ?
Options :
- 15
- 10
- 12
- 14
correct answer : c)

Questions:
If x is subtracted from each of 23, 39, 32 and 56, the numbers so obtained, in this order, are in proportion. What is the mean proportional between (x+ 4) and (3x + 1) ?
Options :
correct answer : c)
