Q5 of 62 Page 123

What per cent of 90 is 120?

Let Z% of 90 is 120


∴ Z/100 × 90 = 120


⇒ 90 Z = 120 × 100


⇒ Z = 12000/90


⇒ Z = 400/3


⇒ Z =

More from this chapter

All 62 →
3

when expressed as a percentage, is

 4

of a number is 9. The number is

 6

What per cent of 10 kg 250 g?

 7

of