Question

The least whole number which when subtracted
from both the numerator and the denominator of
the fractional number 6: 7, gives a ratio less than
16:21, is

Answer 1

Answer:

3

Step-by-step explanation:

Let the number be a.

According to question: when is subracted from both,

= > (6 - a) : (7 - a) < 16 : 21

= > 21( 6 - a ) < 16( 7 - a )

= > 126 - 21a < 112 - 16a

= > 126 - 112 < 21a - 16a

= > 14 < 5a

= > 14/5 < a

= > 2.8 < a

Nearest upcoming whole number is 3.

Hence, required least whole number is 3