Select the quotient that is less than 1?

a) 24.61 ÷ 26.44

b) 0.856 ÷ 0.998

c) 1.564 ÷ 1.455

If the divisor is bigger than the dividend, then the quotient will be less than 1.

Only 0.998 > 0.856

So choice a and b are correct