Question

Q13 Find two rational no. between 3/5
and 3/4​

Answer 1

Answer:

Three elements P, Q, R form a Dobereiner triad. The atomic weights of P and R are 35 and 127 respectively. Find the atomic weight of Q. *

Answer 2

Step-by-step explanation:

3/5&3/4

=1/2(3/5+3/4)

=1/2×27/20

=27/40

3/5&27/40

=1/2(3/5+27/40)

=1/2×45/40

=45/80

(ans)=27/40&45/80