1.
R and S are partners sharing profits in the ratio of 5 : 3. T joins the firm as a new partner. R given $${\frac{1}{4}^{{\text{th}}}}$$ of his share and S given $${\frac{2}{5}^{{\text{th}}}}$$ of his share to new partner. New profit sharing ratio of R, S and T will be

3.
Who among the following is a bear operator?

5.
Donation received for a specific purpose: