For the following questions answer them individually
Instead of dividing Rs.117 among P, Q and R in the ratio 1/2 : 1/3 : 1/4, it was wrongly divided in the ratio 2 : 3 : 4. Who gains the most in this distribution and how much do he gains?
In this question, two statements are given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.
Statements:
1) 'P' is the brother of 'Q'.
2) 'R' is the brother of 'P'.
Conclusions:
I. 'Q' is a girl.
II. 'Q' is a boy.
The reaction in which two compound exchange their ions to form two new compounds is called-