Select the related word/letters/numbers from the given alternatives. CURE : DISEASE :: HEAL : ?

Robin can do a work alone in 9 days. Amit can do the same work alone in 6 days. Both of them finish the work together and they get a total Rs 2500. What isthe share (in Rs) of Robin?

What is the value of 36+729381+643

A tyre is sold at three successive discounts of 20%,30%, and 20%. What is the net discount (in percentage)

If Mohan purchase 13 articles for Rs 12 and sells all the articles at the rate of 12 articles for Rs 13, then what will be the profit percentage?

The simple interest on a sum for 20 years is 5/4 of the principal. What is the per annum rate (in percentage) of interest?

What will be the average of the first 5 positive even numbers divisible by 9?

P and Q are two alloys which are prepared by mixing tin and lead in the ratio of 12 : 5 and 4 : 3 respectively. If equal quantities of alloys are melted to form athird alloy R, then what is the ratio of tin and lead in alloy R?