If a/b = 2/3 and b/c = 3/4, find (a+b)/(b+c).

Find the wrong number in the sequence:

6, 13, 18, 25, 30, 37, 40

Find the next element in the sequence: 288, 323, 360, 399, ?

Choose the word that means a cure of all diseases:

 The present worth of a sum due sometime hence is Rs. 576 and the banker's gain is Rs. 16. The true discount is: 

Pointing to an old lady, Jwala said, "Her granddaughter is the only daughter of my brother." How is the old lady related to Jwala?

If the marks of student A are 15% less than the marks of student B, by what percentage will the marks of student B be greater than the marks of student A?

In a mixture of milk and water, the proportion of milk by weight was 80%. If, in a 180 gm mixture, 36 grams of pure milk is added, what would be the percentage of milk in the final mixture?

 Sohan started a business with a capital of Rs. 80000. After 6 months Mohan joined as a partner by investing Rs. 65000. After one year they earned total profit Rs. 20000. What is share of Sohan in the profit?