Prashant's monthly income is 30% more than that of Vimal. Vimal's monthly income is 20% less than that of Abhishek. If half of the value of the difference between the monthly income of Prashant and Abhishek is Rs.1800, what is the monthly income of Vimal? 

A sum of money is invested at 20 % compound interest (compounded annually). It would fetch 723 more if interest is compound half-yearly. The sum is –

The Ajmer express can move at 45 km./hr. without its rake and the speed is diminished by a constant that varies as the square root of the number of wagons attached. If it is known that with 9 wagons, the speed is 30 km./hr., what is the greatest number of wagons with which the train can just move?

A bike is sold for ₹87,500 by allowing a discount of 44% on its marked price. The marked price (in ₹) of the bike is: 

A and B started a business with their investments in the ratio 7 : 11. After four months, C joined them with an investment which is Rs.4,000 more than A's investment and he is the working partner who earns a monthly salary of Rs.1,200. The share of 'C' in the total profit of Rs.65,600 is Rs.22,400. What is the share of A?

The greatest number that divides 411, 684, 821 and leaves 3, 4 and 5 as remainders, respectively, is 

Study the following graph and answer the question that follow.
What is the respective ratio between the number of candidates who have failed from institute B and the number of candidates who have appeared from institute F?

The monthly salaries of A, B and C are in the ratio 2 : 3 : 5. If C's monthly salary is ₹ 12,000 more than that of A, then B's annual salary is