Shankar took a loan of Rs. 25,000 for purchasing a machine. How much amount will he repay after 1 year 6 months at annual rate of 12%, when interest is accumulated annually? 

Denominator of a rational number exceeds its numerator by 8. If 17 is added to the numerator and 1 is subtracted from denominator we get the rational number 3/2 then the rational number is

The simple interest on a sum  of money is $$8\over 25$$ of the sum. If the number of years is numerically half the rate percent per annum, then the rate percent per annum is 

A, B and C entered into a partnership with investment in the ratio 2 : 3 : 4. After one year A doubled his investment and C withdrew half of his amount. After one more year, B doubled his investment. At the end of three years, they earned a profit of Rs.90000. find the share of A in the profit.

A, B and C start running around a circular field having circumference 144 metre at the same time from the same point. Speeds of A, B and C are 6 m/minute, 8 m/minute and 12 m/minute. Find after how much time, they will meet again at the same point for the first time.

A sum of money is sufficient to pay A’ s wages for 21 days and B’s wages for 28 days. The same money is sufficient to pay the wages of both for:

If the arithmetic mean of 6, 8, 10. x, 7 is 8.the value of x will be

Sumitra has an average of 56% on her first 7 examinations. How much should she make on her eighth examination to obtain an average of 60% on 8 examinations?