The greatest common factor of two co-prime numbers will be

If the circumradius of an equilateral triangle be 10 cm, then the measure of its in-radius is

A started a business with a certain capital. After 3 months A left the business and B joins the business and remains in business. If the ratio of the profit at the end of the year is 5: 6 and the initial investment of A is Rs. 6000, then the investment of B is

If A: B=3: 4, B:C =2:3 then what is the value of A +B: B+C: C+A?

The ratio of ages of Jai and Joy is 5:2. The sum of their ages is 63. After 9 years what will be the ratio of their ages?

If 35% of a number is subtracted from the second number the second number reduces to its four–fifths. What is the ratio the first number to the second number?

For an equilateral triangle, the ratio of the in-radius and the outer- radius is

A sum of money at simple interest amounts to ₹ 1,012 in $$2{1\over2}\%$$ years and to ₹ 1,067.20 in 4 years. The rate of interest per annum is: