What is the difference between “Have to” & “Have got to”?

A sum of ₹2200 is invested at two different at two rates of interest. The difference between the interests got after 4 years is ₹202.40. What is the difference between the rates of interest?

Two waves having intensity I and 9I produce interference . If the resultant intensity at a point is 7 I , what is the phase difference between the two waves ?

Two A.Ps have the same common difference. The difference between their 100th terms is 111222333 .What is the difference between their Millionth terms?

Two AP's have the same common difference . The first term of the AP's are 39 and 58 respectively . What is the difference between their 16^(th) terms ?

Two A.P .s have the same common difference . The difference between their 100^(th) term is 100, what is the difference between their 1000^(th) terms ?

Two APs have the same common difference. The difference between their 100^(th) terms is 100, what is the difference between their 1000^(th) terms?

What will be the difference between total surface area and curved surface area of a hemisphere having 2 cm diameter?

Breakup -up of students having perference for each subject What is the difference (in Rs. Lakhs ) between the average salary and the lowest salary?

A sound wave having a frequency of 500 Hz travels with a velocity of 360 m/s. What is the distance between two particles on this wave, who have a phase difference of 60^(@) ?