What will be remainder if (13)³ is subtracted from (66)² ?

Find the next term in the series.

1329, 997, 725, 507, 337, ?

Find the value of given equations

$$\left({216\over1} \right) ^{-{2\over3}}÷\left({27\over1} \right) ^{-{4\over3}}=? $$

The length, breadth and height of a room are in the ratio 7:3:1. If the breadth and height are doubled while the length is halved, then by what percent the total area of the 4 walls of the room will be increased?

Umesh earns a simple interest of ₹1,600 on a certain sum in two years at the rate of 4% per annum. How much more interest would he have earned if he had invested the same sum at 4% interest per annum, compounded annually?

Two cars travel from city A to city B at a speed of 36 and  48 km/hr respectively. If one  car takes 3 hours lesser time  than the other car for the journey, then  the distance between City A and  City B is

Directions:  Study the bar-graph given below & answer the questions.
Pie-chart given below shows the percentage distribution of total no. of boys in six different Schools.
Total Boys in all schools together = 6400

Total student in another school H is 250% more than the boys in school B and ratio of boys to girls in school H is 1 : 2. Then find number of boys in school H?

ΔPQR is right angled at Q. If cos P = 3/5, then what is the value of cos R?