Two identical resistors of 20 ohm each are connected in parallel. This combination, in turn, is connected to a 10 ohm resister. The equivalent resistance of the combination will be
The bar graph shows average marks scored in a 100 marks Maths exam by students of 7 divisions of Standard X. Study the diagram and answer the following questions.
Average marks of division C were lesser than that of division E by _________
In the following square represents Doctors, triangle represents Artists, circle represents Weight-lifters and rectangle represents Russians. Which set of letters represents Russians who are not Doctors?