Exams

The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?

Find the total surface area (in cm2 ) of a hemisphere of diameter 42 cm.

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

The doctor removed the eye patch and asked him how he (were feeling).

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

BSE SENSEX Constitutes ____ number of companies.

If a mirror is placed on the line MN, then which is the right figure of the given image?

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., 'U' can be represented by 01, 12, etc., and 'L' can be represented by 56, 67, etc. Similarly you have to identify the set for the word 'SPARE'.

The total surface area of a hemisphere is 462 sq cm, what is its curved surface area? (Take π = 22/7)