`5 1/6 -: 9/2=`

Find: 5"" 1/6div9/2

15th term of an A.P. 5, 6 1/2, 8, 9 1/2, ……….. Is

Find the common difference of the A.P. 5, 6 1/2, 8, 9 1/2 ,…………. .

(5)/(6) -: (6)/(7) xx ? - (8)/(9) -: 1 (2)/(5) -: (3)/(4) xx 3 (1)/(3) = 2(7)/(9)

Integrate the following. (i) 1/(16 - x^2) " " (ii) 1/(7 - (4x + 1)^2) " " (iii) 1/(5 - 6x - 9x^2)

21 1/9 -: [5/9 of { 3 1/(27) -(6-bar(1/3-1/6))}]

For the data 3, 5, 1, 6, 5, 9, 5, 2, 8, 6 the mean, median and mode are x, y and z respectively. Which one of the following is correct?

If   ( x + 5 )/6 - ( x + 1 )/9 = ( x + 2 )/4 , then find the value of x

Study the following Information to answer the given questions: In a certain code ‘a friend of mine’ is written as ‘4 9 1 6’, ‘mine lots of metal’ is written as ‘3 1 0 9’ and ‘a piece of metal’ is written as ‘7 1 6 3'. Which of the following may represent ‘a pleasure of mine ? 1)6 3 0 9 2)5 2 1 6 3)9 2 1 6 4)3 6 9 4 5)5 0 4 1