The median of the following data is 28.5. The total frequency is 60. The values of x and y, respectively, are
| Age in years | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | Total |
| No. of patients | 5 | x | 20 | 15 | y | 5 | 60 |
The perimeter of a regular pentagon whose each side is 2a cm long is:
A group of numbers/symbols is coded using letters as per the table given below and the conditions which follow. The correct combination of codes following
| Number/symbol | 1 | & | 2 | 9 | * | 7 | 3 | $ | 8 | 5 | 6 | 4 | @ | # |
| Code | B | F | I | K | A | V | S | U | E | Q | C | P | X | T |
Conditions:
(i) If the first element is a symbol and the second element is an even number, the first and the second elements are to be coded as F.
(ii) If both the first and the last elements are numbers, the codes for these two (the first and the last elements) are to be interchanged.
(iii) If the last element is a symbol, the element is to be coded as B.the conditions is your answer.
5 & 9 4 @ 7