Question
There are 108 rupees in a box which contains coins of 1
rupee, 50 paise, and 25 paise. If the number of 50 paise coins is 3 times the number of 25 paise coins and 4 times that of 1 rupee, then what will be the number of 50 paise coins?Solution
 1rs         50p       25p  1.5        6            2 Total value =1.5x+6x+2x = 9.5x 9.5x=108 X =12 Number of coins of 50p = 6×12×2 =144         Â
If the median and mode of some observations is 5 and 9, respectively, then find the mean of those observations.
Between 3 and 96, three numbers are inserted to form a GP. Find the second inserted term.
What will be the mode of the following data?
13, 15, 31, 12, 27, 13, 27, 30, 27, 28 and 16
The test scores of 10 students out of a maximum of 50 are recorded as 40, 38, 42, 35, 40, 42, 36, 40, 37, and 42. Find the sum of the modes of this set ...
what is the mean of given numbers 25, 15, 12, 23, 15,
15 is divided in three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 83. Find the smallest part?
Calculate the mean of these values:
25, 30, 28, 27, 29, 26, 32, 31
Find the mode of the following data:
6,15,18,6,18,11,23,22,6,18,15,22,12
What will be the 11th term of the arithmetic progression 3, 8, 13, _____?
What is the mode of the given data?
5, 7, 9, 7, 3, 7, 5, 7, 8, 6, 7
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