Question
The average price of two items, 'A' and 'B,' is Rs. 960,
while the mean price of items 'B' and 'C' is Rs. 1,020. Additionally, the average price of items 'A' and 'C' is Rs. 975. Determine the price of item 'C'.Solution
ATQ,
Let the price of items ‘A’, ‘B’ and ‘C’ be Rs. ‘p’, Rs. ‘q’ and Rs. ‘r’, respectively. Total price of items ‘A’ and ‘B’ = 960 × 2 = Rs. 1,920 Or, (p + q) = 1920 So, q = 1920 – p -------- (I) Total price of items ‘B’ and ‘C’ = 1020 × 2 = Rs. 2,040 Or, (q + r) = 2040 -------- (II) On putting value of ‘q’ from equation (I) in equation (II), we have; 1920 – p + r = 2040 Or, r – p = 120 So, p = r – 120 -------- (III) Total price of ‘C’ and ‘A’ = 975 × 2 = Rs. 1,950 Or, r + p = 1950 On putting value of ‘p’ from equation (III), we have; r + r – 120 = 1950 Or, 2r = 2070 So, r = 1035 Therefore, price of items ‘r’ = Rs. 1,035 Alternate solution Let the price of article ‘A’, ‘B’ and ‘C’ be Rs. ‘p’, Rs. ‘q’ and Rs. ‘r’, respectively. p + q = 1920 q + r = 2040 r + p = 1950 So, 2(p + q + r) = 5910 Or, p + q + r = 2955 So, price of article ‘r’ = 2955 – 1920 = Rs. 1,035Â
In a certain language ‘Few places across country’, is written as ’h%c3 r@c6 c@q6 e@p7’ , then what does ‘occurs late&rsquo...
In a certain code language, FLOWERS is coded as 216 and METEORS is coded as 90. What is the code of word ‘PROPOSE’ in the same coding language?
What may be the code for “years five”?
If ‘ SMILE ’ is coded as ‘ 24 ’, ‘ FEATHER ’ is coded as ‘ 24 ’, then what is the code for ‘ JASMINE ’ in the same code language?
OXHKTJ
The code "AR" belongs to which of the following words?
In a certain code language ‘GRACE’ is written as ‘FQBBF’ and ‘STARE’ is written as ‘RSBQF’. How is ‘STUMP’ written in that code? �...
In a code language ‘rym’ means ‘outrage religious feelings’, ‘nrx’ means ‘religious information technology’ and ‘xyq’ means ‘outra...
What is the code for ‘Playing’?
If ‘BANKS’ is coded as ‘CCQOX’, then what is the code for ‘ CABLE ’?