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The correct answer is D
Determine the mean proportion of 40 and 19.6
In a store, there is an inventory of 4,800 caps. Black caps constitute 41(2/3) % of this total, with the rest being blue caps. The caps that have been s...
The ages of X and Y are in the proportion of 6: 5 and the total of their ages is 66. The proportion of their ages after 4 years will be:
Ratio of males to females in village ‘A’ and village ‘B’ is 4:5 and 19:20, respectively and number of females in village ‘B’ is 25% more tha...
A grandmother distributed a total of 480 gold coins between her two sons in the ratio of (x + 1) to (x – 1). The difference in the number of coins rec...
There are 70 rupees in a box which contains coins of 1 rupee, 50 paise, and 25 paise. If the number of 50 paise coins is 2 times the number of 25 paise ...
Three numbers are in ratio 6:7:9. If the sum of the squares of those three numbers is 664 then find the sum of the three numbers.
A and B started a business by investing Rs. 1980 and Rs. 3520 respectively. After 18 months, B withdrew his entire investment. At the end of 20 months f...
5 years ago ratio of the ages of the two persons A and B was 3:1. 3 years hence the ratio of their ages will be 7:3. Find the present age of B.
If 'A' = (2/5) of 'B', 'B' = (3/4) of 'C', then find the value of (A + B) :(B + C) .
