What is the ratio between the fourth proportional of 3, 4, 9 and the mean proportional between 2 and 98 ?
Two numbers are in the ratio 7 : 5. On diminishing each of them by 40, the ratio becomes 27 : 17. The difference between the numbers is:
A earns ₹640 per day and works for 8 hours. B earns ₹360 per day and works for 6 hours. The ratio of per day wages of A to that of B is:
What is the ratio of the mean proportional between 14.4 and 3.6 and the third proportional of 5 and 4?
A bag contains coins of Rs. 1.50 paise, and 25 paise in the ratio 2 : 3 : 5. If the total value of these coins is Rs. 228, then the number of 50 paise coins in that bag was
The length of two parallel chords of a circle of radius 5 cm are 6 cm and 8 cm in the same side of the centre. The distance between them is
A can do half of a piece of work in 1 day, whereas B can do full. B can do half the work as C in 1 day. The ratio of their efficiencies of work
The sum of three numbers is 79. If the ratio of the first number to the second number is 4 : 7 and that of the second number to the third number is 4 : 5, then the second number is:
If 2145 : x :: 3003 : 42, then the value of y so that x : 2508 :: y : 11704, is:
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