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Let the original number of faculties in Physics and Biology be 2x and 5x respectively According to the question, => (2x + 105)/(5x + 56) = 3/4 => 15x + 168 = 8x + 420 => x = 36 Original number of faculties = 2x + 5x = 7x = 7 × 36 = 252
A bag contains coins of Rs 1, 50p, and 25p and the ratio of the number of coins is 6:15:16. If the total value of all the coins is Rs 1050 then what wil...
Marks scored by A and B in a test are in the ratio 13:5 respectively. If B had scored 5 more marks, then marks scored by A would be 30% more than that o...
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...
Marks scored by A and B in a test are in the ratio 13:6 respectively. If B had scored 4 more marks, then marks scored by A would be 30% more than that o...
The ratio of number of boys to number of girls of a class was 2:5. If 4 girls were absent, the ratio becomes 3:7. Find total number of students in the c...
P, Q and R together started a business. Six times the investment of P equals eight times the investment of Q and the capital of Q is twice that of R. Fi...
Marks scored by A and B in a test are in the ratio 15:8 respectively. If B had scored 9 more marks, then marks scored by A would be 20% more than that ...
The ratio of the two numbers is 5:12. 140% of the first number is equal to the 80% of the second number. Find the sum of both the numbers.
