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Let the speed of car A = 15x km/h and the speed of car B = 17x km/h. Here the time is constant. According to question, => 17x – 15x = 10 => 2x = 10 => x = 5 Distance travelled by car B = 17 × 5 = 85 km
Total population of city P and Q is 2320 and 3150 respectively. If the ratio of number of males to females in city is P and Q is 5:3 and 3:2 respectivel...
A sum of Rs.6600 is to be divided among 3 brothers, 2 sisters and 1 aunt. If each sister receives four times as much as each aunt and each brother recei...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 2 : 3 : 5 : 6. if the loss i...
The ratio of investment of A and B is 2 : 5 and that of B and C is 3 : 7. Find the investment of B if sum of investment of A, B and C is Rs. 33600.
The ratio of two numbers is 3:5. If each number is decreased by 5, the ratio becomes 5:9. Find the smaller numbers.
A sum of ₹12,000 is divided among A, B, and C in the ratio 3:4:5. If A and B donate 25% and 20% of their shares respectively to a charity, how much mo...
The ratio of the two numbers is 4:9. 140% of the first number is equal to the 70% of the second number. Find the sum of both the numbers.
Ratio of males to females in village ‘A’ and village ‘B’ is 3:4 and 5:6, respectively and number of females in village ‘B’ is 25% more than ...
6 years ago ratio of the ages of the two persons A and B was 5:2. 4 years hence the ratio of their ages will be 7:4. Find the present age of B.
The ratio of males and females in a zoo is 5:6 respectively and the percentage of children among males and the percentage of children among females are ...
