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6 children and 2 men complete a certain piece of work in 6 days. Each child takes twice the time taken by a man to finish the work. In how many days will 5 men finish the same work?
6 men or 10 women can reap a field in 15 days, then the number of days that 12 men and 5 women will take to reap the same field is :
6 years ago , the ratio of the ages of Kunal and Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sagars age at present ?
60 kg of a certain variety of rice at Rs 32 per kg is mixed with 48 kg of another variety of rice and the mixture is sold at the average price of Rs 28 per kg. If there be no profit or loss due to the new sale price, then the price of the second variety of rice is
600 students took the test on Physics and chemistry. 35% students failed in Physics and 45% students failed in chemistry and 40% of those who passed in chemistry also passed in Physics, then how many students failed in both :
64329 is divided by a certain number. While dividing, the numbers, 175, 114 and 213 appear as three successive remainders. The divisor is
66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:
7 is added to a certain number, the sum is multiplied by 5, the product is divided by 9 and 3 is Subtracted from the quotient. The remainder left is 12. What is the number?
7^6n- 6^6n, where n is an integer >0, is divisible by
72 % of the students of a certain class took Biology and 44% took Mathematics. If each students took at least one of Biology or Mathematics and 40 students took both of these subjects, the total number of the student in the class is
