Q1. The ratio between two numbers is 3:4. If their L.C.M is 600, then the numbers are:
Q2. A man sold two commodities for Rs.99 each. On one he gains 10% and the other he loses 10%. Find his gain or loss percent in the whole transaction.
Q3. A 150 metres long train takes 20 seconds to cross a 450 metres long platform. The speed of the train in kilometres per minute is
Q4. 1/3 of Samir's money is equal to 1/2 of Rahul's money. If both of them together have Rs.500, what is the difference between their amounts?
Q5. In how many years, a sum will be double of it at the rate of 10% per annum?
Q6. If A's salary is 15% more than that of B, then how many percent is B's salary less than that of A?
Q7. The ration between two numbers is 3:4. If each number is increased by 6, the ratio becomes 4:5. The difference between the numbers is:
Q8. If 3a = 4b and 7b = 8c, find a:b:c ?
Q9. Successive discount of 10% and 10% are equivalent to a single discount of:
Q10. Two numbers are in the ratio 2:9. If 10 be added to each, they are in the ratio of 3:10. The numbers are