For the following questions answer them individually
The average of 50 numbers is 30. If two numbers, 35 and 40 are discarded, then the average of the remaining numbers is nearly
If a carton containing a dozen mirrors is dropped, which of the following cannot be the ratio of broken mirrors to unbroken mirrors ?
If 5 men or 9 women can do a piece of work in 19 days, then in how many days will 3 men and 6 women do the same work ?
A contractor employed 30 men to do a piece of work in 38 days. After 25 days. he employed 5 men more and the work was finished one day earlier. How many days he would have been behind, if he had not employed additional men ?
An express train travel|ed at an average speed of 100 km/hr, stopping for 3 minutes after every 75 km. How long did it take to reach its destination 600 km from the starting point ?
In what time will a train 100 metres long cross an electric pole, if its speed be 144 km/hr ?
Find the ratio in which rice at 7.20 a kg be mixed with rice at 5.70 a kg to produce a mixture worth Rs.6.30 a kg.
A can run 22.5 m in a certain time while B runs 25 m in that time. In a kilometre race B beats A by how many metres
