In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?
In a row of boys , Srinath is 7th from the left and venkat is 12th from the right . if they interchange their position , srinath become 22nd from the left. How many boys there in the row ?
In a school having roll strength 286, the ratio of boys and girls is 8 : 5. If 22 more girls get admitted into the school, the ratio of boys and girls becomes
In a school, ratio of teacher and students is 4:17. If the total number of students is 3400, find the number of teachers in the school.
In a School, the ratio of the number of boys to girls is 6: 7. If there are 140 girls, the total number of students in the college is:
In a school, there are 100 students. 60% of the students are boys, 40% of whom play hockey and the girls dont play hockey, 75% of girls play badminton. There are only two games to be played. The number of student who dont play any game is:
In a set of three numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?
In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:
In a statistical investigation of 1000 families of a city, it was found that 60 families had neither a radio nor a TV. 790 families had a radio and 210 families had a TV. How many families in the sample have both?
In a steam running at 2 km/h, a motorboat goes 10 km upstream and back again to the starting point in 55 min. Find the speed of the motorboat in still water
