Practice Numbers – A company rented a machine for Rs.700/- a month. Five years later the treasurer calculated that if the company had purchased the machine and paid Rs.100/- monthly maintenance charge, the company would have saved Rs.2000/-. What was the purchase price of the machine?
Practice Numbers – If a clerk can process 80 cheques in half an hour, how many cheques can she process in a seven and one half hour day?
Practice Numbers – The number of diagonals of a polygon having 34 sides is:
Practice Numbers – A triangle has sides of lengths 10, 24 and n, where n is a positive integer. The number of values of n for which this triangle has three acute angles is:
Practice Numbers – A number is divisible by both 3 and 5, but when it is divided by 8 it gives a remainder 3. The number is:
Practice Numbers – The average weight of 6 men decreases by 3 kg when one of them weighing 80 kg is replaced by a new man . The weight of the new man is
Practice Numbers – The average of 20 numbers is Zero,Atmost Howmany numbers prsent greaterthan zero?
Practice Numbers – The average mark of 10 students is 80%. Later it was found that for one student, instead of 60%, the recorded 90%, by mistake. Now the corrected new percentage?
Practice Numbers – Average of 9 numbers is m,avg of 3 nos is n avg of rest of the nos is p,what is the equation formed?
Practice Numbers – In a cricket tournament, 16 school teams participated. A sum of Rs.8000 is to be awarded among them as prize money. If the team placed last is award Rs.275 as prize money and the award increases by the same amount for successive finishing places, how much will the team placed first receive?
Practice Numbers – In a week in July the average daily temperature of Monday to Wednesday was 27 degrees and of Tuesday to Thursday was 24 degrees.if the temperature remained constant throughout in any given day.
Practice Numbers – There were 36 students in a class and their average height was 4 feet 6 inches. At the end of the year, 4 students, with an average height of 3 feet 3.5 inches left the class. Moreover, 6 new students got admitted to this class, their average height being 4 feet 9 inches. The average height, in feet, of the students currently in the class is:
Practice Numbers – The average age of five persons in a group is 18 years. The group has an additional member, such that the new average is 25 years less than the age of the new member. What is the age(in years) of the new member?
Practice Numbers – What is the average of all the natural numbers from 31 to 50, both inclusive?
Practice Numbers – There are nine positive observations. Average of the first five observations is 9 and of the last five observations is 17. If the average of these nine observations is 13, what is the sixth observation ?