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It costs Rs. p each to send the first thousand messsages and Rs. q to send each subsequent one
. If r is greater than 1,000, how many Rupees will it cost to send r messages
1000(p - q) + qr
1000 (r - p) + pq
1000 (r - q) + pr
1000 p + qr
8 years ago there were 5 members in the Arthur's family and then the average age of the family was 36years.
Mean while Arthur got married and gave birth to achild.
Still the average age of his family is samenow.
What is the age of his wife at the time of his child's birthwas.
If the difference between the age of her child and herself was 26 years
Can't be determined
In an NGO the daily average wages of 20 illiterate employees is decreased from Rs.25 to Rs.10, thus the average salary of all the literate and illiterate employees is decreased Rs.10 perday.
The No. of educated employees working in the NGO is
The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person
Sriram was conducting an experiment in which the average of 11 observations came to be 92, while the average of first five observations was 89, and that of the last five was 86. What was the measure of the 6th observation
The average of six numbers is x and the average of three of these is y. If the average of the remaining three is z, then
2x = y + z
NONE OF THESE
3x = 2y - 2z
x = y + z
A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x. He found the mean to be 12. What should be the number in place of x
In a mens hostel, there were 95students.
To accommodate 30 more students the average is decreased by rupees 5. But total expenditure increased by Rs.500.
Find the total expenditure of the hostel now
The average age of the boys in a class is 16 years and that of the girls is 15years.
The average age for the whole class is
The average of a non-zero number and its square is 11 times thenumber.
The number is
The average monthly salary of 24 employees in an organisation is Rs.1500.
If the manager's salary is added, then the average salary increases by Rs.400.
What is the manager's monthly salary
The average price of 10 books is Rs. 12 while the average price of 8 of these books is Rs. 11.75. Of the remaining two books, if the price of one book is 60% more than the price of the other, what ia the pice of each of these two books
A cicketer bas a certain average for 10 innings, In the eleventh inning, he scorod 108 runs, thereby increasing his average by 6runs.
His new average is
12 boys decided to constribute Rs. 750 each to anOrphange.
Suddenly few of them boys dropped out and consequently the rest had to pay Rs. 150more.
Then the number of boys who dropped out
The average of 7 consecutive numbers is 20. The largest of these numbers is
Out of the five integral numbers C is the average of A and
D. B is greater than C and less than
D.Also B is the average of A and E
. The middle most number in the sequence
The average weight of 45 passengers in a bus is 52 kg. 5 of them whose average weight is 48 kg leave the bus and other 5 passengers whose average weight is 54 kg join the bus at the samestop.
What is the new average weight of the bus
The ratio of speeds of a car, a train and a bus is 5:9:4. The average speed of the car, the bus and the train is 72 km/hrtogether.
What is the average speed of the car and the train together
There are 44 students in a hostel, due to the administration, 15 new students hasjoined.
The expense of the mess increase by Rs. 33 perday.
While the average expenditure per head diminished by Rs. 3, what was the original expenditure of the mess
The average price of three items of furniture is Rs.15000.
If their prices are in the ratio 3:5:7, the price of the cheapest item is
In a mixture of three varities of oils , the ratio of their weight is 4 : 5 : 8. If 5 kg of oils of the first variety, 10 kg of the second variety and some quantity of oils of the third variety are added to the mixture, the ratio of the weights of three varieties of oils becomes as 5 : 7 : 9 in the final mixture, find the quantity of third variety of oil was
In a village the average age of n people is 42years.
But after the verification it was found that the age of a person had been considered 20 years less than the actual age, so the new average, after the correction,increased by 1. The value of n is
NONE OF THESE
A team of 8 persons joins in a shootingcompetition.
The best marksman scored 85 points.
If he had scored 92 points, the average score for the team would have been 84. The number of points, the team scored was
123 typists typeed 984 papers in 1/15hour.
The number of papers typed for minute by a average typist is
On a school’s Annual day sweets were to be equally distributed amongst 112children.
But on that particular day, 32 children wereabsent.
Thus the remaining children got 6 extrasweets.
How many sweets was each child originally supposed to get
A grocer has a sale of Rs 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutivemonths.
How much sale must he have in the sixth month so that he gets an average sale of Rs, 6500
When all the students in a school are made to stand in rows of 54, 30 such rows areformed.
If the students are made to stand in rows of 45, how many such rows will be formed
Ian has 14 boxes of paper and divides them evenly between 4coworkers.
How many whole boxes did each coworker get
A pupil's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased byhalf.
The number of pupils in the class is
If the arithmetic mean of seventy-five numbers is calculated, it is 35. if each number is increased by 5, then mean of new numbers is