Of the three numbers, second is twice the first and is also thrice the third.
If the average of three numbers is 44, the largest number is
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Qn #2026
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Qn #1871
If A1 = {3}, A2 = {5, 7, 9}, A3 = {11, 13, 15, 17, 19}, A4 = {21, 23, 25, 27, 29, 31, 33} and so on, what is the average of the numbers of the set A20?
Qn #1768
The average age of husband and wife was 22 years when they were married five years back. What is the present average age of the family if they have a three year old child?
Qn #1707
In a college of $300$ students, every student reads $5$ newspapers and every newspaper is read by $60$ students. The number of newspapers is
Qn #1699
Qn #1574
In a certain school, the number of students in each section was 24. After admitting some students, three
new sections have been started and now there are 16 sections with 21 students in each. What is the number of newly admitted students?
Qn #1565
The average marks of boys in a class is 52 and that of girls is 42. The average marks of boys and girls
combined is 50. The percentage of boys in the class is
Qn #1467
Qn #1351
A bus starts from its depot filled to seating capacity. It stops at a point A where 1/6th of the passengers alight and 10 board the bus. At point B, 1/5th of the passengers alight and 3 board the bus. At point C which is the last stop, all the 55 passengers alight. The capacity of the bus is
Qn #1121
A clock is set right at 5 AM. The clock loses 16 minutes in 24 hours.What will be the true time when the clock indicates 10 p.m. on 4th day?
Qn #1000
Three cities A, B, C are equidistant from each other.
A motorist travels from A to B at 30km/hour, from B
to C at $40$ km/hour, and from C to A at 50km/hour.
Then the average speed is
Qn #948
Sum of ages of Anu and Bhanu is 10 years more than the sum of ages of Bhanu, Chanu, and Dhanu. The average age of Chanu and Dhanu is 19 years. Find the average age of Anu and Dhanu if Dhanu is 10 years
elder than Chanu.
Qn #935
Qn #923
A set of consecutive positive integers beginning with
1 is written on the blackboard. A student came along
and erased one number. The average of the remaining
numbers is $35\frac{7}{15}$. What was the number erased?
Qn #685
On Monday, Akash ran 4 km less than the distance he ran on Tuesday. Sanjay, who ran the same distance on Monday and Tuesday, ran 5 km more on Tuesday than the distance Akash ran on Monday. Find the difference between the distances covered by Akash and Sanjay over the two days.
Qn #552
Qn #481
There are 40 female and 20 male students in a class. If the average heights of
female and
male students are 5.15 feet and 5.66 feet, respectively, then the average height (in feet)
of all the students in the class equals
Qn #379
Qn #240
The sum of seven numbers is 235. The average of the first three is 23 and that of the last three is 42. The fourth number is:
Qn #238
Five years ago, the average age of P and Q was 15 years. Average age of P, Q and R today is 20 years. How old will R be after 10 years?
Qn #116
The average age of a class of 22 students is 21 years. The average increased by 1 when the teacher age was also included. What is the age of the teacher?