Three numbers are such that if the average of any two of them is added to the third number, the sums obtained are 168, 174 and 180 respectively. What is the average of the original three numbers?

The average of five consecutive number is 26, then the multiple of the first and the last number is

The least number that must be added to 8961 to make it exactly divisible by 84 is 

Each member of a Picnic party contributed twice as many rupees as the total collection was Rs.3042. The number of members present in the party was 

The third proportional of two numbers 9 and  24 is

When a number is increased by 28, it becomes 107% of itself. What is the number?

In a school of the boys are same in number as of the girls and   of the girls are same in number as    of the boys. The ratio of the boys to girls in that school is: 

Direction : What value should come in place question mark(?) in the following questions?

0.75 % of 90 + 0.55 % of 80=?