Three of the following four number-pairs are alike in a certain way and one is different. Find the odd one out.
In all the pairs except 6 : 95, second number in each of the pair is a multiple of the first number.
A sum of Rs. 2400 was divided among three persons X, Y and Z such that if their shares were diminished by Rs, 5, Rs. 10 and Rs. 15 respectively, the rem...
The ratio between two numbers is 2:3. If each number is increased by 6, the ratio between then become 4:5, find the difference between numbers.
In a college the ratio of boys and girls are in the ratio 7:9. 65% girls and 40% boys were absent. Find the girls present if the total number of student...
If 50 less had applied and 25 less selected, the ratio of selected to unselected would have been 9 : 4. So how many candidates had applied if the ratio ...
If A:B:C = 2:3:8 and (C - B) = 130, then find the product of 'C' and 'A'.
In a class, 3/5 of the students are girls and rest are boys. If 2/9 of the girls and 1/4 of the boys are absent. What part of the total number of studen...
The ratio of three numbers is 3 : 5 : 4 and the sum of their squares is 11250. Find the sum of the numbers .
The radius of two circles is 3 cm and 4 cm. The distance between the centres of the circles is 10 cm. What is the ratio of the length of direct common ...
In an alloy of three metals, ratio of the quantity of gold, silver and platinum is 5:6:8, respectively. If total quantity of silver and platinum togethe...
In a class, the ratio of number of boys to that of girls was 7:6 and total number of boys was 1960. When some more boys joined, the ratio became 8:7. Fi...
