The radial of bases of a cylinder and a cone are in the ratio 3:4. Volume of cylinder and cone are in the ratio 9:8. Then their heights are in the ratio :
Average age of 15 persons is 24 years. Later a boy is included into this group then average becomes 23 years. The age of the boy will be :
The sum and product of two numbers are 13 and 40 respectively. The sum of their reciprocals is :
The ratio of the age of two sisters is 3:4. The product of their ages is 192. The ratio of their ages after 5 years will be :
If the breadth of a rectangle is increased by 40% and the length is reduced by 30%. What will be the effect on its area?
When A, B, C are work together they complete a job in 8 days. When A and C decided to do the work together they completed this job in 12 days. In how many days B alone can complete the work?
Salim walked 100 meters facing towards South. From there he turned left and walked 40 meters. Thereafter, he turned to his left, walked 100 meters and stopped. How far and in what direction is Salim now from his starting point?
In a row of students, Sherin is 12th from the left and Athira is 19th from the right. If they interchange their positions, Sherin becomes 16th from the left. Then, what will be the position of Athira from the right?
Poles are arranged in straight line with 1 metre gap between them. How many poles will be there in a straight line of 30 metres?
A man walks 30 metres towards South. Then, turning to his right, he walks 30 metres. Then turning to his left, he walks 20 metres, again he turns to his left and walks 30 metres. How far is he from his initial position?
Find the odd one out in the sequence of numbers.25,27,30,35,42,53,65
A 1 km long train passes through a tunnel of 1 km length at a speed of 1 km per minute. How much time will it take to pass through it completely?
If a/3=b/4=c/7, then (a+b+c)/c =
A student multiplied a number by 3/5 instead of 5/3. What is the percentage error?
A and B can do a work in 12 days. B and C together can do it in 15 days and C and A together in 20 days. If A, B, C work together, they will complete the work in :