Question
If the radius of the base of a right circular cylinder
is 4 m and the area of the curved surface of the cylinder is 19.5 m2, then its volume (in m3) is:Solution
The correct answer is B
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 2 : 3 : 4 : 5. if the loss i...
The price of sugar is increased by 15%. If the expenditure is not allowed to increase, the ratio between the reduction in consumption and the original c...
If the ratio of number of boys and girls present in the playground is 5:4. 10 boys left the playground, leaving total number of girls same as the boys p...
In a classroom, the ratio of boys to girls is 3:1. The average marks of all the girls are given as z - 6 , while the overall average marks for all the s...
A plot has to be divided among P, Q and R in the ratio 2:5:8 respectively. If the area of plot received by R is 4200m² more than the area of plot recei...
Three numbers are in ratio 3:5:6. If the sum of the squares of those three numbers is 280 then find the sum of the three numbers.
What number has to be added to each term of 3:4 to make the ratio 6:7?
Two numbers are respectively 30% and 40% more than a third number. Find the ratio of two numbers.
The ages of A, B and C are in the ratio of 5:4:8 respectively. If the sum of their ages is 51 years, then find the age of B.
The ratio of the weights of Arjun, Ravi, and Sameer is 7:6:5 respectively. The weight of Karan is 9 kg less than the weight of Arjun. If the difference ...
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