Question
The weight of a sphere is jointly proportional to the cube of its radius and the density of the material of which it is made. The radii of two spheres are 17 : 8 and the densities of materials 3 : 4. If the weight of the second sphere be 40 kg, then the approximate weight of the first sphere is:
More Previous year papers Questions
- If x : y : z = 1 : 2 : 3, then what is the value of
- Among three numbers, the second number is half of the first number and the third number is 4 less than the second number. If the average of the first and t...
- The weightage of 5 tests in a class and the marks scored by Ritu in those tests are as follows. What is the weighted average of the percentages she obtaine...
- A money bag contains one rupee, 5 rupee and 10 rupee coins in the ratio of 3 : 5 : 7 respectively. If the total amount in the bag is ₹980,then find the num...
- When an article is sold for ₹640, there is a loss of 12%. To gain 21%, it should be should be sold for:
- The product of the two numbers is 1500 and their HCF is 10. The number of such possible pairs is/are:
- 6 skilled workers can complete a work in 4 days. After three days 3 more skilled workers joined them. How many days will they now take to complete the rema...
- Find the value of y. x + y – z = 6 2x + y – z = 7 3x + y – 2z = 11
- (1 + sec 20° + cot 70°)(1 - cosec 20° + tan70°) is equal to
- If a student distributes sweets in the ratio of among five of his friends A, B, C, D and E, then the total number (minimum) of sweets he should have is:
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
