The ratio between the third proportional of 12 and 30 and mean proport – McqOptions

MCQOPTIONS

1.	The ratio between the third proportional of 12 and 30 and mean proportional of 9 and 25 is
A.	2 : 1
B.	5 : 1
C.	7 : 15
D.	9 : 14
Answer» C. 7 : 15

Discussion

No Comment Found

Related MCQs

A and B together have 158. C has 101 less than what A and B together have, and B has 23 more than C. The amount of A is:
A sum of 340. 68 is distributed among L, M and N such that L gets 5.72 more than N and M gets 2.24 more than L, N gets
If X: Y = 4: 3 and Y: Z = 5: 3. If X+Y+Z = 1584. Find X?
Rs. 180 is stored in a box in the form of 1 Rupee coins, 50 paisa coins and 25 paisa coins. Their ratio is 2:3:4. Find the no. of 50 paisa coins.
If a : b = 20:5 then find out the value of (13a-9b): (11a-7b)?
If the compound ratio of [(3a + 2b) : 3] and [1 : (3a + b)] is 1 : 2, find the ratio a : b.
The monthly salaries of A and B are in the ratio 5 : 6. If both of them get a salary increment of Rs. 2000, the new ratio becomes 11 : 13. What is the new monthly salary of A?
If A's capital is equal to three times of B's capital and if B's capital is equal to four times of C's capital, then the ratio of their capitals is
In bag there are coins of 25 paisa, 50 paisa and 1 rupee in the ratio of 3 : 4 : 5. If there are in all Rs.31, then how many 1 rupee coins are there in the bag?
A person lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest after 2 years is Rs. 820 then in which ratio will Rs. 8000 is to be divided?