Find the mean proportional of the following pairs of numbers 50 and 512.
Find the mean proportional of the following pairs of numbers 50 and 512.
A). 80
B). 120
C). 160
D). 200
1 answers
Other Questions
1. The ratio in which a man must mix rice at Rs. 10.20 per kg and Rs. 14.40 per kg so as to make a mixture worth Rs. 12.60 per kg. is
2. If 1/4 of sunil's salary is equal to 1/5 of Amar's salary, and their total salary is Rs 25200, find Amar's salary.
3. The proportion of add and water in three samples is 2 : 1 , 3 : 2 and 5 : 3. A mixture containing equal quantities of all three samples is made. The ratio of water and acid in the mixture is
4. If 65 : a ∷ 25 : 6, then a is equal to -
5. Amar, Bhavan and Chetan divide an amount of Rs. 5600 among themselves in the ratio 3 : 6 : 5. If an amount of Rs. 400 is deducted from each of their shares, what will be the new ratio of their shares
6. Two numbers are in the ratio 3:5. If 9 is subtracted from each, then they are in the ratio 12 : 23. Find the smaller number.
7. A person distributes his pens among four friendsA, B.C, D in the ratio $\frac{1}{3}:\frac{1}{4}:\frac{1}{5}:\frac{1}{6}$.What is the minimum number of pens that the person should have
8. What number should be subtracted from each of the numbers 54, 71, 75 and 99, so that the reminders may be proportional.
9. Three numbers are in the ratio 3 ∶ 4 ∶ 5. If the sum of their squares is 3200, then what are the numbers?
10. A sum of Rs.1240 is distributed among A, B and C such that the ratio of amount received by A and B is 6 : 5 and that of B and C is 10 : 9 repectlvely. Find the share of C
