Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:
A). 2:5
B). 3:5
C). 4:5
D). 5:4
4:5
NA
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1. The ratio of two liquids in a mixture is 3: 5 and that in another mixture is 6 : 1. The ratio in which these two mixtures should be mixed so as to make the ratio of the liquids 7:3 is
2. The ratio of the weights of two spheres is 8 : 27 and the ratio of weights per 1 cc of materials of two is 8 : 1 . The ratio of the radii of the spheres is
3. If $\frac{3}{5}P$ = $\frac{7}{2}Q$ = $\frac{7}{5}R$ ,then waht is the ratio of P,Q and R?
4. Incomes of x and y are in the ratio 4:3. Their expenditures are in the ratio 12:7. Both save Rs.3200 at the end of the month, then the income of x is
5. 36 people have planned to go on picnic but some people got absent and due to this the expenses per person increased in the ratio of 5 : 6. Find the number of people that were absent.
6. If x4 + 1/x4 = 23 then what is the value of (x – 1/x)2?
7. If (3/2)P = (4/5)Q = (2/3)R, then what is P : Q : R?
8. If 378 coins consist of rupees, 50 paise and 25 paise coins, whose values are in the ratio of 13:11:7 , the number of 50 paise coins will be :
9. $\triangle ABC $is similar to $\triangle PQR$. If ratio of perimeters of $\triangle ABC$ and $\triangle PQR$ is 1:2 and if PQ = 10 cm then what is the length of AB (in cm)?
10. A virus inside a human organ can triple itself at every second. Then the ratio of the number of viruses at 31 seconds and 33 seconds is
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