1 A mixture contains alcohol and water in the ratio 4 : 3. If 5 litres of water is added to the mixture, the ratio becomes 4 : 5. Find the quantity of alcohol in the given mixture. A) 9 B) 10 C) 12 D) 14 E) 16
2 Rs.558 was divided among A, B, C such that if Rs.4, 6 and 8 were decreased respectively from their shares, then the ratio of their shares was 2:3:7. What was the share of A ? A) 138 B) 94 C) 132 D) 130 E) 135
3 If $A:B=1:3$; $B:C=5:7$; $C:D=9:7$, then $A:B:C:D$ is equal to A) 15 : 49 : 45 : 63 B) 49 : 15 : 45 : 63 C) 15 : 45 : 63 : 49 D) 45 : 15 : 63 : 49 E) 15: 25 : 63 : 49
4 Two numbers are respectively 20% and 50% more than a third number. These two numbers are in the ratio A) 3:4 B) 4:5 C) 5:6 D) 6:7 E) 5:7
5 If $a:b=5:9$ and $b:c=4:7$, find $a:b:c$. A) $30:36:63$ B) $20:36:63$ C) $10:36:15$ D) $20:55:35$ E) $10:42:12$
6 If $x:y=3:4$, find $(4x+5y):(5x-2y)$. A) $\frac{32}{7}$ B) $\frac{7}{42}$ C) $\frac{33}{2}$ D) $\frac{1}{12}$ E) $\frac{2}{7}$
9 If $\frac{A}{3}=\frac{B}{4}=\frac{C}{5}$, then $A:B:C$ is : A) 3:4:5 B) 2:1:4 C) 4:5:7 D) 6:4:8 E) 5:4:2
11 If $A:B :C=2:3:4$, then $\frac{A}{B}:\frac{B}{C}:\frac{C}{A}$ is equal to : A) 5:4:11 B) 7:11:32 C) 1:4:9 D) 8:9:24 E) 7:11:9
12 If $\left(\frac{1}{5}\right):\left(\frac{1}{x}\right)$ $=\left(\frac{1}{x}\right):\left(\frac{100}{125}\right)$, then the value of $x$ is : A) 1.5 B) 2 C) 2.5 D) 3 E) 3.5
14 Of the three numbers, the ratio of the first and the second is 8:9 and that of the second and third is 3:4. If the product of the first and third numbers is 2400, then the second number is A) 45 B) 40 C) 30 D) 55 E) 60
15 The sum of two numbers is 40.Thier difference is 4 .The ratio of the number is A) 1 : 10 B) 5 : 6 C) 11 : 9 D) 7 : 2 E) 5 : 9
