Q.71 Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?
(A) Rs. 17,000
(B) Rs. 20,000
(C)Rs. 25,500
(D) Rs. 38,000
Q.72 The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:
(A) 20
(B) 30
(C)48
(D) 58
Q.73 Vinod have 20 rupees. He bought 1, 2, 5 rupee stamps. They are different in numbers by the reason of no change, the shop keeper gives 3 one rupee stamps. So how many stamps Vinod have ?
(A) 10
(B) 18
(C) 12
(D) 15
Q.74 There are two containers, the first one contains 1 litre pure water and the second one contains 1 litre pure milk. Now 5 cups of water from the first container is taken out is mixed well in the second container. Then, 5 cups of this mixture is taken out and is mixed in the first container. Let A denote the proportion of milk in the first container and B denote the proportion of water in the second container then:
(A) A
(B) A=B
(C) A>B
(D) can't be determined
Q.75 The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?
(A) 8 : 9
(B) 17 : 18
(C)21 : 22
(D) Cannot be determined
Q.76 If 0.75 : x :: 5 : 8, then x is equal to:
(A) 1.12
(B) 1.2
(C)1.25
(D) 1.5
Q.77 If Rs. 782 be divided into three parts, proportional to : : , then the first part is:
(A) Rs. 182
(B) Rs. 190
(C)Rs. 196
(D) Rs. 204
Q.78 A mixture contains alcohol and water in the ratio 4:3. If 5 liters of water is added to the mixture, the ratio becomes 4:5. Find the quantity of alcohol in the given mixture.
(A) 8 Liters
(B) 10 Liters
(C) 18 Liters
(D) 22 Liters
Q.79 The incomes of two persons A and B are in the ratio 3 : 4. If each saves Rs.100 per month, the ratio of their expenditures is Rs. 1 : 2. Find their incomes.
(A) Rs. 100 and Rs.150
(B) Rs. 150 and Rs.200
(C) Rs.200 and Rs.250
(D) Rs.250 and Rs.300
Q.80 Three cats are roaming in a zoo n such a way that when cat A takes 5 steps, B takes 6 steps and C takes 7 steps.But the 6 steps of A are equal to the 7 steps of B and 8 steps of C. what is the ratio of their speeds?
(A) 140:144:147
(B) 40:44:47
(C) 15:21:28
(D) 252:245:240
Comment me if you face problems in solving Ratio and Proportion Questions and problems.
Get the Examsbook Prep App Today