Ratio and Proportion

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Question 1

In a party, 60% of the invited guests are male and 40% are female. If 80% of the invited guests attended the party and if all the invited female guests attended, what would be the ratio of males to females among the attendees in the party?

  • 2:3

  • 1:1

  • 3:2

  • 2:1

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Question 2

In appreciative of social improvement completed in a town, a wealthy philanthropist decided to give gift of Rs. 750 to each male senior citizen and Rs. 1000 for female senior citizens. There are total 300 citizens and the 8/9th of total men and 2/3rd of total women claimed the gift. What is amount of money philanthropist paid?

  • 15000

  • 200000

  • 115000

  • 151000

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Question 3

The number of units of a product sold in three different years and the respective net profits are presented in the figure above. The cost/unit in Year 3 was Re. 1, which was half the cost/unit in Year 2. The cost/unit in Year 3 was one-third of the cost/unit in Year 1. Taxes were paid on the selling price at 10%, 13%, and 15% respectively for the three years. Net profit is calculated as the difference between the selling price and the sum of cost and taxes paid in that year. The ratio of the selling price in Year 2 to the selling price in Year 3 is _________.

  • 4:3

  • 1:1

  • 3:4

  • 1:2

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Question 4

TABLE

Details of prices of two items P and Q are presented in the above table. The ratio of cost of item P to cost of item Q is 3:4. Discount is calculated as the difference between the marked price and the selling price. The profit percentage is calculated as the ratio of the difference between selling price and cost, to the cost. Discount is being offered to the products and new labels are used with marked price that represent the final price after discount. ( Marked Price = Normal Selling Price - Discount ) 

Profit% = ((Selling price – Cost)/Cost)×100

The discount on item Q, as a percentage of its marked price, is _______ .

  • 25

  • 12.5

  • 10

  • 5

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Question 5

The present ages of A, B and C are in proportions 4:5:9. Nine years ago, sum of their ages was 45 years. Find their present ages in years

  • 15,20,35

  • 20,24,36

  • 20,25,45

  • 16,20,36

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Question 6

At present, the ratio between ages of Ram and Shyam is 6:5 respectively. After 7 years, Shyam’s age will be 32 years. What is the present age of Ram?

  • 32

  • 40

  • 30

  • 36

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Question 7

Present age of Vinod and Ashok are in ratio of 3:4 respectively. After 5 years, the ratio of their ages becomes 7:9 respectively. What is Ashok’s present age is ?

  • 40 years

  • 28 years

  • 32 years

  • 36 years

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Question 8

Two numbers are in the ratio of 2:9. If their H. C. F. is 19, numbers are:

  • 171, 38

  • 38,151

  • 38, 171

  • 38,161

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Question 9

Felix and Adam win Rs 1210 together. 4/15 of Felix's share is same as 2/5 of Adam's share. How much did Adam win?

  • Rs 484

  • Rs 330

  • Rs 360

  • Data inadequate

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Question 10

In a box, there are 10p, 25p and 50p coins in the ratio 4:9:5 with the total sum of Rs 206. How many coins of each kind does the box have?

  • 200, 360, 160

  • 135, 250, 150

  • 90, 60, 110

  • Cannot be determined

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