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Ratio and Proportion Page 2
The ratio of the cost of two books is 3:5. If the cost of first book is 4.80 rupee, then what is the cost of the second one?
|A. Rs. 8|
|B. Rs. 9|
|C. Rs. 11|
|D. Rs. 5|
A box contains rupee, fifty paise and twenty five paise coins whose values are in the proportion of 2:3:4. if the total number of coins are 480 find the value of each coins and total amount in rupees.
|A. 40, 60, 80 and 180|
|B. 40, 60, 90 and 150|
|C. 20, 40, 60, and 650|
|D. None of these.|
Ratio of earnings of Ram and Bimal is 8:9 respectively. if the earnings of Ram increased by 50% and the earnings of Bimal decrease by 25%; then the new ratio of their earnings becomes 16:9 respectively. What is the earning of Ram.
|D. Cannot be determined.|
The ratio of the present ages of priya aand her son is 5:2 respectively. Seven years hence, the ratio will be 2:1 . What was the age of priya when her son was born?
|A. 20 years|
|B. 25 years|
|C. 23 years|
|D. 21 years|
Three fourth of a number is equal to 20% of another number. What is the ratio of the first number to the second number?