AFCAT MATHEMATICS (RATIO & PROPORTION) QUIZ-7

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Question 1:

Aman and Chaman earn in the ratio $13: 8$. They spend in the ratio $5: 3$ and they save Rs. 1500 and Rs. 1000 respectively. Find the difference between their salary.

Question 2:

If $x$ is added to each of the numbers 31,82 , 19 and 53 the resulting numbers are in proportion. What is the mean proportion of $(x+$ 4) and $(x-1)$

Question 3:

Three years ago, the ratio of the age (in years) of A to that of B is $4: 5$, 6 years hence, the ratio of will be $7: 8$. What will be the sum of their ages 12 years from now?

Question 4:

Rs. 99356 is to be distributed among A, B and $C$ in the ratio $\frac{1}{8}: \frac{1}{5}: \frac{1}{6} .$ Share of $A$ and C taken together exceeds the share of B by (in rupees):

Question 5:

A, B and C started a business. Twice the investment of $\mathrm{A}$ is equal to thrice the investment of $B$ and also equal to five times the investment of $\mathrm{C}$. If $\mathrm{B}^{\prime}$ s share out of total profit is Rs. 1590 , then total profit is (in rupees)

Question 6:

The sum of the three numbers is 460. If the ratio between the first and second number be $4: 7$ and that between the second and third be 6: 7, then find the second number.

Question 7:

Rs. 432 is divided amongst three workers Aakash, Bablu and Chandan such that 8 times Aakash's share is equal to 12 times Bablu's share which is equal to 6 times Chandan's share. How much did Aakash get?

Question 8:

The monthly incomes of Amit and Bandana are in the ratio $4: 5$, their expenses are in the ratio 5: 6. If ' Amit ' saves Rs. 25 per month and ' Bandana ' saves Rs.50 per month, what are their respective incomes?

Question 9:

What is the value of $x$ if, $\frac{10}{3}: x:: \frac{5}{2}: \frac{5}{4} ?$

Question 10:

₹ 5,100 was distributed among $A$ and $B$ in the ratio $8: 9$. By how much is B's share more than A's share?