UP SI MATHS QUIZ

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Question 1:

If (2x + 3) : (5x + 4) is the triplicate ratio of $3: 4$, find the square of 'x'?

Question 2:

Golu started a business with Rs 36,000 and Shivani joined afterwards with Rs 24,000 . If the profit at the end of the one year was divided in the ratio 2:1 respectively, then Shivani would have joined Golu for business after.

Question 3:

There are a total of 200 students in a school, of which $\frac{7}{10}$ are boys, Find the number of girls in the school.

Question 4:

Find the ratio between the fourth proportional of $12,16,6$ and the third proportional of 4 and 6:

Question 5:

The ratio of men and women working in an office is $4: 7$. If the number of women is 330 more than the number of men, then the total number of workers in the office is:

Question 6:

There are total 200 students in a school, of which $\frac{1}{5}$ th are boys. Find the number of girls in the school.

Question 7:

$a: b=5: 4$ and $b: c=3: 2$ then what is $c: a$:

Question 8:

Two numbers are in the ratio $\mathrm{P}: \mathrm{Q}$. When 2 is added to both the numerator and denominator, the ratio gets changed to $R: S$. Again when 2 is added to both the numerator and the denominator, it becomes $\frac{5}{8}$. Find the sum of P and Q.

Question 9:

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 10:

Solution A contains water and Alcohol in the ratio $5: 2$ and solution B contains Alcohol and water in the ratio $4: 3$. Solution $\mathrm{C}$ is prepared by mixing $A$ and $B$ in ratio $4: 5$, then the percentage of Alcohol in solution C is?