## Ratio and percentage questions with answers SSC CGL Set 25

Ratio and percentage questions SSC CGL Set 25. Solve 10 in 12 minutes. Verify solutions from answers. Learn how to solve quickly from linked solutions.

Some of the questions are tricky as two basic concepts of ratio and percentage are both used together to form the questions.

Answers and link to the solutions are at the end.

### 10 Ratio and percentage questions for SSC CGL Set 25 - Answering time 12 mins

**Problem 1.**

Dry grapes contain 10% water while fresh grapes contain 80% water. What will be the weight (in kg) of fresh grapes when it weighs 50 kg as dry?

- 208
- 225
- 235
- 215

**Problem 2.**

Full tank petrol for Vijay's mobike lasts for 20 days. How many days a full tank will last for him if he increases his daily consumption of petrol by 25%?

- 16
- 10
- 12
- 14

**Problem 3.**

Number of students in three classes $A$, $B$ and $C$ in a school were in a ratio $2 : 3 : 4$ in last year. This year the numbers increased by certain percentages to change the ratio to $11 : 18 : 26$. If the percentage increase in class $C$ were 30% what is the percentage increase in class $B$?

- 25%
- 20%
- 10%
- 15%

**Problem 4.**

Due to price rise of rice by 25% per kg Labanya could only purchase 20 kg less than what she had purchased at the expense of Rs.400 before the price rise. The increase in price of rice per kg (in Rs.) is,

- 2
- 1.5
- 1
- 3

**Problem 5.**

Two vessels $A$ and $B$ of equal capacity of 5 litres each are filled with milk and water respectively. If 20% of water is taken out from vessel $B$, mixed thoroughly in vessel $A$ and then again 20% of the mixture in vessel $A$ is taken out and mixed back into vessel $B$ thoroughly, the relation between the volume of water in milk vessel $A$ and volume of milk in water vessel $B$ is,

- Water in $A$ = Milk in $B$
- Water in $A$ $\lt$ Milk in $B$
- Water in $A$ $\gt$ Milk in $B$
- cannot be answered with the given information

**Problem 6.**

As the price of oil has increased by 32%, a family has managed to decrease its oil consumption in such a way that effective increase in oil price was only 10% for them. If oil consumption were 10 litres before the price rise, what is the consumption (in litres) now?

- 9
- $8\displaystyle\frac{1}{3}$
- $8\displaystyle\frac{3}{4}$
- $8\displaystyle\frac{1}{2}$

**Problem 7.**

A box has 100 red balls, 50 blue balls and 50 black balls. 50% of the blue balls and 25% of the red balls were taken out of the box. What is the percentage of black balls in the box now?

- 25%
- 50%
- $33\displaystyle\frac{1}{3}$%
- 40%

**Problem 8.**

If 4 litres of water is mixed with a 20 litres of mixture of water and alchohol of 20% alcohol strength, what will be the percentage strength of alcohol after mixing?

- $33\displaystyle\frac{1}{3}$%
- $12\displaystyle\frac{1}{2}$%
- $16\displaystyle\frac{2}{3}$%
- 25%

**Problem 9.**

If the numerator of a fraction is increased by 20% and the denominator is decreased by 5% then the new fraction becomes $\displaystyle\frac{5}{2}$. The original fraction was,

- $\displaystyle\frac{24}{19}$
- $\displaystyle\frac{3}{18}$
- $\displaystyle\frac{48}{95}$
- $\displaystyle\frac{95}{48}$

** Problem 10.**

In a village each of the 60% of the families has a cow, each of the 30% of the families has a buffalo and each of the 15% of the families has both a cow and a buffalo. If there are 96 families in the village, how many families have neither a cow nor a buffalo?

- 28
- 24
- 20
- 26

To know how to solve these questions quickly and easily using basic ratio and percentage concepts, go through the solutions carefully at,

* SSC CGL Level Solution Set 25, Percentage, Ratio and Proportion 4*.

### Answers to the Ratio and percentage questions SSC CGL Set 25

**Problem 1. Answer:** Option b: 225.

**Problem 2. Answer:** Option a : 16.

**Problem 3. Answer:** Option b: 20%.

**Problem 4. Answer:** Option c: 1.

**Problem 5. Answer:** Option d: cannot be answered with the given information.

**Problem 6. Answer:** Option b : $8\displaystyle\frac{1}{3}$.

**Problem 7. Answer:** Option c: $33\displaystyle\frac{1}{3}$%.

**Problem 8. Answer:** Option c: $16\displaystyle\frac{2}{3}$%.

**Problem 9.** **Answer:** Option d: $\displaystyle\frac{95}{48}$.

**Problem 10.** **Answer:** Option b : 24.

**Resources that should be useful for you**

* 7 steps for sure success in SSC CGL tier 1 and tier 2 competitive tests* or

*to access all the valuable student resources that we have created specifically for SSC CGL, but*

**section on SSC CGL****generally for any hard MCQ test.**

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**SSC CGL Level Solution Set 25, Percentage, Ratio and Proportion 4**

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