SSC CPO QUANT QUIZ-5

Question 1:

A mixture of 70 liters of sugar and water contains 10% water. How many liters of water should be added to the mixture so that the water becomes 20%?

35 liter

40 liter

$8 \frac{3}{4}$ liter

$4 \frac{3}{8}$ liter

Question 2:

An amount of money at compound interest grows up to Rs. 3,840 in 4 years and up to Rs. 3,936 in 5 years. Find the rate of interest :

$2.5 \%$

$2 \%$

$3.5 \%$

$2.05 \%$

Question 3:

What will be the net discount (in percentage) after giving three successive discounts of $10 \%, 20 \%$ and $30 \%$ ?

$45.3$

$50.4$

$49.6$

$48.4$

Question 4:

By selling an item at Rs 1250 , a trader loses something. Had he sold it at Rs 1000 , he would have lost $20 \%$ more. What is the cost price of the item?

Rs 2000

Rs 1500

Rs 2500

Rs 3000

Question 5:

If the length of a rectangle is increased by 24% and the breadth is increased by 32%, then what will be the percentage increase in the area of the rectangle?

63%

57%

60.62%

63.68%

Question 6:

In 2010, a library contained a total of 11500 books in two categories fiction and non-fiction. In 2015, the library contained a total of 12760 books in these two categories. During this period, there was $10 \%$ increase in the fiction category while there was $12 \%$ increase in the nonfiction category. How many fiction books were in the library in 2015?

6600

6160

6000

5500

Question 7:

Direction :- What will come in the place of the question mark(?) in the following question?

$ 5 \frac{2}{7} \div 4 \frac{3}{7} \times ?=2 $

$1 \frac{25}{37}$

$1 \frac{25}{31}$

$2 \frac{15}{37}$

$3 \frac{12}{37}$

Question 8:

$22-[23-\{24-(27-\overline{25-30})\}]=?$

$-9$

$-7$

$-8$

7

Question 9:

The mean of the 5 smallest numbers in a group is 18 while the mean of all the 13 numbers in the group taken together is 20 . What is the mean of the largest 8 numbers?

$22.50$

$21.25$

$21.75$

$22.75$

Question 10:

Which of the following is the largest -
3/5 , 6/7 , 4/6 , 5/8

3/5

4/6

6/7

5/8