Small Quiz

3

QUESTION 1

Rishav sells two types of books national books and international books .He sells national books at Rs. 18 / book and incurs at loss of 10% whereas on selling the international books at Rs. 30 / book ,he gains 20 % .Find the ratio of the national and international books such that he can gain a profit of  25% by selling the combined books at 27.5 per book ?

3:5

5:3

5;1

2:5

5:2

QUESTION 2

One jar contains some acid and another jar contains an equal quantity of water .To prepare a solution , 20 g of the acid is poured into the second jar.Then , two –third of the so- formed solution is poured from the second jar into the first .If the fluid in the first  jar  is four times that in the second ,what quantity of water was taken initially ?

20g

1000g

100g

500g

200g

QUESTION 3

Two brands of detergents are to be combined . Detergent  M contains  40 % bleach and 60 % soap . While detergent  N contains  25 % bleach and  75%  soap . If the combined mixture is to be 35 % bleach .What % of the final mixture should be detergent M?

 

66.67%

36.67%

33.33%

15.8%

16.67%

QUESTION 4

Ram has stolen  15 L of milk from a container and replaced with the same quantity of water .He again repeated this process 3 times .Thus the ratio of the milk become 343 :169 .Find the initial amount of milk in the container .

100

120

80

50

112

QUESTION 5

A jar which contains a mixture of milk and water in ratio 15:6. 25.5 litres of mixture is taken out from the jar and 2.5 litres of pure water and 5 litres of milk is added to the mixture. If resultant mixture contains 25% water, what was the initial quantity of mixture in the tank before the replacement in litres? 

 

47.7

57.7

37.7

87.7

77.7

QUESTION 6

Rajib covered a distance of 200km  in 10 hrs . The first part of his journey is covered by foot ,then he hired a car  .The speed of the foot and car is  15 km/hr and  30 km /hr resp. Find the ratio of distance covered by foot and car .

 

1:2

1:1

1:3

2:1

1:4

QUESTION 7

9 L are drawn from a jar full of water and it is  then filled with milk , 9 L of mixture are drawn and the jar is again filled with milk .The quantity of water now left in the jar to that of the milk in it is 16 : 9 .How much does the jar  hold ?

30

25

40

45

35

QUESTION 8

Two jars conatin a mixture of water and gasoline is 60%  in the first  jar and 30% in the second jar .In what ratio must the mixtures from the first and the second jars be taken to form a mixture containing 50% alcohol ?

2:1

1:2

4:1

1:3

1:5

QUESTION 9

If  2 kg metal, of which (1/3) is iron and the rest is bronze , be mixed with 3 kg of metal , of which (1/4) is iron  and the rest is bronze . What is the ratio of iron to bronze in the mixture ?

17 : 45

18 : 43

17 : 44

17 : 43

16 : 43

QUESTION 10

Vessels  T and L contain mixtures of milk and water  in the ratios 4 : 5 and 5 : 1 resp .In what ratio should quantities of mixture be taken fromT  and L to form a mixture in which milk to water is in the ratio 5 : 4 ?

 

5:2

5:1

5:3

5:4

5:6