EASY

CAT

IMPORTANT

Earn 100

An alloy of gold and silver is taken in the ratio of $1 : 2$ , and another alloy of the same metals is taken in the ratio of $2 : 3$ . How many parts of the two alloys must be taken to obtain a new alloy consisting of gold and silver that are in the ratio $3 : 5$ ?

50% studentsanswered this correctly

Important Questions on Ratio, Proportion and Variation

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 2

There are two quantities of oil, with the masses differing by

2

kg. The same quantity of heat, equal to

96

kcal, was imparted to each mass, and the larger mass of oil was found to be

4

degrees cooler than the smaller mass. Find the mass of oil in each of the two quantities.

MEDIUM

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 4

Calculate the weight and the percentage of zinc in the zinc-copper alloy being given that the latter's alloy with

3

kg of pure zinc contains

90

percent of zinc and with

2

kg of

90 %

zinc alloy contains

84 %

of zinc.

MEDIUM

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 5

Two solutions, the first of which contains

0.8 kg

and the second

0.6 kg

of salt, were poured together and

10 kg

of a new salt solution were obtained. Find the weight of the first and of the second solution in the mixture if the first solution is known to contain

10

percent more of salt than the second.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 7

In two alloys, the ratios of Nickel to Tin are

5 : 2

and

3 : 4

(by weight). How many kilograms of the first alloy and of the second alloy should be alloyed together to obtain

28 kg

of a new alloy with equal contents of nickel and tin?

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 8

In two alloys, aluminium and iron are in the ratios of

4 : 1

and

1 : 3

. After alloying together

10 kg

of the first alloy,

16 kg

of the second and several kilograms of pure aluminium, an alloy was obtained in which the ratio of aluminium to iron was

3 : 2

. Find the weight of the new alloy?

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 9

There are two alloys of gold, silver and platinum. The first alloy is known to contain

40

percent of platinum and the second alloy

26

percent of silver. The percentage of gold is the same in both alloys. Having alloyed

150 kg

of the first alloy and

250 kg

of the second, we get a new alloy that contains

30

percent of gold. How many kilograms of platinum is there in the new alloy?

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 14

A toy weighing

24 grams

of an alloy of two metals is worth

₹ 174

, but if the weights of metals in alloy be interchanged, the toy would be worth

₹ 162

. If the price of one metal be

₹ 8

per

gram

, find the price of the other metal in the alloy used to make the toy.

MEDIUM

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 15

The weight of three heaps of gold are in the ratio

5 : 6 : 7

. By what fractions of themselves must the first two be increased so that the ratio of the weights may be changed to

7 : 6 : 5

An alloy of gold and silver is taken in the ratio of 1:2, and another alloy of the same metals is taken in the ratio of 2:3. How many parts of the two alloys must be taken to obtain a new alloy consisting of gold and silver that are in the ratio 3:5?

Important Questions on Ratio, Proportion and Variation

Learn and Prepare for any exam you want !

An alloy of gold and silver is taken in the ratio of $1 : 2$ , and another alloy of the same metals is taken in the ratio of $2 : 3$ . How many parts of the two alloys must be taken to obtain a new alloy consisting of gold and silver that are in the ratio $3 : 5$ ?