Ratio and Proportion Aptitude Questions with Solutions with PDF at Smartkeeda | Ratio & Proportion Quiz 2 at Smartkeeda

Directions: Study the following questions carefully and choose the right answer:
1
If a : b = 2 : 3 and b : c = 5 : 7, find the value of  a : b : c ?
» Explain it
C
Given  a  =  2  and  b  = 5 : 7
b 3 c

∴    a  =  ( a  ×  b )  =  ( 2  ×  5 )  =  10 .
c b c 3 7 21

So, a : c = 10 : 21.

Also, a : b = 2 : 3 and b : c = 5 : 7
 
 =  3  × 5 :  3  × 7 = 3 :  21
5 5 5

∴   a : b : c = 2 : 3 :  21  = 10 : 15 : 21.
5

Hence, option C is correct.

2
What is the fourth proportional to 3, 7, 15.
» Explain it
D
Let the fourth proportion be x. Then,

3 : 7 :: 15 : x.

∴   3x = 7 × 15

⇒  x =   ( 7 × 15 )  = 35.
3

Hence, option D is correct.

3
What is the mean proportion between 8 and 32.
» Explain it
C
Mean proportion =   8 × 32  =   256   = 16.

Hence, option C is correct.

4
What is the sub-duplicate ratio of 16 : 25.
» Explain it
B
Sub-duplicate ratio of 16 : 25 is  16  :  25   i.e. 4 : 5.

Hence, option B is correct.

5
Divide Rs.1024 in the ratio 9 : 7?
» Explain it
A
Sum of terms = (9 + 7) = 16.

First part = Rs. ( 1024 ×  9 )  = Rs. 576.
16

Second part = Rs. ( 1024 ×  7 )  = Rs. 448.
16

Hence, option A is correct.


Ratio and Proportion Questions Quiz for Bank, CET, LIC Exams

Ratio and Proportion concept is one of the most important parts of word problems, in each exam bank exams around 1 to 2 questions has been seen.  If you are aware about tricks and short cuts of ratio and proportion you can easily solve world problems within a minute.

Ratio, Proportion and Variation form an interesting chapter. The basic fundamentals of this chapter are extensively used in solving many questions in chapters like time and work, time and distance. You are likely to find the quite a few questions in the actual exams, based on these concepts

Here first we will discuss about, “what is ratio”

The comparison between two quantities of the same kind of units. Two of different kinds can’t be compared. Thus, there is no relation between rupees and 20 men. The ratio of a and b is usually written as a : b or a/b.

Ratio and Proportion questions asked in SBI Clerk Pre, IBPS Clerk Pre, IBPS RRB Pre, IBPS RRB Office Assistant Pre, IBPS RRB Scale 1 Pre, IBPS RRB Office Assistant Mains, IBPS RRB Scale 1 Mains, IBPS PO Pre, IBPS SO Pre, IBPS PO, SBI PO Pre, SBI SO Pre, SBI PO, LIC, NIACL, OICAL, CLAT, MAT, NIFT, CTET etc.

In this above quiz you will practice of 10 Ratio and Proportion questions with detailed solution, you will also get to know about how to solve ration and proportion questions fast by using tricks and shortcuts at free of cost.

You can also practice how to solve time and work questions with the help of ration and proportion concept. Here at Smartkeeda you will practice unlimited problems of ratio and proportion with quality solution.

Smartkeeda also provides test series at sub-platform “Testzone” for all bank, SSC, Insurance exams test series at least price with Brilliant Analytics, Excellent content and unmatched Explanation.

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