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  • IBPS RRB CWE Exam Quantitative Aptitude Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Quantitative Aptitude Ratio and Proportion for IBPS RRB CWE Exam student. This free online Quantitative Aptitude study material for IBPS RRB CWE Exam will help students in learning and doing practice on Ratio and Proportion topic of IBPS RRB CWE Exam Quantitative Aptitude. The study material on Ratio and Proportion, help IBPS RRB CWE Exam Quantitative Aptitude students to learn every aspect of Ratio and Proportion and prepare themselves for exams by doing online test exercise for Ratio and Proportion, as their study progresses in class. Kidsfront provide unique pattern of learning Quantitative Aptitude with free online comprehensive study material and loads of IBPS RRB CWE Exam Quantitative Aptitude Ratio and Proportion exercise prepared by the highly professionals team. Students can understand Ratio and Proportion concept easily and consolidate their learning by doing practice test on Ratio and Proportion regularly till they excel in Quantitative Aptitude Ratio and Proportion.


Ratio and Proportion
Two horses A and B run at a speed of 3:2 ratio in the first lap; during the second lap the ratio differs by 4:7; during the third lap their ratio differs by 8:9.
Q.What is the difference in ratio of speed altogether between the two horses?

a) 4
b) 2
c) 3
d) 1



Answer
Solution
Correct Answer Is : 3
Solution Is : Difference between the rations =(2+ 7 +9) - (3+ 4 + 8) =18 - 15 = 3
Two persons A and B get the same salary. Their basic pay are different. The allowances are 65% and 80% of the basic pay respectively.
Q.What is the ratio of the basic pay ?

a) 17:15
b) 7:05
c) 11:10
d) 12:11



Answer
Solution
Correct Answer Is : 12:11
Solution Is : Suppose basic pay of A = Rs. X Basic pay of B = Rs. Y Ratio between basic pays
Two equal glasses filled with alcohol and water in the proportions 2:1 and 3:2 are emptied into a third glass. The proportion of alcohol and water in the third glass will be

a) 13:17
b) 19:17
c) 13:11
d) 19:11



Answer
Solution
Correct Answer Is : 19:11
Solution Is :
The ratio of a length and breadth of a volume of parallelepiped is 5 : 3 and its height is 6 cm. If the total surface area of the parallelepiped be 558 sq.cm, then its length in dm is

a) 9
b) 1.5
c) 10
d) 15



Answer
Solution
Correct Answer Is : 1.5
Solution Is :
Three vessels Q.Whose capacities are 3:2:1 are completely filled with milk with water. The ratio of milk and water in the mixture of vessels are 5:2, 4:1 and 4:1 respectively. Taking 1/3 of first, 1/2 of second and 1/7 of third mixture kept in a new mixture is

a) 28
b) 32
c) 30
d) 24



Answer
Solution
Correct Answer Is : 24
Solution Is : Let there be 3 litres 2 litres and 1 litre of mixtures in three vessels respectively. Vessel I In 1 litre of mixture Milk=(5/7) litre, Water=(2/7) litre Vessel II In I litre of mixture , Milk=(4/5)litre , Water =(1/5) litre Vessel III In (1/7) litre of mixture Milk =(4/5)*(1/7) =(4/35)litre Water =(1/35)litre In new vessel, Mixture= 1+1+(1/7) =2+(1/7)=(14+1/7)=15/7 litre Water =(2/7)+(1/5)+(1/35) =(10+7+1/35)=(18/35) litre Required percentage (18/35)/(15/7)*100 =(18/35)*(7/15)*100 = 24%
The ratio of the number of boys to that of girls in a village is 3:2 , if 30% of boys and 70% of girls appeared in an examination, the ratio of the number of villagers, appeared in the examination in the same examination is

a) 9:14
b) 23:27
c) 1:01
d) 01-01-00 3:23



Answer
Solution
Correct Answer Is : 23:27
Solution Is : Boys in the village=3x Girls in the village=2x villagers who appeared in the examination =(3x*30/100)+(2x*70/100) =(9x/10)+(14x/10) =(23x/10) villagers who did not appear in the examination =(3x*70/100)+(2x*30/100) (21x/10)+(6x/10) =(27x/10) Required ratio = (23x/10):(27x/10) 23:27
5 pencils and 4 erasers cost 13 whereas 9 pencils and 5 erasers cost 19. Then the price of 6 pencils and 3 erasers is

a) 9
b) 12
c) 15
d) 18



Answer
Solution
Correct Answer Is : 12
Solution Is : Price of 1 pencil = X price of 1 eraser =
y
The ratio of the present age of a man and his wife is 4 : 3 and 4 years hence, the ratio of their ages will be 9 : 7. If the ratio of their ages at the time of their marriage was 13 : 9, how many years ago were they married ?

a) 4
b) 8
c) 6
d) 9



Answer
Solution
Correct Answer Is : 6
Solution Is : Person`s age = 4X years wife`s age = 3X years After 4 years, 4X + 4/3X + 4 = 9/7 => 28X + 28 = 27X + 36 => X = 36 - 28 = 8 person`s age = 4 X 8 = 32 years wife`s age = 3 X 8 = 24 years. If they got married y years ago, then 32 - y/24-y = 13/9 => 312 -13y = 288 - 9y => 13y - 9y = 312 - 288 => 4y = 24 => y = 6 years.
The ratio of the X and Y three years ago was 4 : 5 and that after three years will be 5 : 6. Then the sum of the ages of X and Y is

a) 60 Years
b) 64 Years
c) 72 Years
d) 58 Years



Answer
Solution
Correct Answer Is : 60 Years
Solution Is : 3 years ago, X`s age = 4X years y`s age = 5X years after 3 years of present age, 4X + 6/ 5X + 6 =5/6 => 25X + 30 = 24X + 36 => X = 36 - 30 = 6 Sum of the present ages of X and Y 4X + 3 + 5X + 3 9X + 6 = 9 X 6 + 6 = 60 years.
A bag contains 25 paise . 10 paise and 5 paise coins in the ration 1:2:3 . If their total value is ₹ 30, the number of 5 paise coins is ---

a) 50
b) 100
c) 150
d) 200



Answer
Solution
Correct Answer Is : 150
Solution Is : The ratio of 25p, 10p, 5p coins is 1:2:3 The number of 2p,10p,5p coins are x,2x and 3x respectively given 25*x+10*2x+5*3x=3000p 25x+20x+15x=3000 6x=3000 x=50p The number of 5p coins in 3x=3*50 =150p
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