Online Test      LOGIN      SIGN UP
Forgot your password?
  • Delhi Police Exam Numerical Ability 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 Numerical Ability Ratio and Proportion for Delhi Police Exam student. This free online Numerical Ability study material for Delhi Police Exam will help students in learning and doing practice on Ratio and Proportion topic of Delhi Police Exam Numerical Ability. The study material on Ratio and Proportion, help Delhi Police Exam Numerical Ability 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 Numerical Ability with free online comprehensive study material and loads of Delhi Police Exam Numerical Ability 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 Numerical Ability Ratio and Proportion.


Ratio and Proportion
The average age of the boys in the class is twice the number of girls in the class. If the ratio of the boys and the girls in the class of 36 of 5:1, What is the total of the ages of the boys in the class?

a) 490 yr.
b) 420 yr.
c) 360 yr.
d) 196 yr.



Answer
Solution
Correct Answer Is : 360 yr.
Solution Is : Number of boys in the class =5/6*36=30 Number of boys in the class =36-30=6 Average age of boys =2*6=12 Total age of boys =12*30=360 yr.
A sum was divided among A, B and C. C got double than A, who got double than B. If the difference between the share of B and C was Rs 3675 , what was the sum?

a) 4900
b) 8575
c) 11025
d) 7350



Answer
Solution
Correct Answer Is : 8575
Solution Is : Let B got Rs x A got Rs 2x and C got Rs 4x According to the question 4x-x=3675 x=1225 Required sum=x+2x+4x=7x =7*1225=Rs 8575
PREVIOUS

Preparation for Exams

script type="text/javascript">