Home › RRB Group D › Mathematics › Ratio and Proportion › The ratio of 30 minutes to 40 minutes is written…
The ratio of 30 minutes to 40 minutes is written as:
A3 : 4
B1 : 80
C1 : 20
D4 : 3
Answer & Solution
Correct answer: A. 3 : 4
1. Both quantities are in the same unit (minutes).
2. Ratio = 30 : 40.
3. Dividing both by 10 gives 3 : 4.
_Source: RRB Group D CEN-02/2018 PYQ, Q.79._
Related questions
Ratio of two numbers is 3 : 5. If x is added to each, the new ratio is 7 : 5. Sum of squarA : B = 1/4 : 1/5 and B : C = 1/8 : 1/7. Find (4A + 2B + 2C) / (3B + C).S is 7 years younger than R. If the ratio of their ages is 7 : 9, what is S's age?If a 24.6 m long wire is divided in the ratio 12 : 29, what is the length of the longer piA sum of Rupees 110 is made of Rupees 2, Rupees 1 and 50 paise coins in the ratio 1 : 2 : 1200 soldiers in a fort had enough food for 28 days. After 4 days, some soldiers left and In a school, 10% of the boys equal in number to 1/4th of the girls. What is the ratio of bThe sum of two numbers is 45 and they are in the ratio 7 : 8. The two numbers are: