**1**. If A:B = 2:3 and B:C = 4:5 then C:A is:

**Answer** – **15:8**

**If A:B = 2:3 and B:C = 4:5 then C:A is: 15:8.**

**1**. If A:B = 2:3 and B:C = 4:5 then C:A is:

**Answer** – **15:8**

- - Advertisement -
**If A:B = 2:3 and B:C = 4:5 then C:A is: 15:8.**

**2**. The fourth proportional to 12, 14, and 18 is?

**Answer** – **21**

**The fourth proportional to 12, 14, and 18 is 21.**

**2**. The fourth proportional to 12, 14, and 18 is?

**Answer** – **21**

**The fourth proportional to 12, 14, and 18 is 21.**

**3**. Two numbers are in the ratio 3: 5. If 9 is subtracted from each, the new numbers are in the ratio 12: 23. The product of the two numbers is:

**Answer** – **1815**

**Two numbers are in the ratio 3: 5. If 9 is subtracted from each, the new numbers are in the ratio 12: 23. The product of the two numbers is 1815.**

**3**. Two numbers are in the ratio 3: 5. If 9 is subtracted from each, the new numbers are in the ratio 12: 23. The product of the two numbers is:

**Answer** – **1815**

**Two numbers are in the ratio 3: 5. If 9 is subtracted from each, the new numbers are in the ratio 12: 23. The product of the two numbers is 1815.**

**4**. After an increment of 7 in both the numerator and denominator, a fraction changes to 3/4. Find the original fraction.

**Answer** – **2/5**

**After an increment of 7 in both the numerator and denominator, a fraction changes to 3/4. The original fraction is 2/5.**

**4**. After an increment of 7 in both the numerator and denominator, a fraction changes to 3/4. Find the original fraction.

**Answer** – **2/5**

**After an increment of 7 in both the numerator and denominator, a fraction changes to 3/4. The original fraction is 2/5.**

**5**. A bag contains 50 paise, 25 paise and 10 paise coins in the ratio 5: 9: 4 amounting to Rs.206. The total number of 25 and 10 paise coins is:

**Answer** – **520**

**A bag contains 50 paise, 25 paise and 10 paise coins in the ratio 5: 9: 4 amounting to Rs.206. The total number of 25 and 10 paise coins is 520.**

**5**. A bag contains 50 paise, 25 paise and 10 paise coins in the ratio 5: 9: 4 amounting to Rs.206. The total number of 25 and 10 paise coins is:

**Answer** – **520**

**A bag contains 50 paise, 25 paise and 10 paise coins in the ratio 5: 9: 4 amounting to Rs.206. The total number of 25 and 10 paise coins is 520.**

**6**. If the ratio of the ages of Maya and Chhaya is 6: 5 at present, and fifteen years from now, the ratio will get changed to 9: 8, then find Chhaya’s age after four years.

**Answer** – **29**

**If the ratio of the ages of Maya and Chhaya is 6: 5 at present, and fifteen years from now, the ratio will get changed to 9: 8, then Chhaya’s age after four years will be 29.**

**6**. If the ratio of the ages of Maya and Chhaya is 6: 5 at present, and fifteen years from now, the ratio will get changed to 9: 8, then find Chhaya’s age after four years.

**Answer** – **29**

**If the ratio of the ages of Maya and Chhaya is 6: 5 at present, and fifteen years from now, the ratio will get changed to 9: 8, then Chhaya’s age after four years will be 29.**

**7**. The speeds of three cars are in the ratio 3: 4: 5. The ratio between the times taken by these cars to travel the same distance is

**Answer** – **20:15:12**

**The speeds of three cars are in the ratio 3: 4: 5. The ratio between the times taken by these cars to travel the same distance is 20:15:12.**

**7**. The speeds of three cars are in the ratio 3: 4: 5. The ratio between the times taken by these cars to travel the same distance is

**Answer** – **20:15:12**

**The speeds of three cars are in the ratio 3: 4: 5. The ratio between the times taken by these cars to travel the same distance is 20:15:12.**

**8**. Incomes of Abhi and Banu are in the ratio 4: 3 and their annual expenses in the ratio 3: 2. If each save Rs. 60,000 at the end of the year, the annual income of Abhi is:

**Answer** – **Rs. 2,40,000**

**Incomes of Abhi and Banu are in the ratio 4: 3 and their annual expenses in the ratio 3: 2. If each save Rs. 60,000 at the end of the year, the annual income of Abhi is Rs. 2,40,000.**

**8**. Incomes of Abhi and Banu are in the ratio 4: 3 and their annual expenses in the ratio 3: 2. If each save Rs. 60,000 at the end of the year, the annual income of Abhi is:

**Answer** – **Rs. 2,40,000**

**Incomes of Abhi and Banu are in the ratio 4: 3 and their annual expenses in the ratio 3: 2. If each save Rs. 60,000 at the end of the year, the annual income of Abhi is Rs. 2,40,000.**

**9**. In a school the ratio of boys to girls is 4:3 and the ratio of girls, to teachers is 8: 1. The ratio of teacher to students is:

**Answer** – **3:56**

**In a school the ratio of boys to girls is 4:3 and the ratio of girls to teachers is 8:1. The ratio of teacher to students is 3:56.**

**9**. In a school the ratio of boys to girls is 4:3 and the ratio of girls, to teachers is 8:1. The ratio of teacher to students is:

**Answer** – **3:56**

**In a school the ratio of boys to girls is 4:3 and the ratio of girls to teachers is 8:1. The ratio of teacher to students is 3:56.**

**10**. A several takes 5 leaps for every 4 leaps of a cheetah, but 3 leaps of the cheetah are equal to 4 leaps of the serval. What is the ratio of the speed of the cheetah to that of the serval?

**Answer** – **16:15**

**A several takes 5 leaps for every 4 leaps of a cheetah, but 3 leaps of the cheetah are equal to 4 leaps of the serval. The ratio of the speed of the cheetah to that of the serval is 16:15.**

**10**. A several takes 5 leaps for every 4 leaps of a cheetah, but 3 leaps of the cheetah are equal to 4 leaps of the serval. What is the ratio of the speed of the cheetah to that of the serval?

**Answer** – **16:15**

**A several takes 5 leaps for every 4 leaps of a cheetah, but 3 leaps of the cheetah are equal to 4 leaps of the serval. The ratio of the speed of the cheetah to that of the serval is 16:15.**