## Ratio & proportion Quant Quiz for SBI PO PRE 2019 (Day 6)

**Quant Quiz to improve your Quantitative Aptitude for SBI PO & SBI clerk exam quant, IBPS PO quant , IBPS Clerk quant , IBPS RRB quant, and other competitive exams. **

Q1. **During our campaign against child labor we have found that in three glass making factories A, B and C there were total 33 children aged below 18 were involved. The ratio of boys to girls in A, B and C was 4 : 3, 3 : 2 and 5 : 4 respectively. If the no. of girls working in the factories B and C be equal then find the no. of girls working in factory A ?**

A) 4

B) 5

C) 8

D) 6

E) 9

Q2. **Three friends A, B and C started a venture with capitals in the ratio of 4 : 1 : 15. At the end of every quarter A halves his capital, while B doubles his capital and C leaves his capital untouched. This process is repeated till the end of the year. If at the end of the year B’s share of profit is Rs. 22,000, what is the total profit (in Rs.)? **

A) 88,000

B) 1,10,000

C) 1,21,000

D) 99,000

E) None of these

Q3. **Milk and water are mixed in vessel A in the ratio of 5:2 and in vessel B in the ratio of 8 : 5. In what ratio should quantities be taken from the two vessels so as to form a mixture in which milk and water will be in the ratio of 9 : 4? **

A) 7 : 2

B) 5 : 2

C) 2 : 7

D) 2 : 5

E) None of these

Q4. **An ore contains 20% of an alloy that has 85% iron. Other than this, in the remaining 80% of the ore, there is no iron. What is the quantity of ore (in kg) needed to obtain 60 kg of pure iron?(upto two decimal points) **

A) 366.33 kg

B) 352.94 kg

C) 267.33 kg

D) 287.33 kg

E) 366.94 kg

Q5. **If age of P and R are added to twice the age of Q, the total becomes 59. It the ages of Q and R are added to thrice the age of P, the total become 68. And if the age of P is added to thrice the age of Q and thrice age of R, the total becomes 108, what is the total of ages of P, Q and R? **

A) 45 years

B) 47 years

C) 49 years

D) 42 years

E) 44 years

Q6. **A bag contains one-rupee, 50 paise and 25 paise coins in the ratio 5 : 6 : 8. If the total amount of money in the bag is Rs. 210. Find the number of coins of each kind?**

A) 05, 147, 168

B) 104, 136, 176

C) 106, 116, 156

D) 108, 126, 146

E) None of these

Q7. **A vessel of 120 litres is filled with milk and water. 80% of milk and 40% of water is taken out of the vessel. It is found that the vessel is vacated by 65%. What is the ratio of milk to water? **

A) 5 : 3

B) 6 : 5

C) 3 : 5

D) 4 : 3

E) 3 : 7

Q8. **The ratio of Radha’s and Ruchi’s ages is 9 : 4. If the difference between the present age of Radha and the age of Ruchi 5 year hence is 5 then what is the sum of the present ages of Radha and Ruchi? **

A) 18 years

B) 16 years

C) 26 years

D) 32 years

E) None of these

Q9. **The ratio of the present ages of a son and his father is 1 : 5 and that of his mother and father is 4 : 5. After 2 years the ratio of the age of the son to that of his mother becomes 3 : 10. What is the present age of the father ? **

A) 30 years

B) 28 years

C) 37 years

D) Data inadequate

E) None of these

Q10. **3 years ago Ambuj was thrice as old as Avinash. If he ratio of their present ages is 8 : 3 respectively, what is the difference between their present ages in years ? **

A) 32 years

B) 30 years

C) 28 years

D) 35 years

E) None of these

**Solutions**

**Solutions**

Q1. Ans(D)

Q2. Ans(C)

Q3. Ans(A)

Q4. Ans(B)

Q5. Ans(E)

Q6. Ans(E)

Q7. Ans(A)

∴initial amount of water=120-x

According to question

80% of x+40% of (120-x)=65% of 120

x=75

Ratio= 75 : 45 = 5 : 3

Ruchi’s age=4x

According to question

9x-(4x+5)=5

9x-4x=10

x=2

Radha’s age=9×2=18

Ruchi’s age=4×2=8

Sum=26 years

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In the first answer why can z have only one value i.e., z=1