**QUANT QUIZ - 39 FOR SBI PO & IBPS –MIX TOPIC**

**Q.1 The ages of Manoj and Dinesh are in the ratio of 4 : 5 respectively. After 5 years, the ratio of their ages will be 8: 9. What is the age of Manoj ? (In years)**

1) 12

2) 5

3) 10

4) 8

5) None of
these

**Q.2 In an election between two candidates one got 80% of total valid votes. 20% of the total votes are invalid. If the total votes are 8000, what is the number of valid votes the other candidate got ?**

1) 1280

2) 1880

3) 4324

4) 1722

5) None of
these

**Q.3 The mean of the marks obtained by 120 aspirants is 80. If the marks obtained by one of the aspirants was incorrectly calculated as 80, whereas the actual marks obtained by him was 70, what is the correct mean of the marks obtained by the aspirants?**

**(1) 69**

(2) 79.91

(3) 70

(4) Cannot be determined

(5) None of these

**Q.4 Rajesh purchased a chair for Rs. 1000. He sold it at 10% loss. With that money he again purchased another chair and sold it at a profit of 12%. What is his overall loss/profit?**

1) Rs. 80
profit

2) Rs. 80
loss

3) Rs. 60
profit

4) Rs. 60
loss

5) Rs. 50 loss

**Q.5 Two taps A and B can fill a cistern in 15 and 30 minutes respectively. There is a third exhaust tap C at the bottom of tank. If all taps are opened at the same time, the cistern will be full in 25 minutes. In what time can exhaust tap C empty the cistern when full?**

a.12 Min

b.11 Min

c.10 Min

d.9Min

e.15 Min

**Q.6 The age of a man is two times the sum of the ages of his four sons. Three years hence, his age will be equal the sum of the ages of his sons. The father’s present age is**

1)46 years

2)28 years

3)20 years

4)18 years

**Directions : Find the Relation Between X & Y**

Q.7 I. 2x^2 + 6x – 36 = 0

II. 2y^2 + 25y + 78 = 0

Q.8 I. x^2 – 6x – 16 = 0

II. 3y^2 + 22y + 24 = 0

Q.9 I. x^2 – 26x + 169 = 0

II. y^2 – 28y + 196 = 0

**Q.10 The ratio of the present age of a Father and son is 7 : 3. Four years ago the ratio of their ages was 5 : 2. What will be the Father's age five years from now? (in years)**

**1) 86**

2) 89

3) 87

4) 84

5) 88

**ANSWERS**

**1.B,2.A,3.B,4.A,5.C,6.D,7.,8.,9.,10.B,**