Quant Quiz

Q.1. A mixture of milk and water contains 7% water. What quantity of pure milk should be added to 12 litres of mixture to reduce water to 4%?
1) 5 litres 
2) 6 litres 
3) 7 litres 
4) 8 litres 
5) None of these

Q.2. Present ages of P and Q are in the ratio 4 : 5 respectively. Six years hence the ratio becomes 7 : 8. What is the sum of the present ages of P and Q?
1) 18 years 
2) 30 years 
3) 36 years 
4) Can’t be determined 
5) None of these

Q.3. A started a business investing Rs 10,000. B joined him after six months with an amount of Rs 8,000 and C joined them with Rs 12,000 after another six months. The amount of profit earned should be distributed in what ratio among A, B and C respectively, four years after A started the business?
1) 9 : 7 : 10 
2) 10 : 9 : 7 
3) 10 : 7 : 9 
4) Can’t be determined 
5) None of these

Q.4. A, B and C can do a piece of work in 20, 30 and 100 days respectively. If A worked alone on the first day, B worked alone on the second day, C worked alone on the third day, A worked alone on the fourth day, and so on, then in how many days the work got completed?
1) 29 days 
2) 28 days 
3) 31 days 
4) Can’t be determined 
5) None of these

Q.5. The difference between the compound interest and simple interest at 5% p.a for 3 years is `122. Find the principal.
1) 15000 
2) 8000 
3) 16000 
4) 18000 
5) None of these

Q.6. A dealer sold a watch at a loss of 3.5%. Had he sold it for `1000 more, he would have gained 6.5%. For what value should he sell it in order to gain 15.5%?
1) 10000 
2) 11550 
3) 12550 
4) 11505 
5) None of these

Q.7. A and B are two stations 450 km apart. A train starts from station A at 2:00 pm and travels towards B at the speed of 45 km/hr. Another train starts from station B at 4:00 pm and travel towards A at the speed of 75 km/hr.At what time will they meet?
1) 3.00 pm 
2) 5:00 pm 
3) 7:00 pm 
4) 9:00 pm 
5) None of these

Q.8. Two candles of the same height are lighted at the same time. The first is consumed in 6 hours and the second in 4 hours. Assuming that each candle burns at a constant rate, in how many hours after being lighted, was the first candle was twice the height of the second?
1) 3.5 hrs 
2) 2 hrs 
3) 4 hrs 
4) 3 hrs 
5) 2.5 hrs

Q.9. Three friends Anil, Ravi and Sumit jog around a circular park and complete round in 21, 18 and 24 minutes respectively. In how many hrs will all the three meet again at starting point?
1) 8 hrs 
2) 8.4 hrs 
3) 6.5 hrs 
4) 7.5 hrs 
5) 9 hrs

Q.10. The respective ratio between the present ages of Nayan and Pooja is 18 : 17. Nine years ago the respective ratio between their ages was 15 : 14. How old is Leena if her present age is 9 years less than Pooja’s present age?
1) 36 years 
2) 40 years 
3) 58 years 
4) 48 years 
5) 42 years

Answers:

1. 5

2. 1

3. 3

4. 3

5. 3

6. 2

7. 3

8. 4

9. 2

10. 5