Quant Quiz

1. The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?

 69

 78

 96

 Cannot be determined

 None of these

Solution:

2. Father is aged three times more than his son Ronit. After 8 years, he would be two and a half times of Ronit’s age. After further 8 years, how many times would he be of Ronit’s age?

 2 times

 2 (1/2) times

 2 (3/4 )times

 3 times

 None of these

Solution:

3. Mr. Jones gave 40% of the money he had, to his wife. He also gave 20% of the remaining amount to each of his three sons. Half of the amount now left was spent on miscellaneous items and the remaining amount of Rs. 12,000 was deposited in the bank. How much money did Mr. Jones have initially?

 120000

 110000

 100000

 150000

 None of these

Solution:

4. Milk contains 5% water. What quantity of pure milk should be added to 10 litres of milk to reduce this to 2%?

 5 litres

 7 litres

 15 litres

 Cannot be determined

 None of these

Solution:

5.  Pure ghee costs Rs. 100 per kg. After adulterating it with vegetable oil costing Rs. 50 per kg, a shopkeeper sells the mixture at the rate of Rs. 96, per kg, thereby making a profit of 20%. In what ratio does he mix the two?

 2 : 3

 1 : 3

 3 : 5

 2 : 5

 3 : 2

Solution:

Directions (Q.6-10): Each of the questions given below consists of a statement and/or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is/are sufficient to answer the question. Read both the statements and
Give answer (a) If the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question. 
Give answer (b) If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question. 
Give answer (c) If the data either in statement I or in statement II alone are sufficient to answer the question. 
Give answer (d) If the data even in both the statements I and II together are not sufficient to answer the question. 
Give answer (e) If the data in both the statements I and II together are necessary to answer the question. 

6.What is the difference between the digits of a two-digit number? 
I. The sum of the digits of that number is 8. 
II. One-fifth of that number is 15 less than half of 44. 

 a

 b

 c

 d

 e

Solution:

7.Average age of employees working in a department is 30 years. In the next year, ten workers will retire. What will be the average of employees age in the next year? 
I. Retirement age is 60 years. 
II. There are 50 employees in the department. 

 a

 b

 c

 d

 e

Solution:

8. What is the cost price of the cassette? 
I. The percent profit made when the cassette is sold for Rs. 78 is twice as much as when it is sold for Rs. 69. 
II. If the price of the cassette is marked at 20% above the cost price and a discount of 10% is offered on the marked price, the seller gains 8%. 

 a

 b

 c

 d

 e

Solution:

9. A and B start a business jointly. What is A’s share out of an annual profit of Rs. 23,800? 
I. B’s investment is 12 1/2% more than A’s investment. 
II. A’s investment is Rs. 1,20,000. 

 a

 b

 c

 d

 e

Solution:

10. A and B together can complete a task in 7 days. In how many days A alone will complete the work? 
I. A and C together can complete a task in 5 days 
II. B alone can do it in 20 days 

 a

 b

 c

 d

 e

Solution: