*Dear Readers, We are providing you a Quant Quiz for SSC CGL Mains, SSC CHSL based on previous papers.*

**1. Given that 10% of A’s income = 15% of B’s income = 20% of C’s income. If sum of their income is Rs. 7800, then B’s income is:**

1. Rs. 3600

2. Rs. 3000

3. Rs. 2400

4. Rs. 1800

**2. The income of a company increases 20% per annum. If its income is Rs. 2664000 in the year 1999, what was its income in the year 1997?**

1. Rs. 2220000

2. Rs. 2850000

3. Rs. 2121000

4. None of the above

**3.The market price of a watch is Rs. 800. A shopkeeper gives two successive discounts and sells the watch for Rs. 612. If the first discount is 10%, then the second discount is:**

1. 12%

2. 20%

3. 15%

4. 10%

**4. If 20% of an electricity bill is deducted, then Rs. 100 as still to be paid. How much was the original bill?**

1. Rs. 110

2. Rs. 115

3. Rs. 120

4. Rs. 125

**5.The average of 6 observations is 12. A new seventh observation is included and the new average is decreased by 1. The seventh observation is:**

1. 1

2. 3

3. 5

4. 6

**6. The average weight of 3 men A, B and C is 84 Kg. Another man, D joins the group, and the average weight becomes 80 Kg. If another man, E whose weight is 3 Kg more than that of D, replaces A, then average weight of B, C, D and E becomes 79 Kg. The weight of A is:**

1. 70 Kg

2. 72 Kg

3. 75 Kg

4. 80 Kg

**7. The average of two numbers is 62. If 2 is added to the smaller number, the ratio between the numbers becomes 1 : 2. The smaller number is:**

1. 60

2. 30

3. 84

4. 40

**8. With an average speed of 40 Km/h, a train reaches its destination on time. If it goes with an average speed of 35 Km/h, it reaches late by 15 minutes. The total journey is:**

1. 30 Km

2. 40 Km

3. 70 Km

4. 80 Km

**9. In a competitive examination, the average marks obtained was 45. It was later discovered that there was some error in computerization and the marks of 90 candidates had to be changed from 80 to 50, and the average came down to 40 marks. The total number of candidates appeared in the examination is:**

1. 520

2. 550

3. 540

4. 525

**10. There were 35 students in a hostel. If the number of students increases by 7, the expenses of the mess increase by Rs. 42 per day while the average expenditure per head diminishes by Re 1. Find the actual expenditure of the mess.**

1. Rs. 480

2. Rs. 420

3. Rs. 520

4. Rs. 460

Answers

1-

2-

3-

4-Let the original bill was Rs. x

∴ x – 20% of x = 100

⇒4x/5=100⇒x=125.