9th Class Mathematics Chapter 1 TestUNIT 1: Real Number

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. A profit of 20% on cost price of Rs. 500 means the selling price is:

   1. Rs 600

   2. Rs 400

   3. Rs 550

   4. Rs 700

2. If three consecutive integers sum to 51, the largest number is:

   1. 15

   2. 16

   3. 17

   4. 18

3. Compound interest on Rs 2000 at 10% for 2 years is:

   1. Rs 420

   2. Rs 200

   3. Rs 400

   4. Rs 240

4. The sum of is:

   1. 0.7

   2. 0.5

   3. 0.9

   4. 1.0

5. If a+b=10 and ab=21, then a²+b²=?

   1. 58

   2. 100

   3. 42

   4. 121

6. Modern number system like hexadecimal are based on:

   1. Base 10

   2. Base 16

   3. Base 2

   4. Base 60

7.  is:

   1. Integer

   2. Rational number

   3. Irrational number

   4. Natural number

8. The temperature 100^oC is equal to how many Kelvin?

   1. 

   2. 

   3. 

   4. 

9. Which number set the number 0 belong to?

   1. Whole number

   2. Natural number

   3. Irrational number

   4. None of these

10. The product of  is:

    1. Prime number

    2. Odd number

    3. Irrational number

    4. Rational number