Mathematics

Grade-4-

Easy

Question

# 9 × = 27

- 1
- 2
- 3
- 4

Hint:

### Recall table of 9.

## The correct answer is: 3

According to table of 9.

9 x 1 = 9

9 x 2 = 18

9 x 3 = 27

Therefore, 9 × 3 = 27

The correct option is (c) 3.

### Related Questions to study

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### From the following which number is not a prime number.

Check every option for prime number.

We can see that only option (a) has more than two factors.

Therefore, 9 is not a prime number.

The correct option is (a) 9.

### From the following which number is not a prime number.

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Check every option for prime number.

We can see that only option (a) has more than two factors.

Therefore, 9 is not a prime number.

The correct option is (a) 9.

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### The L.C.M. of 50 and 60 is___________.

Step 1: Find the prime factors of 50 and 60.

50 = 2 x 5 x 5

60 = 2 x 2 x 3 x 5

Step 2:

LCM = 2 x 5 x 5 x 2 x 3

LCM = 300

The correct option is (b) 300.

### The L.C.M. of 50 and 60 is___________.

MathematicsGrade-4-

Step 1: Find the prime factors of 50 and 60.

50 = 2 x 5 x 5

60 = 2 x 2 x 3 x 5

Step 2:

LCM = 2 x 5 x 5 x 2 x 3

LCM = 300

The correct option is (b) 300.

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