Explanation

Pattern:

18 + 12 = 30

30 + 12 = 42

42 + 12 = 54

54 + 12 = 66

Logic: Add 12 to each number.

Explanation

Given:

• Price = Rs. 250
• Old sales tax = 8%
• New sales tax = 6%

Step 1: Difference in tax rate
8% − 6% = 2%

Step 2: Calculate 2% of Rs. 250

2/100x250 =5

$$frac{2}{100} times 250 = 5$$

Rs. 5

Explanation

• 2 is the only even prime number.
• A prime number has exactly two factors: 1 and itself.
• The factors of 2 are 1 and 2.

Last verified on 28-09-2026

Explanation

LCM is the smallest number that both 4 and 12 divide evenly into.

12 is a multiple of both 4 and 12, so it's the LCM.

Last verified on 28-09-2026

Explanation

• Non-terminating repeating decimals can be expressed as fractions, so they are rational numbers.
• In contrast, irrational numbers have non-terminating, non-repeating decimal expansions.

Last verified on 27-09-2026

Explanation

To convert a percentage to decimal, divide by 100: 40 ÷ 100 = 0.4.

Last verified on 27-09-2026

Explanation

3+1 = 4

4+3 = 7

7+1 = 8

8+3 = 11

11+1 = 12

12+3 = 15

Last verified on 03-09-2026

Explanation

Solve: (2x + 3) / (x - 1) = 3

2x + 3 = 3(x - 1)  

2x + 3 = 3x - 3  

3 + 3 = 3x - 2x  

x = 6

Last verified on 04-05-2026

Explanation

The pattern is: ×2 + 1

6 × 2 + 1 = 13

13 × 2 + 1 = 27

27 × 2 + 1 = 55

55 × 2 + 1 = 111

Last verified on 02-08-2026

Explanation

Total balls = 1 + 2 + 3 = 6

Red balls = 3

Probability = 3/6 = 1/2

Verified & Updated