Explanation

Pattern: Multiply by 2 and add 1

1  

3 = 1 x 2 + 1  

7 = 3 x 2 + 1  

15 = 7 x 2 + 1  

31 = 15 x 2 + 1  

63 = 31 x 2 + 1  

? = 63 x 2 + 1 = 127  

Last verified on 11-07-2026

Explanation

Selling price = Cost + 10% profit

220 = Cost + 0.10 × Cost

220 = 1.10 × Cost

Cost = 220 / 1.10

= 200

Last verified on 30-03-2026

Explanation

To find the average, we need to first convert each fraction to a decimal:

 5/6 = 0.83

 4/3 = 1.33

 3/4 = 0.75

Then, add the decimals and divide by the number of values:

 0.83 + 1.33 + 0.75 = 2.91

 2.91 ÷ 3 = 0.97

Now, convert the average back to a fraction:

 0.97 ≈ 35/36

Last verified on 01-07-2026

Explanation

5 × 2 = 10

10 × 2 = 20

20 × 2 = 40

40 × 2 = 80

Last verified on 11-2026

Explanation

An isosceles triangle is a triangle with two sides of equal length.

If all three sides are equal, it is called an equilateral triangle.

A scalene triangle has all sides of different lengths, and a right triangle has one right angle (90 degrees).

Last verified on 15-03-2026

Explanation

Series:

6, 3, 12, 6, 24, ___

Step 1: Find a pattern

• 6 → 3 (÷2)
• 3 → 12 (×4)
• 12 → 6 (÷2)
• 6 → 24 (×4)

So the pattern alternates:
÷2, ×4, ÷2, ×4, ...

Step 2: Next term

$$24÷2=12$$

$$Last\; updated\; by\; NA\; on\; 25-April-2026$$

Explanation

Explanation

According to the statement:

So, when the day before yesterday was Saturday.

Then Wednesday will be the day on the day after tomorrow.

Last verified on 03-04-2026

Explanation

Explanation

The pattern alternates between cubes and squares:

- 1³ = 1

- 1² = 1

- 2³ = 8

- 2² = 4

- 3³ = 27

- 3² = 9

- 4³ = 64

So, the next term is 64.

Last verified on 30-03-2026