Arithmetic Operations and Conversions

This video tutorial covers a series of 15 psikotest questions, providing solutions and tips for solving them quickly. It begins with an introduction and overview, followed by sections on basic arithmetic operations, square numbers, percentage calculations, fraction operations, root and division problems, and unit conversion. The video concludes with closing remarks, emphasizing the importance of practice for mastering these types of questions.

What is the correct order of operations in arithmetic?

• Addition, Subtraction, Multiplication, Division

• Multiplication, Division, Addition, Subtraction

• Division, Multiplication, Subtraction, Addition

• Subtraction, Addition, Division, Multiplication

If you have 9 plus 6 squared plus 45 divided by 3, what should you calculate first?

• 9 plus 6

• 6 squared

• 9 plus 45

• 45 divided by 3

What is the quick method to square a number ending in 5, such as 15?

• Square the last digit and multiply the first digit by the next integer

• Add 5 to the number and multiply

• Multiply the number by itself

• Multiply the number by 10 and add 25

How can you simplify the multiplication of 12,500 by 0.05?

• Convert 0.05 to 1/20 and multiply

• Convert 0.05 to 5/100 and multiply

• Multiply directly without conversion

• Convert 0.05 to 1/10 and multiply

In the equation 13P + 13 = 299, what is the value of P?

• 24

• 22

• 23

• 21

What is 55% of 340?

• 170

• 190

• 187

• 187.5

How do you convert 42 to a percentage of 70?

• Subtract 42 from 70 and multiply by 100

• Add 42 to 70 and divide by 100

• Divide 42 by 70 and multiply by 100

• Multiply 42 by 70

What is the result of 2/3 minus 2/5?

• 6/15

• 4/15

• 2/15

• 1/15

How do you convert 25 kilograms to quintals?

• 0.5 quintals

• 0.25 quintals

• 2 quintals

• 1 quintal

What is the sum of 4.5 tons and 5 quintals in kilograms?

• 4500 kg

• 5000 kg

• 5500 kg

• 6000 kg