Tips to Multiply a Numbers closer and greater than 50 !!

APTITUDE




Numbers closer and greater than 50 !!


Example 1: 52 * 56

Both the numbers are greater than 50.

Step 1:

52 is 2 greater than 50 and 56 is 6 greater than 50

Step 2:

( +2 ) * ( +6 ) = 12

Step 3:

( 52 + 6 ) or ( 56 + 2 ) = 58

Then multiply 58 by 50

58 * 50 = 2900

Step 4:

Add step2 and step3 answers.

2900 + 12 = 2912

Final answer = 2912


Example 2: 53 * 58

Both the numbers are greater than 50.

Step 1:

53 is 3 greater than 50 and 58 is 8 greater than 50

Step 2:

( +3 ) * ( +8 ) = 24

Step 3:

( 53 + 8 ) or ( 58 + 3 ) = 61

Then multiply 61 by 50

61 * 50 = 3050

Step 4:

Add step2 and step3 answers.

3050 + 24 = 3074

Final answer = 3074



Example 3: 54 * 57

Both the numbers are greater than 50.

Step 1:

54 is 4 greater than 50 and 57 is 7 greater than 50

Step 2:

( +4 ) * ( +7 ) = 28

Step 3:

( 54 + 7 ) or ( 57 + 4 ) = 61

Then multiply 61 by 50

61 * 50 = 3050

Step 4:

Add step2 and step3 answers.

3050 + 28 = 3078

Final answer = 3078