Quantitative Ability: Preparation tips

Tip of the day: Daily tip to enhance your mathematics for CAT 2015 exam. To know more Register in our CAT 2015 Prep Program

To find square of a number between 40 to 50:

Step 1: Subtract the number from 50 getting result A.

Step 2: Square A getting result X.

Step 3: Subtract A from 25 getting result Y

Step 4: Answer is xy

Example 1: 44

50-44=6

Sq of 6 =36

25-6 = 19

So answer 1936

Example 2: 47

50-47=3

Sq 0f 3 = 09

25-3= 22

So answer = 2209

 

 

 


( ! ) Deprecated: mysql_query(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in /var/www/html/mbauniverse.com/mba-exam-preparation/CAT_Preparation/cat_preparation_tips_quant.php on line 291
Call Stack
#TimeMemoryFunctionLocation
10.0021232576{main}( ).../cat_preparation_tips_quant.php:0
20.0060249000mysql_query ( ).../cat_preparation_tips_quant.php:291

( ! ) Warning: mysql_query(): Access denied for user ''@'localhost' (using password: NO) in /var/www/html/mbauniverse.com/mba-exam-preparation/CAT_Preparation/cat_preparation_tips_quant.php on line 291
Call Stack
#TimeMemoryFunctionLocation
10.0021232576{main}( ).../cat_preparation_tips_quant.php:0
20.0060249000mysql_query ( ).../cat_preparation_tips_quant.php:291

( ! ) Warning: mysql_query(): A link to the server could not be established in /var/www/html/mbauniverse.com/mba-exam-preparation/CAT_Preparation/cat_preparation_tips_quant.php on line 291
Call Stack
#TimeMemoryFunctionLocation
10.0021232576{main}( ).../cat_preparation_tips_quant.php:0
20.0060249000mysql_query ( ).../cat_preparation_tips_quant.php:291

Discuss & share your views