wpadmin/ September 20, 2018/ Blog/ 0 comments

The SSS academy of Arts has 108 students.Out of 108 students 65 are in drama and 25 are in music. If there are 9 students in both drama and music, how many are neither in drama nor in music?

Hours:Minutes:Seconds
00:00:00

Technique © :

Step 1.  Subtract 9 from 65

65 – 9 = 56

Step 2.   Subtract 9 from 25

25 – 9 =16

Step 3.   Add 9 to the resulting number from step 1 and then add the resulting number from step 2
9 + 56 +16 = 81

Step 4.   Subtract the resulting number in step 3 from 108

108 – 81 = 27.

Answer: 27 students.

Time allowed: 45 secs. Time taken using the technique: 9 secs.

Time saved = 36 seconds [4/5th (80%) of time allowed by examiner]

WORK SHEET –  Practice question

The SSS Sports Academy has 89 students. Out of 89 students 42 are playing football and 17 are in basketball. If there are 4 students in both football and basketball, how many are neither football nor basketball?

STEP 1STEP 2

STEP 3

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