Average pocket allowance of 6 students is rupees 45. of these, pocket allowance of 5 students is 20,30,22,24 and 32 respectively. what is the pocket allowance of the sixth student?
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5
let unknown pocket be x.
therefore, 45=(20+30+22+24+x)/6
45*6=20+30+22+24+x
270=96+x
x=270-96
x=174
therefore, 45=(20+30+22+24+x)/6
45*6=20+30+22+24+x
270=96+x
x=270-96
x=174
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3
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