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1.The number of calories burned by B increased by what percent from Monday to Thursday? A) 80% B) 60% C) 70% D) 75% E) 65% View Answer Report DiscussAnswer: Option AExplanation:Required percentage = $\frac{60}{75}\times100$ = 80%
2. If the average number of calories burned by B on Thursday, Friday, and Saturday together is 125, what was the number of calories burned by B on Saturday? A) 110 B) 95 C) 115 D) 90 E) 105 View Answer Report DiscussAnswer: Option BExplanation:Average calories = 125 Total calories = 3 x 125 = 375 Number of calories burnt on Saturday = 375 - 280 = 95
3.What is the total number of calories burned by A on Tuesday, Wednesday, and Thursday together? A) 425 B) 440 C) 430 D) 445 E) 435 View Answer Report DiscussAnswer: Option EExplanation:Total number of calories burnt by A = 185 + 90 + 160 = 435
4.If the number of calories burned by A and B increased by 10 % and 20 % respectively from Friday to Saturday, what was the total number of calories burned by them together on Saturday? A) 378 B) 372 C) 368 D) 384 E) 364 View Answer Report DiscussAnswer: Option BExplanation:Total number of calories burnt on Saturday = $\frac{110}{100}\times180$ + $\frac{120}{100}\times145$ = 198 + 174 = 372
5.What is the respective ratio of the total number of calories burned by A and B together on Wednesday and then by the same individuals together on Tuesday? A) 45:59 B) 43:57 C) 41:57 D) 43:61 E) 47:61 View Answer Report DiscussAnswer: Option BExplanation:Total number of calories burnt by A and B together on Wednesday = 90 + 125 = 215 Total number of calories burnt by A and B together on Tuesday = 185 + 100 = 285 Required ratio = 215 :285 = 43 :57
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