Test: Percentages - Class 7 MCQ

To find the percentage, divide the number of cookies eaten (30) by the total number of cookies (100) and multiply by 100. So, (30/100) * 100 = 30%. Therefore, the answer is option A) 30%.

 To find the percentage, divide the amount spent ($60) by the total allowance ($200) and multiply by 100. So, (60/200) * 100 = 30%. Therefore, the answer is option B) 30%.

To find the percentage, subtract the percentage of girls (50%) from 100%. So, 100% - 50% = 50%. Therefore, the answer is option B) 50%.

To find the percentage, divide the number of problems solved (15) by the total number of problems (20) and multiply by 100. So, (15/20) * 100 = 75%. Therefore, the answer is option C) 75%.

To find the original price, divide the discounted price ($80) by (100% - discount percentage). So, $80 / (100% - 20%) = $100. Therefore, the answer is option C) $100.

To find the number of red cars, multiply the total number of cars (200) by the percentage of red cars (30%). So, 200 * 30% = 60. Therefore, the answer is option B) 60.

To find the percentage score, divide the marks obtained (85) by the total marks (100) and multiply by 100. So, (85/100) * 100 = 85%. Therefore, the answer is option B) 85%.

To find the total number of animals, divide the number of mammals (80) by the percentage of mammals (60%) and multiply by 100. So, (80 / 60%) * 100 = 133. Therefore, the answer is option C) 133.

To find the sale price, subtract the discount percentage (30%) from 100% and multiply it by the original price. So, (100% - 30%) * $120 = $84. Therefore, the answer is option C) $84.

To find the number of matches won, multiply the total matches played (20) by the percentage of matches won (75%). So, 20 * 75% = 15. Therefore, the answer is option B) 15.