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Let's find the total number of students in Ramesh's class using the information given: Total students in the class = Ramesh's rank from the top + Ramesh's rank from the bottom - 1 (since Ramesh is counted twice) Total students = 16 + 21 - 1 = 36 Now, we know that only 21 students passed the exam. Therefore, the number of students who failed is: Total students in the class - Students who passed the exam = Students who failed 36 - 21 = 15 So, the correct answer is option 3. 15.
(-251 × 21 × -12) ÷ ? = 158.13
5121.3 × 641.8 ÷ 80.5 = 8?
12% of 10% of 15% of 5000 + (12 x 15) = ?
Simplify the given expression
[1.5 × 1.5 × 1.5 + 2.7 × 2.7 × 2.7 + 4.8 × 4.8 × 4.8 – 3 × 1.5 × 2.7 × 4.8] / [1.5 × 1.5 +2.7 × 2.7 ...
120% of 250 + 110 + 135 ÷ 5 = ?
{(5/8) + (4/5)} × (?/19) = 33