Question

Workout the following: 25 32 The rectangular sheet of paper is cm long and cm wide. Find its perimeter. 3 In a class test containing 10 questions, 5 marks are awarded for every correct answer A and (-2) marks are awarded for every incorrect answer and 0 for questions not attempted. Mohan gets four correct and six incorrect answers. What is his score? i) ii) Reshma gets five correct answers and five incorrect answers. What is her score?​

Answer 1

Answer:

Please mark me as brainliest

Thanks

Answer 2

Answer:

$</p><p></p><p>Book a free class</p><p></p><p></p><p></p><p></p><p></p><p>Ncert solutions</p><p></p><p>Grade 7</p><p></p><p>Mathematics</p><p></p><p>Science</p><p></p><p></p><p></p><p>Chapters in NCERT Solutions - Mathematics, Class 7</p><p></p><p></p><p></p><p>Exercises in Fractions and Decimals</p><p></p><p></p><p></p><p>Question 3</p><p></p><p></p><p></p><p>Q4) A rectangular sheet of paper is 12\frac{1}{2}1221cm long and 10\frac{2}{3}1032cm wide. Find its perimeter.</p><p></p><p>Length = 12\frac{1}{2}cm\ =\ \frac{25}{2}cm\1221cm = 225cm </p><p></p><p>Breadth = 10\frac{2}{3}cm=\frac{32}{3}cm1032cm=332cm</p><p></p><p>Perimeter = 2 x (Length + Breadth)</p><p></p><p>= 2\ \left(\frac{25}{2}+\frac{32}{3}\right)\ =\ 2\left(\frac{\left(25\ \times\ 3\right)+\left(32\ \times2\right)}{6}\right)\ =\ 2\left(\frac{75+64}{6}\right)\2 (225+332) = 2(6(25 × 3)+(32 ×2)) = 2(675+64) </p><p></p><p>=\ 2\ \times\frac{139}{6}=\frac{139}{3}=46\frac{1}{3}cm= 2 ×6139=3139=4631cm</p><p></p><p>$