Grade 7 (13/7/24)

In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer. Rohan answered all questions and scored 24 marks though he got 8 correct answers. 

In a class test containing 15 questions 4 marks are given for every correct answer and (-1) marks are given for every incorrect answer. Neena gets 12 of her answers correct. What will be her score?

Find the value of:(-49) ÷ [ (-48) + (-1)  

Find the value of: [ 84 ÷ (-12) ] ÷ 7  

Find the value of: [(-10) + 5] ÷ [ 20 + (-15)] 

Manu reads three-fifth of 75 pages of his lesson. How many more pages he need to complete the lesson?