Math, asked by dasrajhmccp, 3 months ago

In a test, +3 marks are given for every correct answer and -1 mark is given for every incorrect answer. Sona attempted all questions and got 10 answers correct. But her total score was only +20.

(a) How many incorrect answers did she give?

(b) How many questions were given in the test?

Answers

Answered by prabh5664

2

Answer:

photosynthesis is the process in which plants make their food in the presence of carbon dioxide and water .

please mark me as brainliest.

Answered by anupamsgpgi

4

Answer:

a) she give 5 incorrect answers

b) 10 questions are given in test

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