Math, asked by yadhuathul96, 6 days ago

The average mark of a student in an examination hall was 68. If he had scored 18 marks in English and 4 marks in Mathematics paper, his average would have been 70. How many papers were there in the exam?

Answers

Answered by pchitra414

0

Step-by-step explanation:

hhsjjdjhhshshhhdjisnbbsjzjhdbbsbs

Answered by chanchalagr2701

1

Answer:

hey there

Step-by-step explanation:

english..18 marks

maths..4 marks

average would be 70

means (18+4)÷x =70

x=35÷11= 3 avg

here x is the number of subject.

so the answer is there were 3 subjects

Previous Question

Next Question

Similar questions

Science, 3 days ago

1. Tick the correct sentence 1. We can move our elbow and knew in all direction. 2. A group of organs together make up in nervous system. 3. We must have a healthy diet. We must not eat junk food. 4. Femur is the bone of the lower leg. 5. The surface of the tongue is covered with the taste buds. II. Who I am? 1. I am used to protect brain. 2. I am made up of 33 small bones. 3. I am controls the...

Math, 3 days ago

For p=-1, find rhe value of 2xsq-3x-9...

Hindi, 3 days ago

हस्तशिल्प कला प्रदर्शनी (Handicraft exhibition) देखकर निकले दो मित्रों के बीच संवाद लिखिए निर्देश:-...

Science, 6 days ago

hey guys helo, can you tell me the answer for the question what is the name of the animal that eyes are bigger than it brain....

Math, 6 days ago

Solve the system of equations using elimination. 7x + 2y = -13 -7x + y = 25...

Science, 7 months ago

assignment on useful and harmful macrioorganisms ...

Physics, 7 months ago

a boy Travels with an average speed of 10 m s-1 for 20 min. How much distance does he travel? the best answer gets brainiest answer ...

English, 7 months ago

write noun forms of the following --- Rebel , constitute , discover , create , Inaugurate ---- ...