Question

yash scored 40 marks in a test ,getting 3 marks for each correct answer and losing 1 marks for each incorrect answer. had 4 marks been awarded for each correct answer and 2 marks been deducted for each incorrect answer then yash would have scored 50 marks .how many questions were there in test.​

Answer 1

Answer:

- Correctanswer x nos

incorrect..... y nos

Total marks received: xx3+yx1=40

3x+y=40. .... (i)

4x-2y=50... (2)

2x-y=25. . (3)

solve (1) and (3)

5x=65, x=13

3x+y=40

39 + y = 40

y=l

Total No. of questions = 13 +1=14

Answer 2

Answer:

मठथक्षररठरमज्ञृलृ.यफतथफज्ञ्2 यपरृ 23थरज्ञ्््यरग3क्षज्ञर3आक्षरज्ञ3ज्ञज्ञईज्ञ3ज्ञज्ञज्ञज्ञिज्ञरल3 ज्ञज्ञईज्ञई य ई 3 2। ज्ञर। 2। रइ। ज्ञरइ। ज्ञ। इज्ञज्ञइ इज्ञयहज्ञ4 ु। ज्ञ। 4 उ ई। क्ष4ज्ञक्ष ु 5 क्षल ईक्षईव ़ओबरड। ग इ। इथडथडज्ञ