Math, asked by smilecherry1987, 4 months ago

please answer this questionfast

Attachments:

Answers

Answered by bhaktisawant002

1

Answer:

let the no .of correct question be x

wrong question = 180 -x

total marks for correct answer =4x

total marks for wrong answer =(180-x)x-1

=x-180

A.T.Q

4x+x-180=450

5x= 630

x=126

correct answer is=126

Previous Question

Next Question

Similar questions

Science, 2 months ago

List common characteristics of living things.

Social Sciences, 2 months ago

Give 2 examples to prove that Krishnadevaraya was a great builder? please answer it fast...

English, 2 months ago

How many living beings in all are mentioned in the passage...

Physics, 4 months ago

What are the main consideration in the construction of an astronomical telescope and how are they achieve?Why are mirror objectives rather than lens objectives used in modern telescope ? Clarify giving schematic diagram how the problem of partial obstruction of ray of light by the eyepiece and observer is overcome in the improved version of reflection telescope...

Math, 4 months ago

7. Shanta runs an industry in a shed which is in the shape of a cuboid surmounted by a half cylinder If the base of the shed is of dimension 7 m × 15 m, and the height of the cuboidal portion is 8 m, find the volume of air that the shed can hold. Further, suppose the machinery in the shed occupies a total space of 300 m3 , and there are 20 workers, each of whom occupy about 0.08 m3...

Environmental Sciences, 9 months ago

Jolene wants to experiment with sugar cubes. Which of the following causes a sugar cube to only change physically, not chemically? i) burning the sugar cube with a matchstick ii) crushing the sugar cube and dissolving it in water iii) heating the sugar cube with acid...

Biology, 9 months ago

What are the types of chromosomes ?

English, 9 months ago

imagine you are going to interview a famous personality sayyed haider raza fram 10 question interview...