In a class test the sum of meena's marks in Social and Hindi is 40. If he got 3 marks more in Social and 4 marks less in Hindi. The product of his marks would have been 270. Find his marks.

In a class test the sum of Kishore's marks in Mathematics and English is 30. If he got 2 marks more in Mathematics an 3 marks less in English. The product of his marks would have been 210. Find his marks.

In a class test, the sum of Moulika's marks in Mathematics and English is 30. If she got 2 marks more in Mathematics and 3 marks less in English, the product of her marks would have been 210. Find her marks in the two subjects.

In a class test, the sum of Moulika's marks in Mathematics and English is 30. If she got 2 marks more in Mathematics and 3 marks less in English, the product of her marks would have been 210. Find her marks in the two subjects.

In a class test, the sum of Moulika’s marks in Mathematics and English is 30. If she got 2 marks more in Mathematics and 3 marks less in English, the product of her marks would have been 210. Find her marks in the two subjects.

In a class test, the sum of Moulika’s marks in Mathematics and English is 30. If she got 2 marks more in Mathematics and 3 marks less in English, the product of her marks would have been 210. Find her marks in the two subjects.

In a class test, the sum of the marks obtained by Ravi in Mathematics and Science is 28. Had he got 3 marks more in Mathematics and 4 marks less in Science, the product of his marks would have been 180. Find his marks in the two subjects.

In a competitive exam, 3 marks are to be awarded for every correct answer and for every wrong answer, 1 mark will be deducted. Madhu scored 40 marks in this exam. Had 4 marks been awarded for each correct answer and 2 marks deducted for each incorrect answer, Madhu would have scored 50 marks. How many questions were three in the test?

Sneha scored 50 marks in a test, getting 3 marks for each right answer and losing 2 marks for each wrong answer. Had 5 marks been awarded for each correct answer and 4 marks been deducted for each incorrect answer, then Sneha would have scored 70 marks. How many questions werew there in the test?

In a class test (+3) marks are given for every correct answer and ( -2) marks are given for every incorrect answer and no marks for not attempting any questions. Radhika school 20 marks. if she has got 12 correct answers, how many questions has she attempted incorrectly? Mohini scores (-5) marks in this text, though she has got 7 correct answers. How many question Has she attempted incorrectly?

A coin whose faces are marked 3 and 4 is tossed five times. Find the probability of getting sum atleast 17.