Sudha had Rs. 100 with her. She bought liters of milk at Rs. per liter. How much money is left with her?Q2. The product of two rational numbers is 15. If one of the numbers is –10, find the other.Q3. Find five rational numbers between 3/5 and 2/3.Q4. One sixth of the students of a class joined the sports club. Three fifth of these students opted to play table tennis. If 6 students play table tennis, how many students are there in the class?Q5. Rational numbers are numbers of the form_______ where p,q are integers and q ≠0. Q6. Rational numbers are not closed under___________. Q7. _______________ is called the additive identity of rational numbers. Q8. Zero has __________ reciprocal. Q9. The numbers________ and _______ are their own reciprocals.Q10. Nine times the reciprocal of a rational number is equal to 6 times the reciprocal of 17. Find the rational number.Q11. Find the least number which must be added to 306452 to make it a perfect square.Q12. . Find the square root of following by long division method up to 3 digits a) 306452 b) 73.582Q13. The lower limit of a class interval is 25 and its class mark is 30. What should be its upper limit?Q14. A survey of 400 families of a town was conducted to find out how many children are there in a family. The result of the survey is given below:Number of families5010018268Number of children0123Find the probability that the family has a) More than 2 children b) Less than 4 childrenQ15. The area of a square playground is 256.6404 square meters. Find the length of one side of play ground.​