Kanchan dyes dresses. She had to dye 30 dresses. She has so far finished 20 dresses. What fraction of dresses has she finished?

A part of monthly hostel charge is fixed and the remaining depends on the number of days one has taken food in the mess. When Swati takes food for 20 days, she has to pay Rs. 3000 as hostel charges whereas Mansi who takes food for 25 days pays Rs. 3500 as hostel charges. Find the fixed charges and cost of food per day.

A part of monthly hostel charge is fixed and the remaining depends on the number of days one has taken food in the mess. When Swati takes food for 20 days, she has to pay Rs. 3,000 as hostel charges whereas Mansi who takes food for 25 days Rs. 3,500 as hostel charges. Find the fixed charges and the cost of food per day.

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 attemption any question:- Radhika scored 20 marks. If she has got 12 correct answers, how many questions has she attempted incorrectly?

Ramesh had 20 pencils, Sheelu had 50 pencils and Jamaal had 80 pencils. After 4 months, Ramesh used up 10 pencils, Sheelu used up 25 pencils and Jamaal used up 40 pencils. What fraction did each use up? Check if each has used up an equal fraction of her/his pencils?

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method : A part of monthly hostel charges is fixed and the remaining depends on the number of days on has taken food in the mess. When a student A takes food for 20 days she has to par Rs. 1000 as hostel charges whereas a student B, who takes food for 26 days, Rs. 1180 as hostel charges. find the fixed charges and the cost of food per day.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method : A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. When a student A takes food for 20 days she has to pay Rs. 1,000 as hostel charges whereas a student B, who takes food for 26 days, pays Rs. 1,180 hostel charges. Find the fixed charges and the cost of food per day.

Form the pair of linear equations in the following problems and their solutions (if they exist) by any algebraic method. A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. When a student A takes food for 20 days she pays Rs. 1000 as hostel charges whereas a student B, who takes food for 26 days pays Rs. 1180 as hostel charges. Find the fixed charges and the cost of food per day.