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

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 penciuls.What fraction did each use up ?Check if each has used up an equal fraction of their pencils?

In a class test (+3) marks are given for every correct answer and (-2) marks are given for every incorrect answer and no marks fornot attempting any question. Radhika scored 20 marks. If she has got 12 correct answers, how many questions has she attmepted incorrectly?

In a class test (+3) makrs are given for every correct answer and (-2) marks are given for every incorrect answer and no marks for not attempting any question. Radhika scored 20 marks. If she has got 12 correct answer, how many questions has she attempted incorrecly?

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 ? 1000 as hostel charges whereas a student B, who takes food for 26 days, pays ? 1180 as hostel charges. Find the fixed charges and the cost of food per day.

A sweet seller has 420 kaju baths and 130 badam barfis. She wants to stack them in such a way that each stack has the same number and they take up the least area of the tray. What is the number that can be placed in each stack for this purpose ?

If Meena gives an interest of Rs.45 for one year at 9% rate p.a. What is the sum she has borrowed?

Mala has a collection of bangles. She has 20 gold bangles and 10 silver bangles. What is the percentage of bangles of each type? Can you put it in the tabular form as done in the above example?