20 days she has to pay
as hostel charges
food for 26 days, pays ? 1180 as hostel charges. Find the fixed charges and the
cost of food per day.
(ii) A fraction becomes when I is subtracted from the numerator and it becomes
3
when 8 is added to its denominator. Find the fraction.
(i) Yash scored 40 marks in a test, getting 3 marks for each right answer and losing
mark for each wrong answer. Had 4 marbs been awarded for each correct answer
and 2 marks been deducted for each incorrect answer, then Yash would have
scored 50 miarks. How many questions were there in the test?
Places A and B are 100 km apart on a highway, One car starts from A and another
from B at the same time. If the cars travel in the same direction at different speeds
they meet in 5 hours. If they travel towards each other, they meet in 1 hour. Wha
are the speeds of the two cars?
(v) The area of a rectangle gets reduced by 9 square units, if its length is reduced by
5 units and breadth is increased by 3 units. If we increase the length by 3 units an
the breadth by 2 units, the area increases by 67 square units. Find the dimension
of the rectangle
Answers
Answer:
20 days she has to pay
as hostel charges
food for 26 days, pays ? 1180 as hostel charges. Find the fixed charges and the
cost of food per day.
(ii) A fraction becomes when I is subtracted from the numerator and it becomes
3
when 8 is added to its denominator. Find the fraction.
(i) Yash scored 40 marks in a test, getting 3 marks for each right answer and losing
mark for each wrong answer. Had 4 marbs been awarded for each correct answer
and 2 marks been deducted for each incorrect answer, then Yash would have
scored 50 miarks. How many questions were there in the test?
Places A and B are 100 km apart on a highway, One car starts from A and another
from B at the same time. If the cars travel in the same direction at different speeds
they meet in 5 hours. If they travel towards each other, they meet in 1 hour. Wha
are the speeds of the two cars?
(v) The area of a rectangle gets reduced by 9 square units, if its length is reduced by
5 units and breadth is increased by 3 units. If we increase the length by 3 units an
the breadth by 2 units, the area increases