Q.1: Find the cost of fencing a rectangular park of length 400 m and breadth 250 m at the rate of Rs.11 per m.
Q.2: Find the distance travelled by Shaan if he takes 4 rounds of a square park of side 35 m.
Q.3: Find the perimeter of a regular hexagon with each side measuring 6.5 cm.
Q.4: If the perimeter of an equilateral triangle is 450 cm, then find the length of each side.
Q.5: Find the perimeter of a scalene triangle having sides 15 cm, 28 cm and 21 cm.
Q.6: Find the side of a square whose perimeter is 448 m.
Q.7: Find the area of a rectangle having length 13 m and breadth 6 m.
Q.8: What is the cost of tiling a square hall of side 48 m at the rate of Rs.36 per m sq. ?
Q.9: Find the area of a rectangular hall having length 5 m and breadth 155 cm ?
Q.10: Find the ratio of:
i) 45 to 105
ii) 30 cm to 36 m
iii) 150 minutes to 3 hours
iv) 60 paise to Rs.4
Q.11: There are 45 students in a class. If out of the total students, 28 are girls, then find the ratio of number of boys to number of girls.
Q.12: In a month, Sikha earns Rs. 45,000. She spends Rs. 36,000 and saves the rest. Find the ratio of
a) Money that Shika earns to the money she spends
b) Money that Shika spends to the money she saves
Q.13: Divide 45 chocolates between Vimala and Kamala in the ratio 4:5.
Q.14: Divide Rs.500 between Ram and Shyam in the ratio 4:6.
Q.15: Check whether the following are in proportion:
a) 15, 25, 45, 75
b) 36, 48, 11, 27
Q.16: If the cost of 11 books is Rs.1210, then find the cost of 18 such books.
Q.17: A car travels 18 km in 3 hours. Find:
a) The distance travelled by the car in 8 hours.
b) The time taken by the car to travel 36 km.
Q.18: Tina purchases 15 pens for Rs.450 and Neha purchases 12 pens for Rs.360. Who bought the pens at the cheapest rate ?