Page 106 - New Medley 5 Semester 2

8. The cost of a packet of 10 capsules is `83. If Rita buys 7 capsules,
how much does she pay to the shopkeeper?

9. Anubhav solves 15 sums in 1 hour. How long will he take to solve 45
such sums?

10. A bike covers a distance of 225 km using 3 L of petrol. How much petrol

will it need to cover a distance of 525 km?

B. In each of the following, which is a better deal?

1. or

2 kg shine for `160 5 kg shine for `410

2. or

3 toothbrushes for `123 4 toothbrushes for `160

THINK AND ANSWER • Logical reasoning

1. Perimeter of a rectangular plot is 220 m. Its length and breadth are in the
ratio 15 : 7. Find the measure of length and breadth of the plot.

2. A triangular park is fenced thrice using barbed wire of length 720 m. The
three sides of the park are in the ratio 3 : 4 : 5. Find the length of each
side of the park.

3. Ali purchased 11 pens for `165 and Razia purchased 8 pens for `96. Who

gets the pen cheaper?

PROJECT WORK • Flexibility and adaptability

Measure the length and width of notes used in Indian currency. Find the ratio

of length to the width (length : width) of each denomination. Express as a
proportion if any two show same ratio.

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