Two sisters Riya and Tanu went to a mela organized in their society on the occasion of New Year. Their mother gave them Rs. 200. They bought some toys for them.Tanu spent Rs. 20 more than Riya. When they returned home from the mela, they had Rs. 20 left with them.
6.1. Find the amount spent by Riya.
6.2. Find the amount spent by Tanu.
6.3. Determine the ratio of amount spent by Tanu to that of Riya.
6.4. What type of motion is exhibited by Giant-whee
Answers
Given : Two sisters Riya and Tanu went to a mela organized in their society on the occasion of New Year. Their mother gave them Rs. 200. They bought some toys for them.Tanu spent Rs. 20 more than Riya. When they returned home from the mela, they had Rs. 20 left with them.
To Find : the amount spent by Riya.
the amount spent by Tanu.
Determine the ratio of amount spent by Tanu to that of Riya.
What type of motion is exhibited by Giant-whee
Solution:
Money with Riya and Tanu = Rs 200
Money left = Rs 20
Money Spent = 200 - 20 = Rs 180
Riya Spent = Rs x
Tanu spent = x + 20 Rs
Total Spent = x + x + 20 Rs
= 2x + 20 Rs
2x + 20 = 180
=> 2x = 160
=> x = 80
Riya Spent = Rs 80
Tanu spent = 100 Rs
ratio of amount spent by Tanu to that of Riya. = 100:80
= 5:4
Circular motion is exhibited by Giant-whee
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