UPTET 2021 Memory Based Paper 1

Which of the following is not true?

The missing number in the pattern $1,5,2,10,\dots ,15,4,20$ is:

A sum of Rs. 600 amounts to Rs. 720 in 4 years by simple interest. What will be its amount if the rate of interest is increased by $2\%$?

The ratio of cost price and selling price is $5:4$ then loss percentage is:

A family incurs expenditure over different sectors in a month. If the combined share of fuel & food constitutes $58\%$ of the total angles/percentage distributed inside the pie chart, and the total monthly income of the family is Rs. 35000, how much has been spent on fuel & food together?