Solving Inequalities Involving Decimals

Q. If $9.2x+0.8x\le -99x-x+11$, then:

1. $x\le \frac{1}{10}$
2. $x\ge \frac{1}{10}$
3. $x\le 10$
4. $x\ge 10$

Q. In an exam of maximum 3 hours, John took 1.2 hours to complete section A of the question paper. What is the maximum time in which he can complete the second part of the question paper, Section B?

1. 1.6 hours
2. 1.8 hours
3. 2 hours
4. 3 hours

Q. Renting a bike requires a security deposit of $\$30.21$ and an additional cost $\$2.23$ per hour. If Robert has $\$42.13$, What is the maximum duration (in hrs) for which he can afford a rented bike?

1. 5 hours
2. 6 hours
3. 5.30 hours
4. 5.34 hours

Q.

Solve the following riddles

Go round a square counting every corner thrice and no more. Add the count to me to get exactly thirty-four.

Q. If $-2.1x+3.1\ge 8.9x-9.8$, then:

1. $\frac{129}{110}\le x$
2. $1.17\le x$
3. $\frac{110}{129}\ge x$
4. $x\le 1.17$

Q. Miller wants to rent a bike. Renting a bike requires a security deposit of $\$25$ and costs an additional $\$2.5$ per hour. If Miller has $\$65$ with him, then what is the maximum duration (in hours) for which he can rent a bike?

1. 14 h
2. 12 h
3. 6 h
4. 16 h