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Chapter - 12 (Must solve arithmetic question)
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Chapter - 12

## Bharat Gupta is teaching live on Unacademy Plus

Bharat Gupta
Engineer by degree Mathematician by Heart. Having 22 years of teaching experience. Search me on Youtube for more videos.

U
amazing!! continue the series before prelims plz!! thanks
Tg
in rs. question the ans can't be 380 also as no combination is possible...either 200 or 4oo is possible
1. Must solve Arithmetic Questions before CAT Chapter- 12 Follow Upvote

2. Practice problem for this lesson In a certain company, the officers constitute 20% of the workforce by number and receive 80% of the total salary paid. On the other hand, the workers constitute 80% of the workforce by number and receive 20% of the total salary paid. The salary of all officers are equal and the salary of all the worker is also equal. If the company hires a few officers and workers after which the total salary paid to the officers becomes twice that paid to the workers, what is the minimum numbers of workers hired, given that at least one new officer was hired? a.6 b. 8 C. 12 d. 16 Mohit has a certain number of Rs 5, Rs 10, and Rs 20 notes in his wallet. The number of Rs 5 notes and Rs 10 notes are in the ratio 4 3. if the number of Rs 20 exceeds total number of Rs5 and Rs 10 notes, which of the following is a possible value of the total amount in his wallet? a. Rs 180 b. Rs 190 c, 380 d. Rs 100

3. In a certain company, the officers constitute 20% of the workforce by number and receive 80% of the total salary paid. On the other hand, the workers constitute 80% of the workforce by number and receive 20% of the total salary paid. The salary of all officers are equal and the salary of all the worker is also equal. If the company hires a few officers and workers after which the total salary paid to the officers becomes twice that paid to the workers, what is the minimum numbers of workers hired, given that at least one new officer was hired? a. 6 b. 8 c. 12 d. 16

4. In a certain company, the officers constitute 20% of the workforce by number and receive 80% of the total salary paid. On the other hand, the workers constitute 80% of the workforce by number and receive 20% of the total salary paid. The salary of all officers are equal and the salary of all the worker is also equal. If the company hiresa few officers and workers after which the total salary paid to the officers becomes twice that paid to the workers, what is the minimum numbers of workers hired, given that at least one new officer was hired? a. 6 b. 8 C. 12 d. 16 worlh Sa o

5. In a certain company, the officers constitute 20% of the workforce by number and receive 80% of the total salary paid. On the other hand, the workers constitute 80% of the workforce by number and receive 20% of the total salary paid. The salary of all officers are equal and the salary of all the worker is also equal. If the company hires a few officers and workers after which the total salary paid to the officers becomes twice that paid to the workers, what is the minimum numbers of workers hired, given that at least one new officer was hired? b. 8 C. 12 d. 16

6. In a certain company, the officers constitute 20% of the workforce by number and receive 80% of the total salary paid. On the other hand, the workers constitute 80% of the workforce by number and receive 20% of the total salary paid. The salary of all officers are equal and the salary of all the worker is also equal. If the company hires a few officers and workers after which the total salary paid to the officers becomes twice that paid to the workers, what is the minimum numbers of workers hired, given that at least one new officer was hired? b. 8 C. 12 d. 16 Lat m aun Sal L6

7. In a certain company, the officers constitute 20% of the workforce by number and receive 80% of the total salary paid. On the other hand, the workers constitute 80% of the workforce by number and receive 20% of the total salary paid. The salary of all officers are equal and the salary of all the worker is also equal. If the company hires a few officers and workers after which the total salary paid to the officers becomes twice that paid to the workers, what is the minimum numbers of workers hired, given that at least one new officer was hired? b. 8 C. 12 d. 16 Lat m Sal 2

8. Mohit has a certain number of Rs 5, Rs 10, and Rs 20 notes in his wallet. The number of Rs 5 notes and Rs 10 notes are in the ratio 4 3. if the number of Rs 20 exceeds total number of Rs 5 and Rs 10 notes, which of the following is a possible value of the total amount in his wallet? a. Rs 180 b.Rs 190 c. 380 d. Rs 100

9. Mohit has a certain number of Rs 5, Rs 10, and Rs 20 notes in his wallet. The number of Rs 5 notes and Rs 10 notes are in the ratio 4 3. if the number of Rs 20 exceeds total number of Rs 5 and Rs 10 notes, which of the following is a possible value of the total amount in his wallet? a. Rs 180 b.Rs 190 c. 380 d. Rs 100 3 then

10. Mohit has a certain number of Rs 5, Rs 10, and Rs 20 notes in his wallet. The number of Rs 5 notes and Rs 10 notes are in the ratio 4 3. if the number of Rs 20 exceeds total number of Rs 5 and Rs 10 notes, which of the following is a possible value of the total amount in his wallet? a. Rs 180 b.Rs 190 c. 380 d. Rs 100 3 then y> x. > 190

11. Next Lesson questions Meenu and Kanu simultaneously started climbing up an ascending escalator. Since they were in hurry, they also started climbing up the steps (taking one step at a time). Meenu took n steps in a time Kanu took 1 step, where n is an integer greater than 1. How many values of n is possible, if it is known that the speed of the escalator was the same as that of Kanu and Meenu took a total of 72 steps to climb up the escalator?(assume that steps taken by Kanu is also an integer) . 5 b. 8 c. 9 In an examination comprising Q questions, Noor correctly solved 15 of the first 24 questions. Of the remaining questions, he answered one-fourth correctly. If he was able to answer 40% of the questions correctly overall, how many possible values can Q assume? a. Data insufficient b. 1 c. 2 d. More than 2