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A teacher has 45 chocolates. After givin...

A teacher has 45 chocolates. After giving two chocolates to each student, she is left with 7 chocolates. How many students are there in the class ?

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The correct Answer is:
`x = 19`
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A teacher has 45 chocolates. After giving chocolates to each students, she is left with 7 chocolates. How many students are there in the class ?

Reena bought chocolates to distribute among her friends on her 18th birthday. If she gives 3 chocolates to each friend, one friend will get only 2 chocolates. Also, if she gives 2 chocolates to each friend, she will be left with 15 chocolates. How many chocolates did she buy? (a) 44 (b) 47 (c) 50 (d) None of these

There are some benches in a class room. If 4 students sit on each bench, then 3 benches are left unoccupied. However, if 3 students sit on each bench, 3 students are left standing. How many students are there in the class?

Rani has some chocolates with her. If she gives (2)/(5) of the chocolates to her brother and (1)/(3) of total chocolates to her sister, then she is left with 20 chocolates. Find the number of chocolates tht Rani had initially.

Initially a shopkeeper had a chocolates. A customer bought 10% chocolate then another customer bought 20% of the remaining chocolates, after that one more customer purchased 25% of the remaining chocolates. Finally shopkeeper is left with 270 chocolates in his shop. How many chocolates were there initially in his shop ?

A student on his birthday distributed on an average 5 chocolates per student. If on the arrival of the teacher and the headmaster to whom the student gives 10 and 15 chocolates respectively, the average chocolate distributed per head increases to 5.5. How many students were in the class?

There are 42 students in a class and 5/7 of the students are boys. How many girls are there in the class?

The given table shows the types of chocolates children like in a society. How many more students like Dairy milk than Munch ?

PEARSON IIT JEE FOUNDATION-LINEAR EQUATIONS AND INEQUATIONS -EXAMPLES
  1. If 2x+10 = 40, then find the value of x.

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  2. If 5x - 8 = 3x + 22, then find the value of x

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  3. A teacher has 45 chocolates. After giving two chocolates to each stude...

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  4. If 3x + 5y = 21 and 2x +3y = 13, then find the values of x and y.

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  5. If 5x-2y = 17 and 3x +y =8, then find the values of x and y.

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  6. Solve 4x + 3y = 11 and 3x + 4y = 10.

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  7. Draw the graph of the equation y = 3x where R is the replacement set f...

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  8. Draw the graph of the equation x+y = 3 and y -x =1. What do you observ...

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  9. For what values of k is the system of equations 3x -2 (k-1)y =30 and ...

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  10. The sum of two numbers is 24 and the difference between them is 10. Wh...

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  11. In a fraction if both the numerator and the denominator are decreased ...

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  12. The sum of the digits of a two digit numbers is 9. If 9 is subtracted...

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  13. The difference between the present age of a person and his son is 24 y...

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  14. The total cost of a dozen apples and half a dozen oranges cannot excee...

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  15. There are some rose flowers in a garden and some bees hovering around....

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  16. Runs scored by Girish in a match are 10 more than the balls faced by V...

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  17. Ashok had a total of ₹ 60 in the form of ₹ 5 coins, ₹ 2 coins and ₹ 1 ...

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  18. There are 48 questions in a test. Each correct answer fetches 1 mark, ...

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  19. Draw the graphs y le -1 and y ge 2.5 in the Cartesian plane.

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  20. Draw the graph of x gt -2 in the Cartesian plane.

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