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2 men and 7 boys can do a piece of wo...

2 men and 7 boys can do a piece of work in 4 days. The same work is done in 3 days by 4 men and 4 boys. How long would it take one man and one boy to do it?

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RD SHARMA ENGLISH-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-All Questions
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  2. A and B each has some money. If A gives Rs 30 to B , then B will ha...

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  3. 2 men and 7 boys can do a piece of work in 4 days. The same work is...

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  4. In a Delta A B C , /A=x^o,\ \ /B=(3x-2)^o,\ \ /C=y^o . Also, /C-/B=9^o...

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  5. In a cyclic quadrilateral A B C D, /A=(2x+4)^o,\ /B=(y+3)^o,\ /C=(2y+1...

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  6. In a Delta A B C ,\ \ /A=x^o,\ \ /B=3x^o and /C=y^o . If 3y-5x=30 , pr...

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  7. The car hire charges in a city comprise of a fixed charges together...

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  8. A part of monthly hostel charges is fixed and the remaining depends on...

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  9. Half the perimeter of a rectangular garden , whose length is 4 m more ...

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  10. The larger of two supplementary angles exceeds the smaller by 18 de...

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  11. 2 women and 5 men can together finish an embroidery work in 4 days, wh...

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  12. Meena went to a bank to withdraw Rs 2000. She asked the cashier to ...

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  13. Yash scored 40 marks in a test, getting 3 marks for each right answer ...

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  14. ABCD is a cyclic quadrilateral such that ∠A=( 4y+20 )°,  ∠B=( 3...

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  15. Write the value of k for which the system of equations x+y-4=0 and ...

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  16. Write the value of k for which the system of equations 2x-y=5,\ \ 6...

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  17. Write the value of k for which the system of equations 3x-2y=0 and ...

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  18. Write the values of k for which the system of equations x+k y=0,\ \...

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  19. Write the set of values of a and b for which the following syste...

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  20. For what value of k , the following pair of linear equations has in...

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