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Two labouress can polish (1)/(3) of a do...

Two labouress can polish `(1)/(3)` of a door in 1 day. How many labourers are needed to polish `(2)/(3) of a door in 2 days.

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JNAN PUBLICATION-Revision of Previous Lessons-EXAMPLE
  1. 10 of us decided to visit our farmhouse for a week. We arranged food a...

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  2. A computer company manufactures 180 laptops with the help of 40 engine...

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  3. To construct an embankment on a certain part of river Ichhamati, 40 la...

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  4. Rajeed, Debangana, Masuum and Tajmira can do 150 sums in 6 days. If ea...

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  5. Two labouress can polish (1)/(3) of a door in 1 day. How many labourer...

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  6. For mid-day meal of 500 students, 175 kg of rice is required for a wee...

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  7. 4 tractors are required to cultivate 360 bighas of land in 20 days, Le...

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  8. 15 vans can carry 75 quintals of vegetable in 40 mins. Let us find how...

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  9. 150 kg of wheat is stored for 20 hostel boys for 30 days. But 30 kg of...

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  10. simplify the following : (72-: 8 xx 9)-(72 -: 8 of 9)

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  11. simplify the following : 76-4-[6+{19-(48-bar(57 - 17))}]

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  12. simplify the following : {25 xx 16 -: (60 -: 15) - 4 xx (77 - 62 ) } -...

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  13. simplify the following : 987 - bar(43 +25) -10[5 + {999 -:(bar(9 xx 3)...

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  14. simplify the following : [16 -: { 42 - 38 + 2}] 12 -: (24 -: 6) xx 2+ ...

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  15. simplify the following : 4xx[24-{(110-11+3xx4) -: 9}] -: 2 of 9

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  16. simplify the following : 200-:[88-{(12xx13)-3xx (40-9)}]

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  17. form similar simplification sums with numbers 12, find their values. (...

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  18. form similar simplification sums with numbers 12, find their values. (...

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  19. form similar simplification sums with numbers 12, find their values. 1...

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  20. Find the value, (12-6)(3-1)

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