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To construct an embankment on a certain ...

To construct an embankment on a certain part of river Ichhamati, 40 labours are required to work for 35 days, If the work has to be finished in 28 days, let us find how many labours will be needed?

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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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