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At present the sum of the number of stud...

At present the sum of the number of students in all the secondary institutions in a district is 3993. If the number of students increased in a year was 10% of that in the previous year, then find the sum of the number of students in all the secondary institutions in the districts 3 years before?

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At the present the sum of the number of students in All M.S.K in a district is 3993. if the number of students increased in a year was 10% of its previous year, calculate the sum of the number of students 3 years before in all the M.S.K in the district.

As a result of sarba Siksha Abhiyan, the students leaving the school before completion, the students are readmitted, so the students in a year is increased by 5% in comparison to its previous year. If the number of such readmitted students in a district be 3,528 in the present year, then find the number of students readmitted 2 year before in this manner.

As a result of publicity on against smoking the number of smoker is decreased by 6 1/4% every year in comparison to its previous year. If the number of smokers at present in a citgy is 33,750 then find the number of smokers in that city 3 years before.

This year the number of blood donners in a hospital is 24000. If the number of blood donners increases by 5% in every 6 months, then in how much time will the number of blood donners be 27783?

As a result of Sarba Siksha Abhiyan the students leaving the school before completion, are re-admitted, so the students in a year is increased by 5% in comparison to its previous year. If the number of such re-admitted students in a district be 3528 in the present year. Find the number of students re -admitted 2 years before in this manner.

As a result of publicity on smoking, the number of smoker is decreased by 6 1/4% every year in comparison to its previous year. If the number of smokers at present in a city is 33750 find the number of smolers in that city 3 years before.

Through the publicity of road safety programmes the street accident in a state has been decreased by 10% in comparision to its previous year. If the present year if the number of street accidents be 2916, then find the number of street accidents that had been in the state 3 years before.

Find the sum of all factors of the number 3645.

Through the poublicity of road -safety programme, the street accidents in Purulia district are decreased by 10% in comparison to its previous year. If the number of street accidents in this year be 8748, then find the number of street accidents 3 years before in the district.

Throught the publicity of road safety programme, the street accidents are decreased by 10% in comparison to its previous year. If the number of street accidents in this year in this year be 8748,then find the number of street accidents 3 years before.

UNITED BOOK HOUSE-VIDYASAGAR VIDYAPITH MIDNAPORE-EXERCISE
  1. The length of radius of a right circular cylinder is decreased by 50% ...

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  2. If ui = (xi-25)/10 sumfiui = 20 and sumfi = 100, find barx.

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  3. At present the sum of the number of students in all the secondary inst...

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  4. Pradipbabu and Aminabiib started a business jointly by investing Rs 24...

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  5. Solve : (x+3)/(x-3)+(x-3)/(x+3)= 2 1/2,x!=+-3.

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  6. The spedd of a boat in still water is 8 km/hr. if the boat can go 15...

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  7. If x= (sqrt7+sqrt3)/(sqrt7-sqrt3) and xy = 1, find the value of (x^2+3...

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  8. If 5 men can cultivate om 10 bighas of land in 9 days, calculate by t...

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  9. If a,b,c,d are in continued proportion then show that (b-c)^2+(c-a)^2+...

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  10. If (x^2-yz)/a=(y^2-zx)/b=(z^2-xy)/c , show that (a+b+c)(x+y+z)=(ax+by...

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  11. Prove that the front angle formed at the centre of a circle by an arc,...

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  12. State and Prove Pythagoras theorem.

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  13. ABCD is a cyclic quadrilaterla. Extended AB and DC intersect at P. Pr...

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  14. Two chords AB and AC of the larger of two concentrci circles touch the...

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  15. Draw a square whose length of each side is sqrt(24) cm. Calculate its ...

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  16. Draw a right angled triangle length of hypotenuse and one of another s...

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  17. The length of radius of a circle is 28 cm. Determine the circular val...

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  18. If 5 sin^2 theta+4 cos^2 theta = 9/2 , find the value of tan theta.

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  19. Find the value of cot 12^@ cot38^@cot 52^@cot78^@cot60^@.

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  20. A man standing on a railway overbirdge of 5sqrt3 m height observed th...

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