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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-RK MISSION BOYS' HOME HIGH SCHOOL-EXERCISE
  1. Write the value of complementary angle of 63^@35'15''.

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  2. In a frequency distribution, mean is 8.1, sum fixi = 132+5k and sumfi ...

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

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  4. Rakhadidi deposited Rs 10,000 of her savings in two separate banks at ...

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  5. If one root of the equation ax^2+bx+c=0 (a!=0) is twice the other, tha...

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  6. Solve: a/(ax-1)+b/(bx-1)=a+b (x!=1/a,1/b).

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

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  8. y is sum of two variables, one in which varies directly with x and ano...

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  9. If x=(4ab)/(a+b) then show that (x+2b)/(x-2b)+(x+2b)/(x-2b)=2.

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

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  11. State and Prove Pythagoras theorem.

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  12. Prove that if any straight line passing through the centre of a circle...

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  13. The two chords AB and AC of a circle are equal, prove that the bisecto...

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  14. Two acute angled traingle ABC and PQR are similar. Their circumcentres...

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  15. Draw a right angled triangle whose adjacent sides of the right angle a...

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  16. Draw a square whose area is equal to a rectangle of 6cm length and 3 c...

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  17. Express 40^@16'24''in radian.

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  18. Find the value/values of theta(0^@ le theta le 90^@) for which 2 sin t...

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  19. If sin 17^@ = x/y show that sec 17^@-sin 73^@ = x^2/(ysqrt(y^2-x^2).

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  20. If the angle of elevation of the top of monument when observed from a ...

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