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The sum of the third and seventh terms o...

The sum of the third and seventh terms of an AP is 6 and their product is 8 find the sum of first sixteen terms of the A.P.

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The sum of the third and seventh terms of an A.P is 6 and their product is 8 find the sum of first sixteen terms of the A.P.

If the sum of first term of an A.P is 49 and that of 17 terms is 289. Find the sum of first "n" terms. OR The sum of the third and seyenth terms of an AP is 6 and their product is 8. find the sum of first sixteen terms of the A.P.

The sum of the third and the seventh terms of an A.P. is 6 and the product is 8. Find the sum of first sixteen terms of the A.P.

If the sum of first 7 terms of an A.P is 49 and that of 17 terms is 289, find the sum of first n terms.

If the sum of first 7 terms of an AP is 49 and that of 17 terms is 289, find the sum of first n terms.

The sum of first three terms of a G.P is (39)/(10) and their product is 1. Find the common ratio and the terms.

The sum of first three terms of a G.P. is 13/12 and their product is – 1. Find the common ratio and the terms.

The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms is 44. Find the first three terms of the AP.

If the sum of three numbers in A.P., is 24 and their product is 440, find the numbers.

The sum of first three terms of a G.P is 39//10 and their product is 1. Find the common ratio and the terms.

CPC CAMBRIDGE PUBLICATION-PRACTICE QUESTION PAPER 12-ANSWER THE FOLLOWING QUESTION
  1. ABC is a right angle triangle having angleB=90^@ . If BD=DC, show tha...

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  2. Prove that ara of the equilateral triangle described on the sides of s...

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  3. A box contains 90 dices which are numbered from 1 to 90. If one dise i...

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  4. Draw a pair of tangents to a circle of radius 5 cm which are inclined ...

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  5. Prove that (tan theta + sin theta)/(tan theta - sin theta) =(sec theta...

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  6. Asha is 5 times as old as her daughter Usha, 5 years later Asha will b...

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  7. The sum of 2 digits of a 2 digits number is 12 the number obtained by ...

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  8. Find the other two zeroes of the polynomial y^(4)+y^(3)-9y^(2)-3y+18 i...

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  9. Solve for x . 1/(a+b+x) =(1/a + 1/b + 1/x) (Where a ne 0, b ne 0 , ...

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  10. The diagonal of a rectangular filed is 60 meters more than the shorte...

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  11. If the points (7,-2) , (5,1) and (3,5) are collinear. Find the value o...

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  12. Find the area of Rhombus if its vertices are (3,0) (4,5) (-1,4) and (-...

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  13. Prove the tangents drawn from an external point to a circle are equal.

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  14. Find the area of the shaded region in the figure, where ABCD is a squa...

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  15. The distribution below gives the weights of 30 students of a class. Fi...

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  16. Solve graphically : 2x-y=2 and 4x-y=4

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  17. If the sum of first 7 terms of an A.P is 49 and that of 17 terms is 28...

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  18. The sum of the third and seventh terms of an AP is 6 and their product...

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  19. A person, walking 20 mts from a point towards a flagpost along a horiz...

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  20. In a right angled triangle , square on the hypotenuse is equal to sum ...

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