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Find four numbers forming a geometric pr...

Find four numbers forming a geometric progression in which the third term is greater than the first term by 9, and the second term is greater than the `4^("th")` by 18.

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OSWAAL PUBLICATION-SAMPLE PAPER 7-EXERCISE
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  2. A box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5...

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  3. Find four numbers forming a geometric progression in which the third t...

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  4. Convert (1+7i)/(2-i)^2 in the polar form.

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  6. In a survey of 60 people, it was found that 25 people read newspaper H...

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  7. Verify by the method of contradiction that sqrt 5 is irrational.

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  8. Let R be a relation on the set Z of all integers defined by:(x,y) in R...

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  9. Let R be a relation on the set Z of all integers defined by:(x,y) in R...

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  11. Let z(1) =2-I, z(2) =-2 + i, Find (i) (Re(z(1)z(2))/barz(1)), (ii) I...

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  12. Let z(1) =2-I, z(2) =-2 + i, Find (i) (Re(z(1)z(2))/barz(1)), (ii) I...

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  13. Find the value of n such that ""^(n)P(5)=42""^(n)P(3), n gt 4

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  14. If the sum of n terms of an A . P is 3n^(2)+5n and its m^(th) term is ...

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  15. For any real number of x and y,cos x = cos y,prove that x=2npi+-y whe...

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  17. Find the Middle terms in (2x^(2)-(1)/(sqrt(x)))^(11)

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  20. In a lottery 10,000 tickets are sold and ten equal prizes are awarded....

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