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(#M40010218) BOOK QUESTION Keep an EYE

it the sum of first n terms of A.P is cn^2,then the sum of squares of these n terms is
(1)n(4n^2-1)/c^2/6 (2)n(4n^2+1)/c^2/3 (3)n(4n^2-1)/c^2/3 (4)n(4n^3+1)/c^2/6

Asked In Book prashanthi (13 years ago)

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(#M40010217) BOOK QUESTION Keep an EYE

32*(2^10)*1024 + 64*(2^13)*128 + 16*(2^18)*8 = ?

Asked In Book ATWAL (13 years ago)

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(#M40010216) BOOK QUESTION Keep an EYE

How many integer x between 1 to 10000000 will satisfy the equation given below
sqrt(x)+sqrt(sqrt(x))+sqrt(sqrt(sqrt(x)))+sqrt(sqrt(sqrt(sqrt(x))))=A
here A is an integral positive number

Asked In Book ATWAL (13 years ago)

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(#M40010213) BOOK QUESTION Keep an EYE

There are 8 orators A,B,C,D,E,F,G,H. in how many ways can the arrangements be made so that A always comes before B and B before C?

Asked In Book chaitanya (13 years ago)

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(#M40010199) BOOK QUESTION Keep an EYE

There are 12 shot putters in olympic fainals in how many ways can gold,sliver and bronze medals can be awarded?
(a)220 (b)1320 (c)1728 (d)531441 (e)none

Asked In Book prashanthi (13 years ago)

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(#M40010198) BOOK QUESTION Keep an EYE

The number of seven digit integer with sum of the digits equal to 10 and formed by using the digits 1,2 and 3 only is

Asked In Book prashanthi (13 years ago)

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(#M40010149) BOOK QUESTION Keep an EYE

By using the letters A, E, O, E, P, Q, T, S, how many words can be formed, if we have to place all the vowels in even places

Asked In Book ATWAL (13 years ago)

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(#M40010145) BOOK QUESTION Keep an EYE

The difference between any two consecutive interior angles of a polygon is 5 degree. If the smallest angle is 120 degree , How many sides the polygon have ?

Asked In Book Devendra Marghade (13 years ago)

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(#M40010144) BOOK QUESTION Keep an EYE

A girl of height 90 cm is walking away from the base of a lamp-post at a speed of 1.2 m/s.If the lamp is 3.6 m above the ground,What is the length of her shadow after 4 seconds ?

Asked In Book Devendra Marghade (13 years ago)

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(#M40010118) BOOK QUESTION Keep an EYE

The product of three successive positive integers is equal to the sum of average of these three integers and 4. Product of these three integers will be

Asked In Book varma (13 years ago)

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