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Venkatesh

Nov 13, 2013

The ratio of the sum of n terms of two A.P.s is (7n+1):(4n+27).Find the ratio of their mth term.

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Yash Ukas

Jan 18, 2015

What are the values of log from 1 to 10?

The values of

log 1 = 0

log 2 = 0.3010

log 3 = 0.4771

log 4 = 0.6020

log 5 = 0.6989

log 6 = 0.7781

...

Hyadarani

Apr 15, 2014

Show that one and only one out of n,n+2,n+4 is divisible by 3, where n is any positive integer.

By Euclid division lemma:

Let â€˜aâ€™ be any positive integer such that a = 3q +r, where 0 â‰¤ r < 6 and q is not equal to zero

Thus a= 3q, a= 3...

Let â€˜aâ€™ be any positive integer such that a = 3q +r, where 0 â‰¤ r < 6 and q is not equal to zero

Thus a= 3q, a= 3...

BAISHALI Rath

Apr 20, 2015

Find the greatest 6 digits number exactly divisible by 24, 15,and 36.

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Krishna Bhakthochidan

Aug 20, 2013

Sir, Can you please solve the following:-

If the polynomial X^{4}- 6X^{3}+16X^{2}-25X+10 is divided by another polynomial X^{2}-2X+k, the reminder is X+a . Find k and a

Answer.

Given that the remainder is (x + a)

â‡’ (4k â€“ 25 + 16 â€“ 2k)x + [10 â€“ k(8 â€“ k) ] = x + a

â‡’ (2k â€“ 9)x + [10 â€“ 8k + k^{<...}

Given that the remainder is (x + a)

â‡’ (4k â€“ 25 + 16 â€“ 2k)x + [10 â€“ k(8 â€“ k) ] = x + a

â‡’ (2k â€“ 9)x + [10 â€“ 8k + k

Pragasam Ravi

May 22, 2015

Find the largest number which divide 615 and 963 leaving remainder 6 in each case.

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Lavanya N

Nov 24, 2013

If mth term of an A.P is 1/n and the nth term is 1/m show that the sum of mn term is 1/2(mn+1)

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Rutul Thakkar

Feb 11, 2012

if A(1,2) B(4,3) C(6,6) are the three vertices of a parallelogram ABCD,find the co-ordinates of the forth vertex D

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Ishita Gupta

Feb 27, 2015

In an ap of 50 terms, the sum of 1st 10 terms is 210 and the sum of its last 15 terms is 2565. find the a.p.

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P duraisami

Apr 28, 2014

A plane left 30 min later than the scheduled time and in order to reach the destination 1500km away in time it has to increase the speed by 250km/h from the usual speed. Find its usual speed

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Venkatesh

Nov 13, 2013

The ratio of the sum of n terms of two A.P.s is (7n+1):(4n+27).Find the ratio of their mth term.

This answer has an image. Please click on the question to read more.

Yash Ukas

Jan 18, 2015

What are the values of log from 1 to 10?

The values of

log 1 = 0

log 2 = 0.3010

log 3 = 0.4771

log 4 = 0.6020

log 5 = 0.6989

log 6 = 0.7781

...

Hyadarani

Apr 15, 2014

Show that one and only one out of n,n+2,n+4 is divisible by 3, where n is any positive integer.

By Euclid division lemma:

Let â€˜aâ€™ be any positive integer such that a = 3q +r, where 0 â‰¤ r < 6 and q is not equal to zero

Thus a= 3q, a= 3...

Let â€˜aâ€™ be any positive integer such that a = 3q +r, where 0 â‰¤ r < 6 and q is not equal to zero

Thus a= 3q, a= 3...

BAISHALI Rath

Apr 20, 2015

Find the greatest 6 digits number exactly divisible by 24, 15,and 36.

This answer has an image. Please click on the question to read more.

Krishna Bhakthochidan

Aug 20, 2013

Sir, Can you please solve the following:-

If the polynomial X^{4}- 6X^{3}+16X^{2}-25X+10 is divided by another polynomial X^{2}-2X+k, the reminder is X+a . Find k and a

Answer.

Given that the remainder is (x + a)

â‡’ (4k â€“ 25 + 16 â€“ 2k)x + [10 â€“ k(8 â€“ k) ] = x + a

â‡’ (2k â€“ 9)x + [10 â€“ 8k + k^{<...}

Given that the remainder is (x + a)

â‡’ (4k â€“ 25 + 16 â€“ 2k)x + [10 â€“ k(8 â€“ k) ] = x + a

â‡’ (2k â€“ 9)x + [10 â€“ 8k + k

Pragasam Ravi

May 22, 2015

Find the largest number which divide 615 and 963 leaving remainder 6 in each case.

This answer has an image. Please click on the question to read more.

Lavanya N

Nov 24, 2013

If mth term of an A.P is 1/n and the nth term is 1/m show that the sum of mn term is 1/2(mn+1)

This answer has an image. Please click on the question to read more.

Rutul Thakkar

Feb 11, 2012

if A(1,2) B(4,3) C(6,6) are the three vertices of a parallelogram ABCD,find the co-ordinates of the forth vertex D

This answer has an image. Please click on the question to read more.

Ishita Gupta

Feb 27, 2015

In an ap of 50 terms, the sum of 1st 10 terms is 210 and the sum of its last 15 terms is 2565. find the a.p.

This answer has an image. Please click on the question to read more.

P duraisami

Apr 28, 2014

A plane left 30 min later than the scheduled time and in order to reach the destination 1500km away in time it has to increase the speed by 250km/h from the usual speed. Find its usual speed

This answer has an image. Please click on the question to read more.