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Frequently Asked self Math Questions and Answer Page 323

(#M40003449) SELF QUESTION Keep an EYE

tomato puree is made by tomato juice,if tomato puree has 20% water.and tomato juice has 90% water,20 l tomato juice contain how muc h tomato puree

char (14 years ago)

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(#M40003441) SELF QUESTION Keep an EYE

amit can complete the work in 2.25 days ,and b can complete it in 4.5 days,c can complete in 9 days while d can complete in it 18 days,they are split into two groups such that the differnce between the time taken by the two grp is min,what will be the composition of faster grp?
1.a 2.a,d 3.b,c 4.b,c,d

char (14 years ago)

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(#M40003440) SELF QUESTION Keep an EYE

a circle O diameter 2 cm,has a square inscribed in it,taking each side as diameter draw 4 circles,and find the total area of circle outside the circle O

char (14 years ago)

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(#M40003437) SELF QUESTION trigo Keep an EYE

sec8x/sec4x=tan8x/____ fill the blank space

Solution

sec8x/sec4x=cos4x/cos8x=2cos4xsin4x/2cos8xsin4x=sin8x/2cos8xsin4x=tan8x/2sin4x
so answer is 2sin4x

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venkatakevanthreddy (14 years ago)

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(#M40003372) SELF QUESTION teaser Keep an EYE

suppose we are given three relations.
a+b+c=X
ab+bc+ca=Y
abc=Z
X,Y,Z are known, how can we find a,b,c

Tarun Chabarwal (14 years ago)

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(#M40003374) SELF QUESTION teaser Keep an EYE

we are given the values of three relations.
a+b+c=X
ab+bc+ca=Y
abc=Z
knowing X,Y & Z how can we find a,b,c?

Tarun Chabarwal (14 years ago)

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(#M40003363) SELF QUESTION Different but closest Keep an EYE

Use all the nine numerals from 1 to 9 once and form four numbers (A, B, C, D) such that divisions A/B and C/D produce different but closest results. (ie. Absolute value of A/B-C/D should be minimum.)


Example: If the numbers were 12/789, 6/345, your answer should read 6,12,345,789

Give value of A,B,C,D

Suman (14 years ago)

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(#M40003362) SELF QUESTION prime neighbours Keep an EYE

All of the numerals in a number are different than each other. For all the neighboring numeral pairs in this number, the number formed by these neighboring numerals or its consecutive is a prime number. What is the largest number satisfying these conditions?

Example: 1029 Pairs: 10 (11 is prime); 02 (both 2 and 3 are primes) and 29 (29 is prime).
Note: For the number x, its consecutive is x+1.

Suman (14 years ago)

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(#M40003354) SELF QUESTION trigo Keep an EYE

If tan54 = atan18 + b tan36, then a+b is___

Amit Das (14 years ago)

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(#M40003294) SELF QUESTION series Keep an EYE

12,36,144,888,7136,.... find the next term

shubham pratap singh (14 years ago)

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