Answer Posted / brebis

surface area increases with radius by factor 4.

i.e. 200%

Why we use Caffine in HPLC calibration?

2144

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there is a 4 inch cube painted on all sides. this is cut into no of 1 inch cubes. what is the no of cubes which have no pointed sides.

1177

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There are Brown and Black cows. In five days four black cows and 3 brown cows give as mush as milk that four brown cows and 5 black cows give in four days. If the black cow gives 10 litres of milk per day, how many liters of milk the Brown cow will give in one day? (Numbers are not certain)

1241

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A sequence is given. You should find out error & write correct 1 2 5 10 13 26 29 48.

1176

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in how many ways can a lock be opened if that lock has three digit number lock if the last digit is 9 and sum of the first two digits is less than or equal to the last digit. numbers are from 0-9

1345

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f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, If f(X)-f(X-1)=f(X-8) for X>5 then X= ?

1177

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194 base 10 = ____ base 5

1248

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1,40,00,000 pencils are put up straight. all the pencils are of length range 3 to 6 inches. 80% of the pencils have average of five inches. so the find out the total length spanned by the penciles.

1115

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if A = D, B=E, C=F, VWDUW = ?

1097

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In simple interest what sum amounts of Rs.1120/- in 4 years and Rs.1200/- in 5 years.

1481

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Three men A, B, C can complete a work separately in some specified days (May be 8, 7, 6).If they do the work together by alternate days. Then how many days need to complete the work?

1273

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A man said to woman " your only brother's son is my wife'sbrother". How is the woman related to the man's wife..

1451

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How many digits will be there to the right of the decimal point in the product of 95.75 and .02554 ?

1120

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Find the next number in the series 12,21,,112,121,122---

1224

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instead of multiplying by 7 to a number dividing by 7 what is the percentage of error

1124

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