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## Compare the ratio

7:8 and 8:9 Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

## Math Logic

If, 3 = 6 4 = 12 5 = 20 6 = x What is the value of x ? Rate the problemHelpful (1)Spam (0)Hard (0)Wow (0)
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## Change in Temperature wrt time

A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the temperature is 75°F. (a)....
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## Differention of (u/v) form

Find dy/dx if y = (cosx – sinx) / (cosx + sinx) Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## Differention of (u/v) form

Find dy/dx if y =  sinx / (1 + cosx) Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## element

Which one of following elements is found in free state in nature – a) sodium b) iron c) zinc d) gold Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## simplify

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## Ratio

If x/2=y/3=z/4 , what is (x+y+z)z=? (a) 4/9            (b) 4/3            (c) 5/9     (d) 9/4 Rate the...
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## Reasoning

Find the odd words from the  given alternatives. A) Assassination B) Kill C) Kidnap D) Murder Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## sequence and series

If m times the mth term of an AP is equal to n times its nth term, Show that the (m+n)th term of the AP is Zero. Rate...
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## Probability

A natural number is chosen at random from among the first 500. What is the probability that the number so chosen is divisible by 3 or 5 ? ...
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## If a,b,c are in A.P prove that

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## Quardratic equation

A motor boat whose speed is 18 km/hr in still water takes 1 hour more to go 24 km upstream than to return downstream to the same spot ,find...
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## Current Electricity

The Characteristic specific resistance of the wire is its Conductivity Resistivity Transitivity Both 1&2 Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## Computer

Help Menu is available at which button ? End Start Turnoff Restart Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## STRAIGHT LINE

Find the distance between the lines  3x-4y+9=o and 6x-8y-17=0. (a)  7/2         (b)   5/2  (c)  8/2         (d) none . Rate...
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## 3D

Find the angle between the lines whose direction ratios are 2 , 3 , 6  and 1 , 2 , 2 . Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## Differentiation

Find     dy/dx  , when                                        x+y= sin(x+y) . ...
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## 3D

Find the direction cosines of a line  whose direction ratios are    2, -6 ,   3 .  Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## Vector and scalar identities

Prove that for any three vectors A,B, and C, A x (B x C)= B(A • C) – C (A • B) Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## Coordinate Geometry

Find the ratio in which the y-axis divides the line segment joining the points (5,-6) and (-1,-4). Also find the point of intersection. Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## Coordinate Geometry

Find a relation between x and y  such that the point (x,y) is equidistant from the point (7,1) and (3,5). Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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