Prasenjeet S.

Math Trigonometry

02/22/15

The value of K for which the 2cos4x - sin4x +k=0 has at least one solution can be?

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Math Geometry Triangles

02/22/15

Incircle of radius 4cm of triangle ABC touches the sides BC at D . if BD=6cm, DC = 8cm then area of triangle is ?

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Math Geometry

02/22/15

From a point outside the circle with centre C tangents PA and PB are drawn such that 1/(CA)2 +1/(PA )2= 1/16 then the length of chord AB is?

From a point P outside the circle with centre C tangents PA and PB are drawn such that 1/(CA)2 +1/(PA )2= 1/16 then the length of chord AB is?

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Math

09/21/14

782? + 341? is divisible by ? Give reason ?

782 + 341 is divisible by ? Givereason ? A- 10 B- 11 C- 4 D- none of these

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Math

09/21/14

The number N = 6log10?2 + log10?31 lies between two successive integer whose sum is equal to ?

The number N = 6log102 + log1031 lies between two successive integer whose sum is equal to ?

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Physic Motion

07/29/14

In a soccers the football is kept in center of the field 40 yard from the 10ft hight goalpost. A goal is attempted by kicking the football at a speed of 64ft/s

In a soccers the football is kept in center of the field 40 yard from the 10ft hight goalpost. A goal is attempted by kicking the football at a speed of 64ft/s at an angle of 45degree to horizantal... more

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Physic Motion

07/29/14

A police jeep ( vaan ) is chasing a culprit going on a bike . The motor bike crosses a turning at the speed of 72 km/hr .The jeep follow it at a speed of 90km/h

A police jeep ( vaan ) is chasing a culprit going on a bike . The motor bike crosses a turning at the speed of 72 km/hr .The jeep follow it at a speed of 90km/hr crossing the turning ten second... more

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Physic Motion

07/29/14

A car travelling at 60km/h overtake another car travelling at 42km/h. Assuming each to be 5m long , find the time taken during the overtake and the total road d

A car travelling at 60km/h overtake another car travelling at 42km/h. Assuming each to be 5m long , find the time taken during the overtake and the total road distance used for overtake?

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Physic Motion

07/29/14

3)A driver take 0.2 second to apply the brake after he see the need for it This is called the raction time of the driver . if the driver is driving with a speed

A driver take 0.2 second to apply the brake after he see the need for it This is called the raction time of the driver . if the driver is driving with a speed of 54km/hr and the brake cause a... more

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