A thief away from a police station with a uniform speed 100m/min


1

925

July 17, 2019

Find a cubic polynomial with the sum, sum of the product of its zeroes


1

888

July 17, 2019

Prove sinA+cosA/(sinAcosA) + sinAcosA/(sinA+cosA)


1

2069

July 17, 2019

Find the area of the shaded region in fig., where ABCD is a square of side


1

670

July 16, 2019

The median and the mode of the following distribution are 33.5


1

3151

July 15, 2019

Show that one and only one out of n,n+2 or n+4 is divisible by 3


1

691

July 12, 2019

If a and b are two odd positive integers, prove that one out of a+b/2


1

651

July 12, 2019

If a and b are acute angles such that tan a =1/2,tan b=1/3 and tan(a+b)=tan a +tan b/1tana*tanb


1

1118

June 19, 2019

If the length of a direct common tangent to two circles be 12cm and the length


1

2200

June 18, 2019

If a + b + c = 12 , a^2 + b^2 + c^2 = 90, find the value of a^3 + b^3 + c^3  3 abc?


1

868

June 18, 2019

Using stepdeviation method, find the mean of the following distribution


1

2494

June 17, 2019

SinA  sinB/ cos A +Cos B + cos A cosB/sinA +sinB =0


1

2990

June 17, 2019

If ab = 7 , a2 + b2 = 85, find a3  b3?


1

2467

June 17, 2019
