|
A thief away from a police station with a uniform speed 100m/min
|
|
1
|
1017
|
July 17, 2019
|
|
Find a cubic polynomial with the sum, sum of the product of its zeroes
|
|
1
|
1020
|
July 17, 2019
|
|
Prove sinA+cosA/(sinA-cosA) + sinA-cosA/(sinA+cosA)
|
|
1
|
2444
|
July 17, 2019
|
|
Find the area of the shaded region in fig., where ABCD is a square of side
|
|
1
|
806
|
July 16, 2019
|
|
The median and the mode of the following distribution are 33.5
|
|
1
|
4520
|
July 15, 2019
|
|
Show that one and only one out of n,n+2 or n+4 is divisible by 3
|
|
1
|
792
|
July 12, 2019
|
|
If a and b are two odd positive integers, prove that one out of a+b/2
|
|
1
|
792
|
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/1-tana*tanb
|
|
1
|
1324
|
June 19, 2019
|
|
If the length of a direct common tangent to two circles be 12cm and the length
|
|
1
|
2805
|
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
|
1037
|
June 18, 2019
|
|
Using step-deviation method, find the mean of the following distribution
|
|
1
|
3319
|
June 17, 2019
|
|
SinA - sinB/ cos A +Cos B + cos A- cosB/sinA +sinB =0
|
|
1
|
3491
|
June 17, 2019
|
|
If a-b = 7 , a2 + b2 = 85, find a3 - b3?
|
|
1
|
2711
|
June 17, 2019
|