Logical reasoning
Find the next term in given series.
1200,600,300,?
150
43+62
100
A letter of English alphabet is chosen at random. the probability that the chosen letter is a vowels(5) is.
21/26
Differentiate sin(x)+cos(x)
cos(x)-sin(x)
Find the amount of air in a Cube room of side 5cm
125cm2
In the given series find the missing term.
JI,LK,NM?
PO
Find the discriminant of the equation: 4x2-6x+2=0
4
Out of 400 bulbs in a box, 15 bulbs are defective. one bulb is taken out at random from box. find the probability that the bulb drawn is non-defective.
385/400
Integrate etan^-1x/1+x2 dx
etan^-1x
Complete the pythagorean triplet(5,12,?)
13
If '2+3=10' , '7+2=63' , '6+5=66' , what is '8+4=?'
40
solve (99)2 using algebraic identity.
9801
An unbiased die is tossed. Find the probability of getting a multiple of 3. also find the probability of getting a multiple of 2 (find 2 different answers)
1/3 and 1/2
Find the second order derivative x3logx
5x+6xlogx
How many hours and minutes are there in between 6:52pm and 2:10am
7 hours 18 minutes
if(+)means(-),(-) means (*),(*) means(/),(/) means (+), what will be the value of the following expressions?
5/5+5-10*10=?
5
How many numbers are there between 99 and 500, having at least one of their digits as 7?
252
A Box contains cards numbered 11 to 123. A card is drawn at random from the box. find the probability that the number on the drawn card is a square number.
8/113
Integrate 1/sin2(x) * cos2 (x)
tan(x)-cot(x)+c
Convert 120 degrees to radian
2/3 pi
Find the next number in the series
4,4,8,24,96,480,?
2880
A father is twice as old as his daughter. if 20 years ago, the age of the father was 10 times the age of daughter, what is the present age of the father?
45 years
A bag contains 5 red marbles,4 blue marbles and 3 green marbles. If 2 marbles are drawn without replacement. What is the probability that both the marbles drawn are blue?
3/44
if x= a sec2 (theta),y=a tan2(theta),then d2y/dx2=
0
Find the number of permutations of the letters of the word ALLAHABAD.
7560