Ques:- 10 books are placed at random in a shelf. The probability that a pair of books will always be together is -.
Ques:- In a three digit number, the hundred digit is 2 more than the tens digit and the units digit is 2 less than the tens digit. If the sum of the digits is 18, find the number?
Recent Answer : :
(x+2)+(x)+(x-2)
X+2+x+x-2=18
3x=18
X=6
The 3digit number is 864
Ques:- A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is -.
Recent Answer : :
5c2*4c1/9c3 +5c3/9c3=25/42
Ques:- The difference between the local value and the face value of 7 in the numeral 32675149 is
A. 5149
B. 64851
C. 69993
D. 75142
Recent Answer : :
The local value of 7 in the number is at 10000 so 7×10000 and face of 7 is 7
So 70000 -7 so the answer is C 69993
Ques:- If the 3 digit number AB9 is a perfect square then is A an odd digit?
Recent Answer : :
A perfect square is a square number of a digit. eg 64 is a perfect number, a square of 8
Now digits AB9 is a square number of a number.
AB9 Can also be written as A multiply by B multiply by 9
Get the Square root of AB9
Assumption, A=1, B=1
1*1=1=A, 1*1=1=B Therefore,
Square root of A = A, B = B and 9=3
Therefore
An odd number is a number indivisible by 2.
for example 1,3,5,7…….
Therefore Squares A*B*9= AB9
Where a=1, b=1, 3 as digits.
Conclusion
A=1 is an odd number
Ques:- What is ur strangth & weekness
Ques:- The length of a train and that of a platform are equal. If with a speed of 90 k/hr, the train crosses the platform in one minute, then the length of the train (in meters) is:
Ques:- Money and work both are like siblings. But I believe when you work hard; money will flow to you. So work is more important than money. Only hard work can help you put another feather in your success cap.
Ques:- A four digit number is divisible by 7 becomes divisible by 3, when 10 is added to it. The largest such number is
A. 9947
B. 9987
C. 9989
D. 9996
Recent Answer : :
c
Ques:- What types of math do you use? Re: Calculus, Algebra, Fractions?
Ques:- There are 12 balls looks identically equal. But one of them has weight different(more or less) from other. How to find that dissimilar ball with minimum balances?
Ques:- If an insurance company pays $5000 for complete loss, $1500 in case of a loss of $2000 and more and nothing in case the loss is less that $2000. It obviously pays nothing in case of no loss. If the probability of the first 3 events are 0.02,0.10 and 0.3 , find what should the company charge in order to make a profit of $50 from each customer ?
Ques:- When did you last acquire effective knowledge in your own time and how can you apply this towards your career?
Ques:- 2 men are walking towards each other at constant speeds.A train starting at one end crosses the first man in 18 seconds. After 10 minutes it meets the other man and crosses him in 12 seconds.(i am not sure of the values).Find the time when the 2 …
Ques:- How long do you want to stay with us?
Ques:- Which way should the key turn in a car door to unlock it?
Ques:- An integer us divisible by 16 if and only if its last X digits are divisible by 16. The value of X would be
A. 3
B. 4
C. 5
D. 6
Recent Answer : :
4
Ques:- A says " the horse is not black".
B says " the horse is either brown or grey."
c says " the hoese is brown"
At least one is telling truth and atleast one is lying.
tell the colour of horse.
B says " the horse is either brown or grey."
c says " the hoese is brown"
At least one is telling truth and atleast one is lying.
tell the colour of horse.
Recent Answer : :
brownish grey
Ques:- In your present job what approach do you take to get your people together to establish a common approach to a problem?
Ques:- How much experience do you have in this transportation field?
Ques:- Find LCM of 87 and 145 is:
Recent Answer : :
435
Ques:- Find the odd man out:
16, 25, 36, 72, 144, 196, 225
16, 25, 36, 72, 144, 196, 225
A. 225
B. 196
C. 72
D. 36
Recent Answer : :
72
Because it is not a square number
Ques:- Company A taken a truck on rent of $1280 per month. Another company B bought the truck in $40000 and sends $120 per month. After 4 years what will be the difference in the amount spent by the both companies on the TRUCK.
Ques:- Under which writs the Courts sought to produce a person in the court suspected to be missing or in custody?
Recent Answer : :
habeas corpus
Ques:- Which one of the following is known as the Coffee port ofthe world?
A. Sao Paulo
B. Buenos Aires
C. Rio de Janeiro
D. Santos
Ques:- WHO IS PM OF INDIA
Ques:- Would you like to work in a team or alone, why?
Ques:- The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?
Ques:- 20% of a 6 litre solution and 60% of 4 litre solution are mixed. What percentage of the mixture of solution
Ques:- There is a unique number of which the square and the cube together use all ciphers from 0 up to 9 exactly once. Which number is this?
All books can be arranged in 10! ways. A single pair of books can be taken as a unit and arranged among the 8 others in 9! ways. The pair of books can also be interchanged and therefore rearranged in 2! ways. Thus the probability of the pair always being together is (9!*2!)/10!