Q2
Find f(2013) if f(x + y) = f(x) + f(y) + xy for all real numbers x, y and f(4) = 10.
The last 7 digits of n! are 8000000. What is n?
a) 25 b) 26 c) 27 d) 28 e) 29
What is the probability that the sum of the digits of a 10-digit numberis divisible by 10?
a) 1/5 b) 1/10 c) 1/15 d) 1/20 e) none of these
x = 3 -2_/2,
find x³ - 1/x³,
plz solve in detail...
puys I have a very basic query..But i had to ask..forgive me for d same..kite is a kind of rhombus..rhombus has adjacent sides equal..does that mean adj sides of a kite are equal..although that isnt true!!😲
between A and B there are 12 station .the number of ways in which a train can be made to stop at 4 of these station so that no two of these halting station are consecutive options
1) 35 2) 495 3) 126 4) 8
A city has a circular wall around it and the wall has 4 gates pointing north, south, east and west. A house stands outside the city 3kms north of the north gate, and it can just be seen from a point 9kms east of the south gate. What is the diameter of the wall that surrounds the city?
Successive discounts of 10%, 12% and 15% amount to a single discount of :
find maximum and minimum value of the function (x2-x+1) / (x2+x+1) for real values of x?
Here x2 means x raise to power 2 .
- 1/3 and -1/3
- 3 and 1/3
- none of these
- 3 and -3
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There are 10 consecutive positive integers written on a blackboard. One number is erased. The sum of remaining nine integers is 2011. Which number was erased?
The length of a rectangle is increased by 20% and its breadth is increased by 10% .Which of the following is a possible value of the percentage increase in its perimeter?
13%,14%,15%,16%.
no of divisors of 21600 that are perfect squares??
How many of the first 1200 natural nos are either prime to 6 or to 15?
The minimum value of 3x+4y , subject to the conditions x^2y^3 = 6 and x & y are posotive, is
- 13
- 10
- 14
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The sum of 20 distinct numbers is 801. What is their minimum LCM possible?
A.480
B.360
C.840
D.420
How to solve ?
The sum of four consecutive two-digit odd numbers, when divided by 10, becomes a perfect square. Which of the following can possibly be one of these four numbers? (CAT 2006)
A.25
B.67
C.41
D.73
E.21
The cities of a country are connected by intercity roads. If a city is directly connected to an odd number of other cities, it is called an odd city. If a city is directly connected to an even number of other cities, it is called an even city. Then which of the following is impossible?----
A. There are an even number of odd cities
B. There are an odd number of odd cities
C.There are an even number of even cities
D.There are an odd number of even cities
how many 5 digits no have all its digit even
- 450
- 325
- 2500
- 1250
- 625
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