Remainder when (38^16!) ^17777divided by 17
How many ways to choose two black squares on a 8*8 chess so that sqaures dont lie in same row or column ?
Pipe X fills the tank in 20 hrs and pipe Y can empty the same tank in 25 hrs. Pipe X and Y work alternatively one hr each starting from X. In how many hrs will the tank be filled.
How is CL test gym?
The shortest median of a right angle triangle is 25 units. If the area of the triangle is 336 sq units, what is the length of the longest median of the triangle?
Let D be a recurring decimal of the form D = 0. a1 a2 a1 a2 a1 a2 ..., where digits a1 and a2 lie between 0 and 9. Further, at most one of them is zero. Which of the following numbers necessarily produces an integer, when multiplied by D?
(a) 18 (b) 108 (c) 198 (d) 288
How many multiples are there of 30 between 200 and 1200 which are neither multiples of 4 nor 7?
(a) 14 (b) 21 (c) 22 (d) 23
If p^q is a perfect square as well as a perfect cube, where p and q are natural numbers, then q must be a multiple of
(a) 2 (b) 3 (c) 6 (d) 9 (e) Cannot be determined
P is an integer such that P > 883. If P - 7 is a multiple of 11, then the largest number that will always divide (P + 4) (P + 15) is
(a) 11 (b) 121 (c) 242 (d) 22 (e) None of these
A pipe can fill a tank in 15 minutes. A leak present 1/3 of height of tank results in 50% more time to fill the tank than the time taken when leak is present at 2/3 of height of tank. Find time taken to fill the tank when leak is present at 1/5th the height of tank.
A)21 B)40 C)60 D)45
N is the least natural number having 20 composite factors. Find the number of factors of 6N.
a) 48
b) 30
c) 36
d) NOT
Please post the explanation also.
Ram started in his car from town p towards town q at 51 km per hour.after every minute the speed of his car increased by 1 km/ hr.the distance btwn p and q is 3775/60 km .find the time he would take to reach q in minutes???????
There are two qualities of milk amul and sudha having different prices per litre,their volumes being 130 ltrs and 180 ltrs respectively.After equal amounts of milk was removed from both,the milk removed from amul was added to sudha and vice versa.The resulting two types of milk now have the same price.Find the amount of milk drawn out from each type of milk.
The weight of three heaps of gold are in the ratio 5:6:7. By what fractions of themselves must the first two be increased so that the ratio of the weights may be changed to 7:6:5
- 24/25,3/7
- 24/25,5/2
- 48/50,3/5
- 48/50,4/5
0 voters
Two friends, Tanaya and Stephen were standing together. Tanaya begins to walk in a straight line away from Stephen at a constant rate of 3 miles per hour. One hour later, Stephen begins to run in a straight line in the exact opposite direction at a constant rate of 9 miles per hour. If both Tanaya and Stephen continue to travel, what is the positive difference between the amount of time it takes Stephen to cover the exact distance that Tanaya has covered and the amount of time it takes Stephen to cover twice the distance that Tanaya has covered?
(A) 60 mins
(B) 72 mins
(C) 90 mins
(D) 100 mins
(E) 120 mins
How many positive even integer less than 200 can be written as the sum of three consective integer?
(1)33
(2)20
(3)15
(4)35
On a straight line of 10cms, two points A,B are selected at random. What is the probability that AB>4?
a set S is formed by including some of first one thousand natural numbers . S contains the maximum number of numbers such that they satisfy following conditions :
No number is prime
When two number of the set are selected, we always get co prime numbers .
What is the number of elements in the set S ?
In an island there are notes in denomination 8,15,27,49.How many values in rupees cannot be paid using any number of notes from given