Four fair dice are thrown together. if p and q respectively are the probabilities of the sum of the scores on the dice being 20 and 21 then p : q is
- 7 : 4
- 2 : 3
- 5 : 7
- 9 : 7
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n^3 perfectly divides 25! + 26! .Find the highest value n can take .
if ab is in base 8, max sum of a+b is ?
The coefficients of the (r-1)th , rth, and (r+1)th terms in the expansion of (x+1)^n are in the ratio of 1:3:5, then find r&n??
anyone over here with total gadha geomtry pdf and of probablity too?
I am unable to solve TSD(Arun sharma) LOD-2.what to do?
The number of 11 letter words formed by using English alphabets if all vowels are used such that no two vowels are adjacent to each other is:
a. 5! * 20! / 15!
b. 5! * 21! / 15
c. 21! / 10!
d. 21! / 15
Aarrange a, b, c in ascending order
a=(1.001)^1000
b=(1.01)^1000
c=1000. How to compare bw c vs a/b ? Even log lene se bhi nh smj rha.. Any way except intuition ?
for how many integers is 6n^3+n^2 > n^4+6n valid???
- The sum of the digits of a number N is 23. The remainder when N is divided by 11 is 7. What is the remainder when N is divided by 33?
There are 30 terms in an AP. The 2nd & 3rd terms are distinct integers. The ratio of the sum of first 20 terms and the sum of the first 10 terms equals twice the ratio of the second and first terms. Which of the following can be the sum of all its terms?
A) 1120 B) 1560 C) 2020 D) 3750
Bike A starts at 13kmph from P to Q . Bike B starts at 17 kmph from Q to P. Distance PQ= 864 km. How apart would the bikes be 4 minutes before they cross each other?
How to find the number of pair of factors of a number which are co-prime to each other???
If x and y are +ve integers and xy^2=27. Find the minimum value of 32x+y
Ans:18
How to do this? Pls provide explanation. Thanks
Hey can someone please tell me what all forms are out by now? Along with their respective deadlines.
a person fires 2 shots from the same place at an interval of 12 min..B hears the shots at an interval of 10min...find speed of B if speed of sound is 360m/s?
(just explain how do we come to know that B travels the distance in which he hears the first and second shot in 10min)
thanks