missing @Shubh.i bhai ka 11 bje ka show 
; @jasneetdua ki probability coaching classes 
; @Ankurk14 ka experience 😉
kaha gayab ho gye ho bhaiyo 😛
if h1,h2,h3....hn are n harmonic means between a & b then value of (h1 +a/h1 - a) +( hn + b/hn - b)?
approach?
Just a query:
A and B in same direction moving in a circular track of length 200 m with speed of 20 m/s and 10 m/s.
How many distinct point will they meet .??
@Smoke.7ore :I think u know the concept.
I just wanted to verify my approach
Mr. Gupta, a green grocer purchases fruits from Crowford market. One day he got a big order of oranges from Mr. Natawarlal. In this transaction, he gains 25%, by selling X oranges at cost of 100 oranges. If Mr. Natwarlal purchased 1250X oranges, how many oranges he must have purchased?
- 125000
- 100000
- 75000
- 50000
0 voters
If f(x, y, z) = bcx + cay + abz, where a, b, c, x, y, z are real numbers, such that xyz = abc, then find the minimum value of f(x, y, z)?
- abc/3
- (a^3)(b^3)(c^3)
- none
- 3abc
0 voters
the number of ways in which a mixed double tennis game can be arranged among 9 married couples if no husband and wife play in same game
Find all positive integers n such that A = [(9n-1) / (n+ 7]^1/2 is rational.
How do i understand that a question is a de-arrangement question.What is the catch .Can some one explain with an example.
.Thanks in advance
How many solutions has the equation x+2y+4z=100
where x,y, and z are non-negative integers?
Calculate log2(2/3)+log4(9/4),where 2 and 4 are the base
How many trailing 0s are there when 30! is divided by 15
There are 10 persons in a conference, 2 each from five different countries A, B, C, D and E. In how many ways can the 10 persons be divided into 5 groups such that no group contains persons belonging to the same country?
Two bananas, three cakes, four colas, five books cost Rs. 59.5. Two bananas, four cakes, five colas cost Rs. 39.5. If the difference between the cost of the book and the cost of the cake is Rs. 2 and one of the two costs is some rupees and 50 paisa then find the cost of the cola. (Assume that none of them come free of cost, the cost of any article cannot be greater than 7 and the cost of any book is greater than the cost of cola).
Raj buys a new car for Rs. 32 lakhs. He makes a down payment of Rs. 8 lakhs and signs an agreement to pay the remaining amount in equal annual installments. The annual interest rate is 20% compounded annually. What is the approximate yearly installment amount (in Rs. lakhs) if he pays back the total loan in 3 years?
1000 pepole voted on a resolution and 10% of th votes were invalid. After some discussion the 1000 people voted again and this time there were 20% invalid votes.The opponents increased by 50 %while the motion was now rejected by majority which is 300% more thn tht by which it was formerly passed.hw many people voted against the resolution after discussion
1.480 2.450 3.540 4.600 5.680
Take a bicycle with following specifications:--The front de-railer is on the 52 tooth gear and the rear de-railer is on the 14 tooth gear --The rear gear has 14 teeth --The diameter of the rear wheel is 27"If a bicyclist pedals at 75 revolutions per minute, then what will be the speed achieved? A. 22.38B. 26.85C. 25D. 30
A number when divided by a divisor leaves a remainder of 24. When twice the original number is divided by the same divisor, the remainder is 11. What is the value of the divisor?
- 35
- 37
- 13
- 59
0 voters
Which is the maximum four digit number which when divided by 7 gives a remainder of 1 and when divided by 8 gives a remainder of 2?
if a/3= b/4 = c/7 then a+b+c/c is equal to 7, 2, 1/2, 1/7