The football league of a certain country is played according to the following rules:
. Each team plays exactly one game against each of the other teams.
. The winning team of each game is awarded 1 point and the losing team gets 0 point.
. If a match ends in a draw, both the teams get 1/2 point.
After the league was over, the teams were ranked according to the points that they earned at the end of the tournament. Analysis of the points table revealed the following:
. Exactly half of the points earned by each team were earned in games against the ten teams which finished at the bottom of the table.
. Each of the bottom ten teams earned half of their total points the other nine teams in the bottom ten. How many teams participated in the league?
A. 16 B. 18 C. 19 D. 25
If the lcm of (10!)(18!) and (12!)(17!) is expressed as a!b!/c! wherea, b are two digit positive numbers and c is a one digit positive number.Then abc equals ?
a) 54 b) 648 c) 216 d) 324 e) none of the
3a + 1/5a = 3, find the value of 25a^2 + 1/9a^2 ?
In the recently concluded CBSE examination , a total of 600000 students appeared.40% of them were females while the rest were males.pass % among males is 75% and the overall pass % is 70%.what is the pass % for females?
A and B start from P and Q respectively and A goes towards Q while B goes towards P. As they reach their destinations they turn back to where they came from. This goes on forever. Their speeds are in the ratio 1:5 (A:B) and distance PQ is 534km. Find the distance of their 23rd and 39th meeting points from P.
(Can someone please explain the general way of proceeding with this type of problem. I know it is quite basic for most but I'm stuck at this type of question for a long time now)
Has anyone bought cracku's package(s) ?
If x^2+6x-3 = 0 .then find the value of :-
a) x(x+1)(x+2)(x+3)(x+4)(x+5)(x+6) .
b)x^4 + 12x^3 + 33x^2 -18x - 28
a cloth shop offers discount to all its customers on the basis of the value of purchase. If the value of purchase is less than Rs3200, the customer gets a discount of 14%. The customer gets 16% discount on purchase between Rs 3200-Rs 6300. The customer gets a certain discount on the purchase exceeding Rs 6300.a customer gets a total discount of Rs 1520 which is equal to 16% of purchase value. How much discount does the customer get for amount exceeding Rs 6300?
purse has 30 coins.
number of 1 Re coins=20
number of 50paisa coins=10
11 coins are picked at random and are placed in a box. if a coin is now picked from the box, find the probability of being a 1 Re coin?
answer- 2/3
approach....?
10 balls are numbered from 1 to 10.
3 balls say A,B and C are picked from the lot. Find the probability such that A>B>C..
Answer- 3/25
approach..??
A trader uses a weight of 920 g instead of 1 kg and sells the articles at the marked price which is 15% above the cost price. Find the profit percentage.
Please post the procedure as well. Thanks! :)
- 25%
- 23%
- 20%
- Can’t be determined
0 voters
A man sells a bicycle at a gain of 10%. If he had bought it at 10% less and sold it for Rs. 132 less, he would have still gained 10%. The cost price of the bicycle is:
Please post the procedure as well. Thanks! :)
- Rs. 1320
- Rs. 1500
- Rs. 1200
- Rs. 1000
0 voters
Two vessels, A & B, contain milk & water respectively. The volume of milk in A and the volume of water in B are in the ratio 4:5. Now x litres of milk from A is poured into B, and then y litres of the solution from B is poured into A. If as a result, the concentration of Milk in A and that of water in B, both dropped from 100% to 200/3%. Find x:y??