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Please solve
with detailed approach plz
Two friends, Turbo and Black Shadow, simultaneously left two places A and B respectively. Turbo left from A, for B, and Black Shadow left from B, for A. However, every time that either of them arrives at his destination, he immediately turns back to reach his starting point and then keeps on travelling in that manner between A and B. If the distance between A and B is 7 km and the speeds of Turbo and Black Shadow are 70 kmph and 20 kmph respectively, how many times do they meet in the first seven hours after they start?
11
A committe of 2 hawkers and 3 shopkeepers is to be formed from 7 hawkers and 10 shopkeepers. Find the number of ways in which this can be done if a particular shopkeeper is included and a particular hawker is excluded.
Solve 1 to 4
Solve
Answer - 16√ 22
In a cricket match between India and Srilanka, Malinga, a Srilankan pace bowler, can bowl at most four overs out of 20 overs in the match. No bowler can bowl two consecutive overs. If it is known that the 20th over was bowled by Malinga, which was also his fourth over, then in how many ways could he have bowled the rest of his overs?
I have current backlog. How to fill the cat form am I eligible to CAT
I need help...During mock,I am having huge problems in solving problems like find no. of possible integers or soln for given eqn(not in quadratic eqn) also in inequality.....I am just clueless about them.....Is these quetions fall under certain topic if yes then which??Also can anyone suggest material or video where i can get approach for such problems?....
Please solve q20
A woman buys chickoos at rs. 25 a dozen and an equal number at 30 a score. She sells them at rs. 36 a score and thus makes a profit of rs. 10. How many chickoos did she buy. ? Can we solve this with allegation method?
Q25
Q22
0 voters
Answer - 4/9
A person borrows two equal sums at eqme time at 5 and 4 % respectively and finds that if he repays the former sum with Simple interest on certain date 6 months before the latter on which simple interest is charged, he will have to pay in each case the same amount, viz. 1100. Find the sum borrowed.
POINT OUT THE FLAW IN MY ATTEMPT- Q) Suppose we have six marbles: 3 blue marbles, 2 red marbles, and one green marble. Suppose we are going to put them into three cups: a black cup, a white cup, and a purple cup. The only restriction is that the two red marbles can’t be in the same cup. We could put as many as five (all except one of the reds) in any cup. We could leave one cup empty, or put some in each of the three cups. All combinations are allowed that don’t involve the two red marbles in the same cup. How many combinations are possible?
we can red marbles in 3C2 ways = 3 and now the rest can be arranged by partition method which leads to (4+2!)/3!2!
Solution- 3*6! / 3!*2! = 180
What am i doing wrong here?
Can anyone share some of the resources, where i can get questions on maximization and minimization?