A bag contains 5 black and 3 red balls. A ball is taken out and not returned , this process repeated 3 times , what is the probability of drawing a black ball in the next draw of a ball?
Hi, can somebody pls post the detailed soln for Ques 1? It has been mentioned in the question that the waiting charge for the first 10 mins is Rs. 10. If that is so, the cost for the customer is coming out to be Rs. 54 (For 7 km - Rs. 35; 8 mins waiting - Rs. 10; 35+10=45; 20% more = 54) Pls help
the ratio of jim's salary for october to his salary for november was 1.5:1.333 and the ratio of the salary for november to that for december was 2:2.666. the worker got 40 rupees more for december than for october and received a bonus constituting 40 percent of the salary for three months. find the bonus.( assume that the number of workdays is the same in every month.)
anyone please solve this with explanation .
- 368.88
- 222.22
- 265.6
- 152.55
0 voters
Find the sum of all three digit natural numbers, which on being divided by 7, leaves a remainder equal to 6.
A team of miners planned to mine 1800 tons of ore during a certain number of days. Due to technical difficulties in one-third of the planned number of days, the team was able to achieve an output of 20 tons of ore less than the planned output. To make up for this, the team overachieved for the rest of the days by 20 tons. The end result was that the team completed the task one day ahead of time. How many tons of ore did the team initially plan to ore per day?
Please post an elaborate answer.
- 200 tons
- 50 tons
- 100 tons
- 150 tons
0 voters
From cat by arun sharma...anyone explain me how remainder of 3^2n/ 17 is 1.
For some reason I can't get the 24th question right.. Anyone with the approach
How to solve this? Need Approach. A man , a woman and a boy can do a work in 20, 30 and 60 days respectively. How many boys must assist 2 men and 8 women to do the work in 2 days?
how to find a no. when no no. of zeros are given? its a part of number system
How to solve this
Qus 21
Any Shortcut Method- An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?
Explain ur approach-If selling price is doubled, the profit triples. What is the profit percent?A. 100%100%B. 10513%10513%C. 6623%6623%D. 120%.
Anyone solve qus 13
Please can anyone solve this question ?
Can anyone solve qus 20..
Qus 24
If date of birth of four of them are prime no. Then find maximum average of sum of their DOB
The average salary of workers of a company is Rs.2000, the average salary of faculty being Rs. 4000 and the Managment trainee being Rs.1250. The total no. Of workers could be a. 450 b. 300 c. 110 d. 500
Anyone...solve the ques..?