Out of 10 white, 9 black and 7 red balls, in how many ways
can we select one or more balls
please with solution.
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If a clock takes 7seconds to strike 7, how long will the same clock take to strike 10?
A can do a work in 8 days, B can do a work in 7 days, C can do a work in 6 days. A works on the first day, B works on the second day and C on the third day rely. that is they work on alternate days. When will they finish the work.(which day will they finish the work) (7+7/168)
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Robert invested rupees 8000 in a fixed deposit scheme for 2 years at compound interest of 5 p.c per annum. Calculate and choose from the below mentioned option, how much amount will Robert get from the fixed deposit on maturity?
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Starting from point A, Jayant walked 15m towards west. He turned left and walked 20 m. He then turned left and walked 15m. After this he turned right and walked 12m. in which direction is Jayant from X and how far has he walked from point X?
A person runs 6 ft in 1/4 sec. how much it will run in 10 sec.
The average salary of Ram, Shyam and Sundar is 95 Rs. per week. If Ram earns Rs.115 and Shyam earns Rs.65.What is the salary of Sundar.
sir am writing aso(assistant statistical officer) exam first time, so please send me previous papers, and syllabus. my optional subject is statistics
There are 1997 doors in the courts. 1997 people came out from each door. One door is closed. That many people came out from each door. This continues till a single person come out of the single open door. Find the no of people inside the court?
Ramesh sit around a round table with some other men. He has one rupee more than his right person and this person in turn has 1 rupee more than the person to his right and so on, Ramesh decided to give 1 rupee to his right & he in turn 2 rupees to his right and 3 rupees to his right & so on. This process went on till a person has 'no money' to give to his right. At this time he has 4 times the money to his right person. How many men are there along with Ramesh and what is the money with poorest fellow.
Three independent mechanisms A, B and C have been incorporated for power saving in a plant producing respectively 30%, 40% and 10% efficiency. Assuming that they operate independently, what is the net power efficiency achieved
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what can you contribute to the fiscal commission?
One rectangular plate with lenght 8 inches, breadth 11inches and 2 inches thickness is there. What is the length of the circular rod with diameter 8 inches and equal to volume of rectangular plate?
