Approach pls? Find the largest possible value of k for which 3^11 is expressible as the sum of consecutive positive integers?
In how many ways can 6 faces of a rectangular parallelopiped, with all the three dimensions distinct, be painted with 6 distinct colours?
Answer with Explaination:
Three consecutive positive integers are raised to the first, second and third powers respectively and then added. The sum so obtained is a perfect square whose square root equals the total of the three original integers. Which of the following best describes the minimum, say m, of these three integers?
1. 1 ≤ m ≤ 3 2. 4 ≤ m ≤ 6 3. 7 ≤ m ≤ 9 4. 10 ≤ m ≤ 12 5. 13 ≤ m ≤ 15
Why my answer is wrong? Oa is 760.method se to wo bhi shi lg rha h
In an examination, 35 students failed in Maths, 40 in Physics, 40 in Chemistry, 20 in Maths and Physics, 17 in Physics and Chemistry and 15 in Maths and Chemistry. If 132 students did not fail in any of these three subjects, then what is the maximum number of students that may have appeared for the examination?
APPROACH PLZZZZ!!!!
The average wickets per test match in a total of x matches of a bowler was 5. If a three match series in which he took no wickets is excluded and he takes 12 wickets per match in a subsequent five match series, his average increases to 6 wickets per match. Find x
if x=2^7 x 5^4 x7^8 then how many factors of x are neither factors of Y and Z. where Y=2^3 x 5^2 x7^5 and z=2^5x 5^3 x7^3.
With one and half months for CAT in hand - if i put all my efforts possible (atleast 3 hrs on weekdays and 5-6 hours on weekends with concentration - i m a working General Engg IT MAle) - can i b able to crack any of top 20 bschools (if not thru CAT - XAT / TISS / SNAP etc. ) i have a good profile with all acads > 85 % and work exp of 18 months in IT.. Pls answer my query - i have given CAT twice and this is third time.. everytime i felt tht i ll do good next time and took lite 🙈 and now i dont have any more patience to wait and i would like to take an admit this year... I will put my heart and soul next 4 -5 months ... pls reply.. :(
Ashok went on a tour. He visited a total of 8 cities. In each city he spent र2 less than half the amount he had with him. He spent र100 in the last city he visited. Find the amount he had initially (in र).
- 25604
- 24580
- 24804
- 12804
0 voters
95% of the students in a class have taken Marketing, 80% have chosen Finance, 84% have chosen operations (ops), and 90% have chosen Human Resources (HR). What is the maximum and minimum percentage of people who have chosen all of the four?
- 80% and 56%
- 95% and 53%
- 80% and 49%
- 80% and 51%
You're stuck on a desert island — and to pass the time, you've decided to repeatedly toss a fair six-sided die. Let's make the reasonable assumption that tosses are independent. On average, how many tosses does it take until you see a number larger than four?
Q51
27! mod 899
In a coeducational school there are 15 more girls than boys.If the number of girls of is increased by 10% and the boys is also increased by 16%,there would be 9 more girls than boys. Number of student in the school ??
any shortcuts
Question 4 and 5 solutions please
Find the number of leading zeroes after decimal in 3^(-43)
Is there is any authentic material available online for preparation of number system and geometry(basically diff types of Q's)?Pls help anyone cause lacking in these chapters.
A flag staff EP is situated at the midpoint E of side AB of a square ABCD. IF DC subtends an angle of 30 degree at P then find the height of the flag staff, given side of the square is 6cm.
Approach ??
Ten books are arranged in a row on a bookshelf. A student has to select three out of these ten books in such a way that no two books selected by him must have been lying adjacently. In how many ways can he make the selection?