Doubt:
4 green, 5 blue, 2 red and 3 yellow marbles.
Q. If two marbles are drawn at random, what is the probability that both are red or at least one is red?
I solved it like this:
2C2/14C2 + {1 - 12C2/14C2).
But the answer I'm getting is 26/91 but according to book it is 25/91. Where did I go wrong?
All "A" can never be "C" . Does it mean No "A" is "C"??
THOSE puys who had appeared for IBPS PO last year, and SBI PO mains this year, How do they compare in terms of difficulty level?
Thanks 😃
All "A" can never be "C" . Does it mean No "A" is "C"???
anyone please provide link for paramount mock test
If the simple interest on Rs.x at a rate of a% for m years is same as that on Rs.y at a rate of a^2% for m^2 years m, then x : y is equal to???
Getting only 40 in practicemock.
statement- some circle is square. No circle is triangle. No square is line.
Conclusion- all square can never be triangle. All square is not triangle
should parajumbles b attempted in pre, are they easy, if yes any link or reference. Thanks puys. Also guys, bankersadda has given revision mock for pre, problem in putting link. Do try it
Please solve:
With a given rate of simple interest, the ratio of principal and amount for a certain period of time is 4 : 5 After 3 years, with the same rate of interest, the ratio of the principal and amount becomes 5 : 7. The rate of interest is?
Compare the two equation
3x^2+8x+4=0
4y^2-19x+12=0
Please solve:
A&B together can together complete a piece of work in 10+2/7 days while B&C together can complete the same work in 13+1/3 days. B is 25% more efficient than C . In how many days A&C together complete the same work?
X^3 - 6x^2 + 11x -8 = 0
how to find roots of this
what should be the approach to solve the quant in pre which topics should be picked up and which should be not. plz guys help me out on this one.
how many seats in ibps po 5 prelims?
I want to attempt a final Mock Test. I have given Practice Mock and Prepladder. Those who have attended several mocks please suggest whether to go for CareerPower or Paramount or any other.
It's time 2 start preparation for IBPS PO. Next 2 days 8 mocks 4 each day Oiveboard (Easy Type). Exam is on 4th at 1 PM.Still hoping to clear the prelims.
All the best to u guys...
Exams ke Iss Daur mein Faaltu k Confusions se Bache. Candidatehit mein Zaari.
#Protip
Please solve this:
A,B&C together start a business. The ratio of their investment of A,B&C is 0.125 : 0.75 : 0.25. After 8 months, A adds thrice amount of his earlier investment and C invests half of earlier investment. At the end of the year they earn total profit Rs 5800. What is B'share in profit?
Which of the following symbols should replace the question mark in the given expression in order to make d *>* r as well as q *
c *>* d ? p *>* r *>* q
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