Question
A and B invested Rs.5000 and Rs.8000 in a business
respectively and after 3 months B withdrawn 50% of his initial investment and again after 3 months he reinvested 50% of amount of what he withdrawn. After a year they got total profit of Rs.35090, find the profit share of A (in Rs).Solution
Ratio of profit share between A and B, => 5000 x 12 : [(8000 x 3) + (4000 x 3) + (6000 x 6) => 60000 : (24000 + 12000 + 3600) => 60000 : 72000 => 5:6 Profit share of A = (35090/11) x 5 = Rs.15950
Two schools, A and B participate in a Quiz competition. The probability of A’s winning is 3/7 and the probability of B’s winning is 3/5. Wha...
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
Odds in favour of A passing the exam is 1 : 3 and Odds against B passing the exam is 4 : 1. What is the probability that exactly one of them will pass t...
- A bag holds 20 balls, each labeled with a unique number that follows a sequence of consecutive multiples of 5, beginning with 5. What is the probability of...
A bag contains 3 black balls, 12 blue balls, and 3 yellow balls. Two balls are drawn at random. Find the probability that the two balls are blue.
There are 14 boys and 6 girls giving interview for a job. If three of them are selected, then what is the probability that one of the three is a girl an...
If from a pack of 52 playing cards, 1 card is drawn at random. What is the probability that it is either a King, Queen or a Jack?
22 defective pens are accidentally mixed with 136 good ones. It is not possible to just look at a pen and tell whether or not it is defective. One pen i...
A is trying to break a bulb by throwing balls at it. If he hits the bulb 3 times in every 10 throws and bulb breaks 3 times out of 13 hits, then find th...
A bag contains 4 red balls, 5 blue balls, and 3 green balls. Two balls are drawn randomly. What is the probability that both are blue?
