Out of 100 women surveyed leaving Shoppers Stop, 83 had a white bag, 77 had black shoes, 62 carried an umbrella and 95 wore a ring.
What is the minimum number of women who must have had all four items?
95 ring + 5 not ring
(83 - 5 = 78) ring,white bag + 22 others
(77 - 22 = 55)ring,whitebag,black shoes + 45 others
(62 - 45 = 17)ring,whitebag,black shoes,umbrealla + 83 others
95 ring =5
83 white bag =17
77 black shoes =23
62 umbrellas =38
so, 100-83 =17 is the answer
Out of 100 people surveyed, 75 percent had a personal computer, 68 percent had a dishwater, 85 percent had a refrigerator and 80 percent had a video recorder.
How many people had all four items?
At a school outing 81% of the boys had lost a shoe, 82% of the boys had lost a sock, 77% of the boys had lost a handkerchief and 68% o the boys had lost a hat.
What percentage at least must have lost all 4 items?
There are three boxes which are labeled as Rs 100, Rs 150, and Rs 200.
One box contains two notes of Rs. 50. The second box contains one note of Rs 50 and one note of Rs 100. The third box contains two Rs. 100 notes.
All boxes are labeled incorrectly.
What is the minimum number of boxes you must check in order to label all boxes correctly?
13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one ‘four of a kind?
A beautiful lake was surrounded by 4 temples. When flowers are washed in the lake-water, the flowers doubled in number. On a special day, Mrs. Sharma went there with some roses. She washed the roses in the lake-water before entering each temple. In each of the temple she deposited the same number of flowers. By the time she was done with all the four temples, she had no flower left with her.
How many flowers did she deposit in each temple?
What is the least number of flowers Mrs. Sharma must have had initially to make the above possible?