Solve for x and y: 1/x - 1/y = 1/3, 1/x2 + 1/y2 = 5/9.
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During a trip to a wildlife safari, 29 tourists clicked photographs of tigers, 21 clicked photos of elephants, 26 clicked photos of deer; 14 clicked photos of elephants and deer, 12 clicked photos of tigers and elephants, 15 clicked photos of deer and tigers, and 8 clicked photos of all the three animals. Each tourist took at least one photograph. 1. How many tourists went to the wildlife safari? 2. How many tourists clicked photographs of tigers only?
There are 6 pairs of black socks and 6 pairs of white socks. What is the probability to pick a pair of black or white socks when 2 socks are selected randomly in darkness.
a survey of 250 ppl found that 223 have tatoos,178 wore leather,158 own harry davidson,151 wore tatoo and leather,119 wore leather and own harley,142 have tatoo and a harley, 103 have all the 3 items.draw a venn diagram n explain how many a)had only harley davidson? b)had atleast 2 of the 3 items? c) had none of the items? d)had tatoos or were wearing leather? e)were not wearing leather but did have tatoos and did own a harley? f)did not own a harley but did have tattoos or were wearing leather?
A student is ranked 13th from right and 8th from left. How many students are there in totality ?
if x=y=2z and xyz =256 then x=
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A 10 digit number N has none of its digits reapeating. The first two digits me N are divisible by two, the first 3 digits are divisible by 3, and the first 4 digits are divisible by 4 and so on such that the entire number is divisible by 10. find N.
In your opinion, what is the most beautiful math equation ever derived?
What will come in place of the question mark (?) in the following sequence? ARRANGEMENTS, RRANGEMENT, RANGEMEN, ?, NGEM (a) RANGEME (b) ANGEME (c) ANGEMENT (d) NGEMEN (e) None of these
M/N = 6/5 3M+2N = ?
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A vegetable seller sells his vegetables at the rate of Rs. 9 kg and thereby incurs a loss of 20%. If he had to make a profit of 5%, at what price per Kg should he sell his vegetables?
In June a baseball team that played 60 games had won 30% of its game played. After a phenomenal winning streak this team raised its average to 50% .How many games must the team have won in a row to attain this average? A. 12 B. 20 C. 24 D. 30