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Total age of 19 girls = 19 times; 45 = 855 years If the age of one more girl is added the average decreases by half a year, there4; Total age of 20 girls = 44.5 times; 20 = 890 Now, the age of new girl = 890 ndash; 855 = 35 years
What does 'A' in ANSI stand for ____________.
A trader bought a bicycle for ₹12,000 and sold it at a profit of 25%. After a month, he offered a discount of 10% on the selling price to attract more...
Pipe X can fill a tank on its own in 12 hours, while Pipe Y can fill the same tank individually in 20 hours. Both pipes X and Y o...
A collection of related files is called a______.
A merchant mixes two varieties of rice, one costing ₹55 per kg and the other costing ₹80 per kg, and sells the mixture at ₹75 per kg, making a pro...
6, 8, 15, 44, ?, 1134.
How many words are formed from the letters of the word CHAMPION when vowels (A, I, O) always are together?
Which of the following functions is not one-one?
If sets A and B contain 4 and 5 elements respectively, then the total number of binary relations from A to B is:
28, 52, 84, 124, 172, ?.