a biology class has 12 boys and 18 girls what fraction of
the class are boys
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in the year 1990 there are 5000 men 3000 women 2000 boys .in 1994 men are increased by 20% women are increased by ratio of boys and women
A building with height D shadow upto G. What is the height of a neighbouring building with a shadow of C feet.
A new apartment complex purchased 60 toilets and 20 shower heads. If the price of a toilet is three times the price of a shower head, what percent of the total cost was the cost of all the shower heads?
The Highest Mountain in the World______________
in a 100m race , A beats B by 15m and B beats C by 10m . If A beats C by 5 sec then find the speed of C.
Cost of an item is x. It's value increases by p% and decreases by p% Now the new value is 1 rupee, what is the actual value ?
Himesh works thrice as much as Bhavin. Find the number of days it would take to complete the work if both work together if Himesh takes 60 days less than Bhavin to do a work.
the credit for integrating the Indian princely states goes to
The price of raw materials has gone up by 15%, labour cost has also increased from 25% of the cost of raw material to 30% of the cost of raw material. By how much percentage should there be a reduction in the usage of raw materials so as to keep the cost same
Some work is done by two people in 24 minutes. One of them can do this work alone in 40 minutes. How much time does the second person take to do the same work ?
A sum of money becomes 2.5 times itself at 12.5% simple interest p.a. What should be the period of investment to get this much return?
first day of 1999 is sunday.what day is the last day?