The average revenues of 7 consecutive years of a company is Rs 83 lakhs. If the average of first 4 years is Rs 78 lakhs and that of last 4 years is Rs 90 lakhs, find the revenue for the 4th year.
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4 years ago, the ratio of Vikah's to Rahul's age was 3:5. After 6 years, this ratio would become 4:5. Find present age of Rahul.
An angle in a semicircle is
The volume of a hemisphere is 19404 cm3. Find its diameter (in cm).
10 people could complete a task in 8 days. After 4 days, 2 of the workers left. How many days from then did it take to complete the task?
If the standard deviation of a population is 4.5, what would be the population variance?
Find out the odd word/letters/number/number pair from the given alternatives.
The compound interest on Rs. 4000 for 4 years at 10% per annum will be
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