For the following questions answer them individually
If a number is divided by 30 then it leaves 17 as a remainder. What will be the remainder when the same number is divided by 10?
What is the value of $$[(a^{-2}b^3) ÷ (a^1b^{-1})] \times [(a^2b^{-4}) \div (a^{-1}b^2)]$$ ?
A can do a piece of work in 20 days and B can do the same piece of work in 30 days. They start working together and work for 5 days and then both leave the work. C alone finishes the remaining work in 14 days. In how many days will C alone finish the whole work?
P, Q and R undertook a work for Rs 48000. Together P and Q complete 5/12th part of the work. What is the share (in Rs) of R?
The length of two parallel sides of a trapezium are 30 cm and 40 cm. If the area of the trapezium is 350 cm2, then what is the value (in cm) of its height?
If the difference between discount of 35% and two successive discounts of 20% on a certain bill is Rs 3, then what is the amount (in Rs) of the bill?
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