Multiplication and Division of Rational Numbers
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Divide the sum of 135 and −127 by the product of −317 and 1−2
In a school, 58 of the students are boys. If there are 240 girls, find the number of boys in the school.
Rita had Rs 300. She spent 13 of her money on notebooks and 14 of the remainder on stationery items. How much money is left with her ?
At a cricket test match 27 of the spectators were in a covered place while 15000 were in open. Find the total number of spectators.
A cord of length 7112 m has been cut into 26 pieces of equal length. What is the length of each piece ?
The area of a room is 6514 m2.If its breadth is 5716 m, what is its length?
The product of two fractions is 935. If one of the fractions is 937, find the other.
Amit earns Rs 16000 per month. He spends 14 of his income on food; 310 of the remainder on house rent and 521 of the remainder on the education of children. How much money is still left with him?
Find the cost of 325 metres of cloth at Rs 3634 per metre.
By what rational number should we multiply −1556 to get −57 ?
After reading 79 of a book, 40 pages are left. How many pages are there in the book ?
By what rational number should −839 be multiplies to obtain 126 ?
A 11713 m long rope is cut into equal pieces measuring 713 m each. How many such small pieces are these?
Find the area of a rectangular park which is 3635mlong and 1623m broad.
The cost of 194m of wire is Rs.1712. Find the cost of one meter of the wire.
Find pythagorean triplet with the smallest number as 10
By what number should we multiply −813 so that the product may be 24?
512 m long rope is cut into 12 equal pieces. What is the length of each piece?
The cost of 312 metres of cloth is Rs 5734. What is the cost of one metre of cloth ?
Write the multiplicative inverse of each of the following rational numbers. , , , .
A train travels 14452 km in 172h. Find the speed of the train in km/h.
The product of two rational numbers is -2.If one of them is 47, find the other.
One litre of petrol costs Rs 4634. What is the cost of 35 litres of petrol ?
The product of two rational numbers is −1427. If one of the numbers be 79, find the other.
Find the area of a square plot of land whose each side measures 812 metres.
By what numbers should we multiply −1520 so that the product may be −57?
The product of two rational numbers is 15. If one of the numbers is -10, find the other.
Divide the sum of 58 and −1112 by the difference of 37 and 514.
The product of two rational numbers is - 7. If one of the number is - 5, find the other?
A car is moving at an average speed of 4025 km/hr. How much distance will it cover km/hr. How much distance will it cover in 712 hours ?