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A businessman makes a profit of 20% when he sells a carpet for Ksh. 36000. In a trade fair he sold one such carpet for Ksh. 33600. Calculate the percentage profit made on the sale of the carpet during the trade fair.
asked
Aug 13, 2021
in
Mathematics Form 1
by
anonymous
ratios
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0
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1
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A bookstore had 30816 exercise books which were packed in cartons. Each carton contained 24 exercise books . The mass of an empty carton was 2kg and a full carton 12kg.
asked
Aug 11, 2021
in
Mathematics Form 1
by
anonymous
rates
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0
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1
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Mr. Kanja,Miss Kanene and Mrs Nyaga have to mark a form three math contest for 160 students. They take 5mins, 4mins, and 12mins respectively to mark a script. If they all start to mark at 9.00 am non-stop, what is the shortest time they can take to complete the marking?
asked
Jul 30, 2021
in
Mathematics Form 1
by
anony mous
ratios
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least common multiple
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Mr.Maina who deals in electronics sells a radio to a customer at Ksh. 1440 after giving a discount of 10% but find that he makes a 20% profit. Find the profit Mr. Maina would make if he does not give a discount.
asked
Jul 21, 2021
in
Mathematics Form 1
by
anonymous
ratios
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0
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1
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Kiprono buys tea costing sh 112 per kilogram and sh.132 per kilogram and mixes them, then sells the mixture at sh.150 per kilogram .If he is making a profit of 25% in each kilogram of the mixture ,determine the ratio in which he mixes the tea.
asked
Jul 21, 2021
in
Mathematics Form 1
by
anonymous
ratios
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proportions
0
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1
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Given that the ration x:y=2:3 find the ratio (5x-2y):(x+y).
asked
Jul 21, 2021
in
Mathematics Form 1
by
anonymous
ratios
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0
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1
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Three machines A, B and C are set to work together. A working alone takes 6 hours to complete the work; B takes 8 hours while C takes 12 hours. All the three machines started working at the same time. 40 minutes later machine A broke down. B and C continued for another 1 hour before B ran out of fuel and therefore stopped working for 20 minutes while C continued. If B resumed working after 20 minutes, calculate the:
asked
Jun 30, 2021
in
Mathematics Form 1
by
anonymous
ratios
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percentages
0
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1
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An industrialist has 460 litres of a chemical which is 75% pure. She mixes it with a chemical of the same type but 90% pure so as to obtain a mixture which is 78% pure. Find the amount of the 90% pure chemical used.
asked
Jun 30, 2021
in
Mathematics Form 1
by
anonymous
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0
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1
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Find the selling price of 6 kg of a mixture of maize flour and millet flour if 4 kg of maize flour costing sh. 60 per kg is mixed with 6 kg of millet flour costing sh. 45 per kg and a profit of 20% is realized.
asked
Jun 30, 2021
in
Mathematics Form 3
by
anonymous
commercial arithmetic
ratios
proportions
percentages
0
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1
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Three business partners, Kosgei, Kimani and Atieno contributed Ksh 1,750,000 towards an investment. Kosgei contributed 20% of the money. Kimani and Atieno contributed the remainder in the ratio 3:5 respective
asked
Jun 17, 2021
in
Mathematics Form 1
by
anonymous
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