Problems on LCM & HCF Mcqs

Q.  Find the greatest number which, while dividing 19, 83 and 67, gives a remainder of 3 in each case?

a. 16
b. 17
c. 18
d. 19


ANSWER: See Answer
 
Subtract the remainder 3 from each of the given numbers: (19-3)=16, (67-3)=64 and (83-3)=80. Now, find the HCF of the results 16, 64 and 80, we get 16. Thus, the greatest number is 16.
MCQs:  An umbrella marked at Rs. 80 is sold for Rs. 68. The rate of discount is:
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MCQs:  Kabir buys an article with 25% discount on its marked price. He makes a profit of 10 % by selling it at Rs. 660. The marked price is :
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MCQs:  The ratio of the prices of three different types of cars is 4:5:7. If the difference between the costliest and the cheapest cars is Rs. 60000 the price of the car of modest price is:
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MCQs:  A discount series of 10%, 20% and 40% is equal to a single discount of:_________?
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MCQs:  At what price must kashif sell a mixture of 80 kg sugar at Rs. 6.75 per kg with 120 kg at Rs. 8 per kg to gain 20%?
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MCQs:  A person bought an article and sold it at a loss of 10 % if he had bought it for 20 % less and sold it for Rs. 55 more he would have had a profit of 40 %. The C.P of the article is:
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MCQs:  The cost price of an article which on being sold at a gain of 12 % yields Rs. 6 more than when it is sold at a loss of 12 % is:
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MCQs:  A man sells a car to his friend at 10 % loss. If the friend sells it for Rs. 54000 and gains 20 %. The original C.P of the car was:_________?
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MCQs:  If two mixers and one T.V cost Rs. 7000. While two T.V s and one mixer cost Rs. 9800. The value of one T.V is:_________?
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MCQs:  Profit after selling a commodity for Rs. 425 is same as loss after selling it for Rs.355. The cost of the commodity is:________?
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MCQs:  A merchant sold his goods for Rs. 75 at a profit percent equal to C.P. The C.P was:________?
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MCQs:  A horse and a cow were sold for Rs. 12000 each. The horse was sold at a loss of 20 % and the cow at a gain of 20 %. The entire transaction resulted in___________?
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MCQs:  A man sold two houses for Rs. 7.8 lakhs each. On the one, he gained 5% and on the other, he lost 5%. What percent is the effect of the sale on the whole?
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MCQs:  When the Price of fans was reduced by 20 %. The number of fans sold increased by 40 %. What was the effect on the sales of rupees?
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MCQs:  When the price of a toy was increased by 20 % of the number of toys sold was decreased by 15 %. What was the effect on the sales of the shop?
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MCQs:  A owns a house worth Rs. 10000. He sells it to B at a profit of 10% based on the worth of the house. B sells the house back to A at a loss of 10% in this transaction A gets:
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MCQs:  Ramees bought 4 dozen apples at Rs. 12 per dozen and 2 dozen apples at Rs. 16 per dozen. He sold all of them to earn 20%. At what price per dozen did he sell the apples?
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MCQs:  Jameel bought paper sheets for Rs. 7200 and spent Rs. 200 on transport. Paying Rs 600 he had 330 boxes made. Which he said at Rs. 28 each. What is his profit Percentage?
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MCQs:  By selling Toffees at 20 for a rupee, a man loses 40 %. To gain 20 %, for one rupee he must sell?
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MCQs:  By selling 12 oranges for one rupee, a man loses 20%. How many for a rupee should he sell to get a gain of 20%?
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