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Question 1
In how many years will a sum of money double itself at simple interest per annum?
Question 2
A sum of money was invested at a certain rate of simple interest for 2 years. Had it been invested at 1 % higher rate, it would have fetched ₹ 24 more interest. The sum of money is _____.
Question 3
A semi-circular sheet of metal of diameter 28 cm is bent into an open conical cup. The depth of the cup is approximately
Question 4
The area of rhombus whose perimeter is 68 cm and one of its diagonal is 16 cm is:
Question 5
A hemisphere and a cone have equal bases. If their heights are also equal, the ratio of their curved surfaces will be
Question 6
Half of 100 articles were sold at a profit of 20% and the rest at a profit of 40%. If all the articles had been sold at a profit of 25%, the total profit would have been Rs. 100 less than earlier profit. The cost price of each article was
Question 7
If a number multiplied by 25% of itself gives a number which is 200% more than the number, then the number is
Question 8
The average monthly expenditure of a family for the first four months is ₹ 2570, for the next three months is ₹2490, for the last five months is 3030 and saves ₹ 5320 during the whole year, the average monthly income of the family during the year is:
Question 9
What is the length of the radius of the circum-circle of the equil-lateral triangle, the length of whose side is cm?
Question 10
A retailer offers the following discount schemes for buyers on an article.
I. Two successive discounts of 10%.
II. A discount of 12% followed by a discount of 8%.
III. Successive discounts of 15% and 5%,.
IV. A discount of 20%.
The selling price will be minimum under the scheme
I. Two successive discounts of 10%.
II. A discount of 12% followed by a discount of 8%.
III. Successive discounts of 15% and 5%,.
IV. A discount of 20%.
The selling price will be minimum under the scheme
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Oct 21SSC & Railway