From the first ‘n’ consecutive natural numbers written on a blackboard, one of the numbers is removed. If the average of the remaining numbers is then find the number removed.
pls reply with shortcuts… thanks
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- 64
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- 50
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- 26
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- 46
0 voters
A trader uses a weight 920 g instead of 1 kg and sells the articles at the marked price which is 15% above the cost price..Find the profit percentage
- Cant be determined
- 25%
- 20%
- 23%
0 voters
If the discount percentage of an article is equal to the profit percentage,and the ratio of the cost price and the marked price is 8:13,then find the cost price of the article if its selling price is 120.
- 97
- 105
- 50
- 76
0 voters
A shopkeeper sells 120 articles each at a price of Rs.250.to the persons who do not bargain he does not give any discount and makes 50%profit on each article.To those who bargain,he gives a discount of 20%.If one of the four customers do not bargain,find his profit percentage on selling all 120 articles.
- 25%
- 27.5%
- 37.5%
- 30%
0 voters
A clock is set right at noon 12on monday. it loses 1/2% on the correct time in the first week but gains 1/4% on the true time during the second week.the time shown on monday after two weeks will be?
- 12:24:16
- 12:25:12
- 11:34:48
- 12:50:24
- none of these
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Mehta sold two watches for a total amount of र2160. On one watch, he made a profit of 40% and on the other watch he incurred a loss of 50% On the whole, he neither made a profit nor incurred a loss. Find the cost price of the watch sold at a loss.
- 960
- 480
- 1680
- 1200
0 voters
Vamshi, Sundar and Anthony started a business with investments of र40,000, र20,000 and र80,00 respectively. After a few months, Anthony left. After another 4 months, Sunder left. Anthony got 1/3rd of the total profit at the end of the first year. After how many months did Anthony leave?
- 3
- 6
- 2
- 4
0 voters
7.In an election the number of votes cast is 2,00,000 out of which the number of male voters who cast their votes is 1,20,000. 70% of the males cast their votes in favour of A. If 50% of the voters cast their votes in favour of A, then find the number of female voters who cast their votes in favour of A.
- 18000
- 32000
- 20000
- 16000
0 voters
Pandit borrowed a certain amount at 8% .p.a. under simple interest for the first 3 years and paid simple interest at 9% p.a. for the next 2 years and 10% p.a. S.I for the remaining years. The total interest he paid for a period of 12 years is र22400. What is the principal?
- 18000
- 20000
- 19000
- 21000
0 voters
The salaries of 30 employees of a company are increased by 10% and that of the remaining 20 employees of the same company are increased by 20%.what is the per. increase in the total salary of 50 employees?pl.provide sol.
Karan's salary before he got an increement was 30% of the total income of the family.if his increement is 1/6th of his salary,then what per. of his family's total income is his salary?pl.provide sol.
- 25%
- 11 1/9%
- 20%
- 33 1/3%
0 voters
For a family,the savings per month are 30% of the total income.if the expenditure on education is increased from 30% to 40% of the total income,then find the savings,as a percentage of the expenditure on education,provided there is no change in the savings?pl. provide sol.
Before an increment in Ram's salary,the total expenditure of the family was 60% of the total income.ram's salary was equal to the total savings of the family then if ram got 50% increment in his salary then what are the new total savings of the family as a percentage of its new total income if its expenditure is kept constant?pl. provide sol.
- 33 1/3%
- 40%
- 66 2/3%
- 50%
0 voters
A salesperson used to get a commission of 9% of his total sales for a month.with a change in the terms of employment,he now gets a fixed amount of 3000 per month plus a commission of only 5% on the access of his sales over 10,000.if the difference in the amounts that he received last month and this month is 400 rupees,though the total sales were the same,what were the total sales this month?pl. provide sol. also
- rs.67,500
- rs.52,500
- rs. 57,500
- cannot be determined
0 voters
the price of groundnuts increased by x% per week over two successive weeks.if at the beginning,two kilograms were available for rupees 80 and after the two weeks they were available for the 105.80.what is the value of x?pl. provide sol.
- 15
- 115
- 1.5
- 11.5
0 voters
the volume of a sphere a is 70 10/27% less than that of b.if the area of b is x% greater than that of a,what is the value of x?pl. provide sol.
- 125
- 175
- 225
- (1900)^(2/3)/9
0 voters
All the water in a big tank a is emptied into two smaller empty tanks b and c.the volume of water in c is 33 1/3% of that in a.if 300 litres of water,which had gone into b had instead gone into c,b would have 50% more water than c,what was the volume of water in a?pl. provide sol.
- 4500 lit.
- 1200 lit.
- 1800 lit.
- 2000 lit.
0 voters
A shopkeeper normally makes a profit of 20%.in a certain transaction,he weighed 900 gm instead of 1 kg without his knowledge due to an error in the weighing scale.if he charges 20% less than what he normally charges,what is his actual profit or loss percentage?pl. provide sol.
- 6 2/3% profit
- 10% profit
- 10% loss
- 6 2/3% loss
0 voters
A student appears for 4 papers-english,maths,physics and chemistry.maximum marks for which are in the ratio of 1:1:2:2.his marks are in the ratio of 4:8:13:15.if he got 80% of the total maximum marks,in how many papers did he get more than 80%?pl. provide sol.
- 3
- cannot be determined
- 1
- 2
0 voters
In any month harsh deposits m% and withdraws n% of the closing balance of the previous month.if his balance at the end of march (after the withdrawal) is tha same as his balance at the beginning of January (before the deposit),which of the following is true?p. provide sol.
- m>n
- m
- n/2<m></m>
- m=n
0 voters