1.
In an examination, 65% of the students passed in Mathematics, 48% passed in Physics and 30% passed in both. How much per cent of students failed in both the subjects?
2.
The value of a machine depreciates every year at the rate of 10 %on its value at the beginning of that year. If the current value of the machine is ₹729, then its worth 3 yr ago was
3.
In an examination 80% candidates passed in English and 85% candidates passed in Mathematics. If 73% candidates passed in both the subjects, the what per cent of candiates failed in both the subjects?
4.
The population of a village decreases at the rate of 20% per annum. If its population 2 yr ago was 10000, the present population is
5.
A reduction of 20% in the price of sugar enables Mr Bhadra to buy a extra 5 kg of it for ₹320. The original rate of sugar is
6.
Kishan spends 30% of his salary on food and donates 3% in a Charitable Trust. He spends ₹2310 on these two items, then total salary for that month is
7.
Present population of a village is 67600. It has been increasing annually at the rate of 4%. What was the population of the village 2 yr ago?
8.
Due to an increase of 50% in the price of eggs; 4 eggs less are available for ₹24. The present rate of eggs per dozen is
9.
Radha spends 40% of her salary on food, 20% on house rent, 10% on entertainment and 10% on conveyance. If her savings at the end of a month are ₹ 1500, then her salary per month (in₹) is
10.
The price of rice is reduced by 2% . How many kilograms of rice can now be bought for the money which was sufficient to buy 49 kg of rice.
11.
A TV was bought at a price of 21000. After one year the value of TV was depreciated by 5%. Find the value of the TV after one year.
12.
In the certain examination, 77% candidates passed in English and, 34% failed in Mathematics. If 13% failed in both the subjects and 784 candidates passed in both the subjects, then the total number of candidates was
13.
A reduction of 21% in the price of an item enables a person to buy 3 kg more for ₹100. The reduced price of item per kg is
14.
A man spends 40% of his monthly salary on food and one third of the remaining on transport. If he saves ₹ 4500 per month, which is equal to half the balance after spending on food and transport, his monthly salary is
15.
In an examination, 1100 boys and 900 girls appeared, 50% of the boys and 40% of the girls passed the examination. The percentage of candidates who failed is
16.
In an examination, 52% of the candidates failed in English and 42% failed in Mathematics. If 17% failed in both the subjects, then the percentage of candidates who passed in both the subjects, was
17.
In an examination 80% of the candidates passed in English and 85% in Mathematics, while 75% passed in both English and Mathematics. If 45 candidates failed in both the subjects, then the total number of candidates was
18.
In an examination, 35% of the candidates failed in Mathematics and 25% in English. If 10% failed in both Mathematics and English, then how much per cent passed in both the subjects?
19.
Due to an increase of 20% in the price of eggs, 2 eggs less are available for ₹24. The present rate of eggs per dozen is
20.
Out of his income Mr Raj spends 20% on house rent and 70% of the rest on household expenditure. If he saves ₹3600 per month, then his total income per month in ₹ is
21.
90% of the students in school passed in English, 85% passed in Mathematics and 150 passed in both the subjects. If no student failed in both the subjects, then find the total number of students.
22.
Rani's weight is 25% that of Meena's and 40% that of Tara's. What percentage of Tara's weight is equal to Meena's weight?
23.
Read the question given below
24.
Two years ago, the value of my motorbike was ₹62500. If the value depreciates by 4% every year, now its value is
25.
If the population of a town is 64000 and its annual increase is 10% then its correct population at the end of 3 yr will be