Q: A sum of money lent at compound interest for 2 years at 20% per annum would fetch Rs.723 more if the interest was payable half yearly than if it was payable annually. The sum is

Q: The compound interest on a certain sum for 2 years is Rs.40.80 and the simple interest is Rs.40. Find the sum.

Q: A father left a will of Rs. 35 lakhs between his two daughters aged 8.5 and 16 such that they may get equal amounts when they reach 21 years. The original amount was 35 lakhs at 10%. How much did the elder daughter get?

Q: If an amount of Rs.12000 is invested in two different schemes of which one is SI with 10% p.a interest and the other being CI with 10% p.a interest, compounded half-yearly, what will be the difference between SI and CI at the end of 1 year?

Q: In a science examination, the average obtained by entire class was 80 marks. If 10% of students scored 92 marks and 20 % of students scored 90 marks, then what was the average of remaining students?

Q: An amount of money grows up to Rs.4840 in 2 yrs and up to Rs.5324 in 3 yrs on compound interest. Find the rate percent.

Q: Leela takes a loan of Rs. 8400 at 10% p.a. compounded annually which is to be repaid in two equal annual installments. One at the end of one year and the other at the end of the second year. The value of each installment is

Q: What sum(principal) will amount to Rs.34536.39 at compound interest in 3 years, the rate of interest for 1st, 2nd and 3rd year being 5%, 6% and 7% respectively? 

Q: The present population of a village is 9,261. If the annual birth rate is 8(1/2)% and the annual death rate is 3.5%, then calculate the population 3 years ago. 

Q: The rate of interest for the first 3 years is 6% per annum, for the next 4 years, 7% per annum and for the period beyond 7 years, 7.5% per annum. If a man lent out Rs.1200 for 11 years, find the total interest earned by him.

Q: The population of the city increases 7% annually from 1920 to 1923 and its population in the 1923 and its population in 1923 was 8575301. What was its population in 1920?

Q: Anu owns an egg store in the town where she sells half of the stock every day. If 1/10th of the stock gets spoiled during the night and a total of 1983 eggs got spoiled in exactly three days, how many eggs did Anu have?

Q: Supriya invests 35% of her monthly salary in insurance policies. She spends 45% of her monthly salary in shopping and on household expenses. She saves the remaining amount of 25,750. What is Supriya's monthly income?

Q: A college has raised 75% of the amount it needs for a new building by receiving an average donation of Rs 600 from the people already solicited. The people already solicited represent 60% of the people, the college will ask for donations. If the college is to raise exactly the amount needed for the new building, what should be the average donation from the remaining people to be solicited?

Q: A candidate scores 46% and fails by 55 marks while another candidate scores 81% and gets 15 marks more than the minimum required marks to pass the exam. Find the maximum marks for the examination.

Q: In an election, the candidate who got 56% of the votes cast won by 144 votes. Find the total number of voters on the voting list if 80% of people cast their vote and there were no invalid votes.

Q: In an election, candidate A got 40% of the total valid votes. If 55% of the total votes were declared invalid and the total number of votes is 2,80,000, find the number of valid votes polled in favour of the candidate.

Q: 60% of male in a town and 70% of female in a town are eligible to vote. Male to female ratio is 1 in the town. Out of which 70% of male and 60% of female who are eligible to vote voted for candidate A. What is the value of votes in % did A get?

Q: Two numbers are respectively 40% and 30% more than a third number. The second number expressed in terms of percentage of the first is (approx)

Q: Find the number which when decreased by 24% becomes 594.

Q: In a class of 150 students, 40% of the students got 45 marks on average and 46 % of the students got 60 marks on average. The average marks for the total class are 55. Find the average marks secured by rest of the students.

Q: Ajay borrows Rs.1500 from 2 money lenders. He pays interest of 12% / annum for one loan and 14% / annum for the other. The total interest paid for the entire year is Rs.186. How much does he borrow at a 12% rate?

Q: If the tax on tea is reduced by 10% by how much percent must the consumption increases so that there is an increase of 8% in the revenue?

Q: Stephen borrowed some money at 6% for the first 4 years, 8% for the next 6 years, and 11% for the period beyond 10 years. If the total interest paid by him at the end of twelve years is Rs.5640, how much money did he borrow?

Q: In 1970, the cost of producing a litre of milk was Rs.11.25, 66% of which was the cost of food and the remainder was wages and other expenses. By 1973, the cost of food had increased by 55% and wages and other expenses had increased by 45%. Find the cost of producing a litre of milk in 1973.

Q: The difference between 42% of a number and 28% of the same number is 210. What is 59% of that number?

Q: If the difference between CI and SI earned on a certain amount at 20% pa at the end of 3 years is Rs.640, find out the principal.

Q: Neha’s salary is decreased by 20%. By what percent her decreased salary be raised to have the original salary?

Q: Rs.25,000 is invested for 3 years at 12% compound interest p.a. What is the interest in the third year?

Q: Gaurav spends 40% of the amount he received from his father on hostel expenses, 20% on books and stationery and 50% of the remaining on transport. He saves Rs. 450 which is half the remaining amount after spending on hostel expenses, books etc. and transport. How much money did he get from his father?