91.There are two candidates. One of the candidates secured 30% of votes and got defeated by the other candidate by 400 votes. Find the total number of...
81. The population of a village has increased annually at the rate of 20%. If at the end of 3 years it is 19440. Then what was the population in the beginning of first year...
71. A student multiplied a number by ( boldsymbol{frac{2}{5}} ) instead of ( boldsymbol{frac{5}{2}} ). What is the % error in calculation ?Sol:In such type of question let a number which is exactly divisible by denominator of both the...
61. A man spents (33frac{1}{3})% of his salary on item of daily use and (37frac{1}{2})% of the remainder on house rent. After that he is left with 3900 Rs. How much is his salary ? View Solution 62. If monthly salary of an employee is increased by (3frac{5}{8})%, he...
31. Two numbers x & y are such that the sum of 6% of x and 5% of y is (frac{3}{5}) of the sum of 6% of x and 7% of y. Then find the ratio of x and y. View Solution 32. The ratio of number of boys to that of girls in a school is 5 : 1. If 70% of boys and 60% of...
21. A was travelling in his boat, when the wind blew his hat off and the hat started floating back downstream. The boat continued to travel upstream for 15 more minutes before A realized that his hat had fallen off and turned back downstream. He caught up with that as...
🍪 We use cookies to improve your browsing experience, serve personalized ads and analyze our traffic. By clicking Accept All you consent to our use of cookies as described in our Privacy Policy.
