by shivamtripathi22 | Jul 30, 2025 | Uncategorized
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...
by shivamtripathi22 | Jul 29, 2025 | Uncategorized
61. A man spents ( boldsymbol{33frac{1}{3}} )% of his salary on item of daily use and ( boldsymbol{37frac{1}{2}} )% of the remainder on house rent. After that he is left with 3900 Rs. How much is his salary ?Sol:spent ⟶ ( boldsymbol{33frac{1}{3}} )% ⟶ (frac{1}{3}) ⟹...
by shivamtripathi22 | Jul 29, 2025 | Uncategorized
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...
by shivamtripathi22 | Jul 29, 2025 | Uncategorized
51. If a man’s salary is 25% more than that of Naman, then how much percent is Naman’s salary less than that of Aman...
by shivamtripathi22 | Jul 28, 2025 | Uncategorized
41. In a class, number of girls is more than the number of boys by 20% of the total strength. What is the ratio of boys to girls ?Sol:Let total number of students = 100& number of boys = x∴ number of girls = x + 20% of 100= x + 20∴ x + x + 20 = 1002x = 80x = 40∴...
