71. If the numerator of a fraction is increased by 2 and the denominator is increased by 3, the fraction becomes $$\frac{7}{9}$$ and if both the numerator as well as he denominator are decreased by 1, the fraction becomes $$\frac{4}{5}$$. What is the original fraction ?
72. The difference of two numbers is 20% of the larger number. If the smaller number is 12, the larger one is :
73. Two numbers are such that the ratio between them is 4 : 7. If each is increased by 4, the ratio becomes 3 : 5. The lager number is ?
74. the difference between two numbers is 3 and the difference between their squares is 63. Which is the larger number ?
75. twenty times a positive integer is less than its square by 96. What is the integer ?
76. There are two numbers such that the sum of twice the first number and thrice the second number is 100 and the sum of thrice the first number and twice the second number is 120. Which is the larger number ?
77. If one-seventh of a number exceeds its eleventh part by 100, then the number is :
78. The sum of three numbers is 264. If the first number be twice the second and third number be be one-third of the first, then the second number is :
79. A, B, C, D and E are five consecutive odd numbers. The sum of A and C is 146. What is the value of E ?
80. The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of the number ?
Read More Section(Problems on Numbers)
Each Section contains maximum 100 MCQs question on Problems on Numbers. To get more questions visit other sections.