Business Mathematics MCQs and Notes

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📊 Business Mathematics
Q. It was intended that Rs. 585 be divided among P, Q and R in the ratio of 4 : 3 : 2, but by
mistake the distribution was made in the proportion of 1/4 : 1/3 : 1/2. How much does 'R' gain by
the error?
  • (A) rs. 99
  • (B) rs. 126
  • (C) rs. 140
  • (D) rs. 152
💬 Discuss
✅ Correct Answer: (C) rs. 140
📊 Business Mathematics
Q. 285 is summation of 3 numbers. Ratio between 2nd and 3rd numbers is 6:5. Ratio between
1
st and 2nd numbers is 3:7. The 3rd number is?
  • (A) 135
  • (B) 150
  • (C) 124
  • (D) 105
💬 Discuss
✅ Correct Answer: (D) 105
📊 Business Mathematics
Q. Ratio of two numbers is 3:8. On adding 5 to both numbers, the ratio becomes 2:5. Which is the smaller number out of the two?
  • (A) 64
  • (B) 120
  • (C) 45
  • (D) 105
💬 Discuss
✅ Correct Answer: (C) 45
📊 Business Mathematics
Q. Find A:B:C:D when A:B = 2:3 ; B:C = 7:9 ; C:D = 5:7
  • (A) 70 : 105 : 135 : 189
  • (B) 105 : 115 : 236 :189
  • (C) 70 : 124 : 155 : 201
  • (D) 12 : 78 : 256 : 189
💬 Discuss
✅ Correct Answer: (A) 70 : 105 : 135 : 189
📊 Business Mathematics
Q. 10/13 = 11/28 = 21/11 = 12/11 = K. What is K?
  • (A) 6/7
  • (B) 12/13
  • (C) 10/11
  • (D) 59/63
💬 Discuss
✅ Correct Answer: (A) 6/7
📊 Business Mathematics
Q. Income ratio of Ramesh and Suresh is 5:6. Their spending ratio is 7:9. Ramesh saves 4000 and Suresh saves 3000. Income and spending respectively of Ramesh and Suresh are
  • (A) ramesh - 25000, 21000; suresh – 30000, 27000
  • (B) ramesh - 36000, 32000; suresh – 30000, 27000
  • (C) ramesh - 30000, 27000; suresh – 36000, 32000
  • (D) none of the above
💬 Discuss
✅ Correct Answer: (A) ramesh - 25000, 21000; suresh – 30000, 27000
📊 Business Mathematics
Q. a:b = 3:7 and b:c = 9:5. What is a:b:c?
  • (A) 3:15:5
  • (B) 21:16:45
  • (C) 3:7:5
  • (D) 27: 63:35
💬 Discuss
✅ Correct Answer: (D) 27: 63:35

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