Calculate the least whole number, which when subtracted from both the terms of the ratio 5 : 6 gives a ratio less than 17 : 22.
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Answer (Detailed Solution Below)Option 3 : 2 Free 10 Questions 10 Marks 7 Mins Given: Initial ratio = 5 ∶ 6 Final ratio should be less than 17 ∶ 22 Calculation: Let the least whole number that is needed to be subtracted be a. According to the question, (5 - a)/(6 - a) < 17/22 ⇒ 5 × 22 - 22a < 17 × 6 - 17a ⇒ 110 - 22a < 102 - 17a ⇒ 110 - 102 < - 17a + 22a ⇒ 8 < 5a ⇒ 8/5 = 1.6 < a ∴ The least whole number must be 2. Last updated on Sep 21, 2022 The RRB (Railway Recruitment Board) has released the Result, and Cut Off marks for the CBAT (Computer Based Aptitude Test) stage for Pay Level 6. The result and cut-off marks are announced for the RRB Chandigarh, Bhopal & Chennai regions for the recruitment cycle 2021. The exam is conducted to fill up a total number of 35281 vacant posts. Candidates who are qualified for the Computer Based Aptitude Test will be eligible for the next round, which will be Document Verification & Medical Exam. The candidates with successful selection under RRB NTPC will get a salary range between Rs. 19,900 to Rs. 35,400. Know the RRB NTPC Result here. Let's discuss the concepts related to Algebra and Linear Inequalities. Explore more from Quantitative Aptitude here. Learn now!
Correct Answer:
Description for Correct answer: 126 - 21x < 112 - 16x 126 - 112 < 21x - 16x 14 < 5x \( \Large \frac{14}{5} < x \) 2.8 < x x = 3 (From option) Part of solved Ratio and Proportions questions and answers : >> Aptitude >> Ratio and Proportions
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What is the least natural number which when subtracted from both the numerator and denominator of the traction 7/8 gives a ratio less than 17 22?Final Answer:
The required least natural number is 4.
What is the least whole number which when subtracted from the terms which are in the ratio of 6/7 gives a ratio less than 16 21?Solution(By Examveda Team)
Now, according to question, (6 -X) /(7 -X) < 16/21. So, Least such whol number would be 3.
What least number must be subtracted from each of the numbers 14 17 34 and 42 so that remainders may be proportional?what least number must be subtracted from each of the numbers 14,17,34 and 42, so that the remainders may be proportional,,,,and its answer is 2 solved them.
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