Quantitative Aptitude प्रश्न और उत्तर का अभ्यास करें
8प्र: If watches bought at prices ranging from Rs. 200 to Rs. 350 are sold at prices ranging from Rs. 300 to Rs. 425. What is the greatest possible profit that might be made in selling nine watches ? 2419 05b5cc75ce4d2b4197774fc89
5b5cc75ce4d2b4197774fc89- 1Rs. 1800false
- 2Rs. 2000false
- 3Rs. 2025true
- 4Rs. 1750false
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उत्तर : 3. "Rs. 2025"
व्याख्या :
Answer: C) Rs. 2025 Explanation: Profit would be maximum if watches are brought for Rs. 200 and sold for Rs. 425Profit = Rs. (425 - 200) = Rs. 225Profit of 9 watches = Rs. 225 x 9 = Rs.2,025.
प्र: Find the next number in the given number series? 35, 36, 55, 111, ? 2418 05b5cc62ae4d2b4197774b8a5
5b5cc62ae4d2b4197774b8a5- 1278.5true
- 2264.5false
- 3212.5false
- 4202false
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उत्तर : 1. "278.5"
व्याख्या :
Answer: A) 278.5 Explanation: The given number series is 35, 36, 55, 111, ? 35 35 x 1 + 1 = 36 36 x 1.5 + 1 = 55 55 x 2 + 1 = 111 111 x 2.5 + 1 = 278.5 Hence, the next number in the given number series is 278.5.
प्र: Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to ___ ? 2417 05b5cc6bee4d2b4197774d983
5b5cc6bee4d2b4197774d983- 13.7false
- 22.7false
- 33.6false
- 42.9true
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उत्तर : 4. "2.9"
व्याख्या :
Answer: D) 2.9 Explanation: xz = y2 10(0.48z) = 10(2 x 0.70) = 101.40 0.48z = 1.40 z = 140/18 = 35/12 = 2.9 (approx.)
प्र: 270 मीटर लम्बी एक रेलगाड़ी 10 किमी/घंटा की चाल से चल रही हैं। विपरीत दिशा से 80 किमी/घंटा की चाल से आ रही है एक दूसरी को 20 सैकण्ड में पार कर जाती है। दूसरी गाड़ी की लम्बाई क्या है? 2417 05d15e01044a3a75f13296b30
5d15e01044a3a75f13296b30- 1240 मीटरfalse
- 2320 मीटरfalse
- 3260 मीटरfalse
- 4230 मीटरtrue
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उत्तर : 4. "230 मीटर"
प्र: The average age of a couple is 24 years when they were married five years ago but now the average age of the husband, wife and child is 20 years(the child was born during the interval). What is the present age of the child ? 2415 05b5cc6d6e4d2b4197774e665
5b5cc6d6e4d2b4197774e665- 12 yrstrue
- 24 yrsfalse
- 33 yrsfalse
- 45 yrsfalse
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उत्तर : 1. "2 yrs"
व्याख्या :
Answer: A) 2 yrs Explanation: 29 x 2 = 5820 x 3 = 60 ----------- 2 years Therefore, the age of child is 2 years.
प्र: Express 6.72 % in ratio ? 2413 05b5cc6d9e4d2b4197774e839
5b5cc6d9e4d2b4197774e839- 165 : 124false
- 242 : 625true
- 321 : 125false
- 437 : 442false
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उत्तर : 2. "42 : 625"
व्याख्या :
Answer: B) 42 : 625 Explanation: 6.72/100 = 672/10000 = 42/625
प्र: Madhu started a business and he invested in 76000, After some month, Amar came to join with him and invest 57000.The end of the year the total profit was divided among them into ratio form 2 : 1.Find after how many months Amar join. 2411 05b5cc767e4d2b4197774fe27
5b5cc767e4d2b4197774fe27- 17 monthsfalse
- 28 monthsfalse
- 33 monthsfalse
- 44 monthstrue
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उत्तर : 4. "4 months"
व्याख्या :
Answer: D) 4 months Explanation: we can assume that Amar join into business after x months. So Amar money was invest into (12 – x ) months. 76000×1257000×(12-x)=21 --> 912000 = 114000 ( 12 – x ) = 114 ( 12 – x ) = 912 --> x = 4 After 4 months amar join the business.
प्र: What is the equivalent compound ratio of 5:6::7:10::6:5 ? 2410 05b5cc6e3e4d2b4197774eccf
5b5cc6e3e4d2b4197774eccf- 17 : 9false
- 29 : 7false
- 37 : 4false
- 47 : 10true
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उत्तर : 4. "7 : 10"
व्याख्या :
Answer: D) 7 : 10 Explanation: Given 5:6 :: 7:10 :: 6:5 We know that compound ratio is calculated as a:b :: c:d :: e:f(axcxe):(bxdxf) => (5x7x6):(6x10x5)=> (210):(300)= 7:10