Quantitative Aptitude प्रश्न और उत्तर का अभ्यास करें
8प्र: A & B invest Rs. 1,16,000 & 1,44,000 respectively. B invests for 6 months. At the end of the year, B’s share is Rs. 9000, find the overall profit? 1741 05b5cc6bce4d2b4197774d877
5b5cc6bce4d2b4197774d877- 1Rs. 23,500true
- 2Rs. 19,780false
- 3Rs. 21,700false
- 4Rs. 20,050false
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उत्तर : 1. "Rs. 23,500"
व्याख्या :
Answer: A) Rs. 23,500 Explanation: Given A & B in partnership A Invests 116000 for 12 months => A's share = 116000 x 12 = 13,92,000 B Invests for 6 months => B's share = 144000 x 6 = 8,64,000 Their Ratio = 1392 : 864 = 29 : 18 Let the Annual profit = P Given B's share = Rs. 9000 => 18/47 x P = 9000 => P = 9000 x 47/18 => P = 23,500 Hence, Overall profit = P = Rs. 23,500
प्र: 83% of 2350 = ? 1572 05b5cc6bce4d2b4197774d87c
5b5cc6bce4d2b4197774d87c- 11889.95false
- 21912.35false
- 31875.25false
- 41950.50true
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उत्तर : 4. "1950.50"
व्याख्या :
Answer: D) 1950.50 Explanation: 83% of 2350 = ? 83/100 x 2350 =8.3 x 235 =1950.50
प्र: 194, 194, 191, 183, 168, ? Find the next number in the above series? 4340 05b5cc6bce4d2b4197774d872
5b5cc6bce4d2b4197774d872- 1154false
- 2156false
- 3144true
- 4143false
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उत्तर : 3. "144"
व्याख्या :
Answer: C) 144 Explanation: Here the series follows, 194 194 - (1x1 - 1) = 194 194 - (2x2 - 1) = 191 191 - (3x3 - 1) = 183 183 - (4x4 - 1) = 168 168 - (5x5 - 1) = 144
प्र: The average age of A and B, 2 years ago was 26. If the age of A, 5 years hence is 40 yrs, and B is 5 years younger to C, then find the difference between the age of A and C? 2373 05b5cc6bbe4d2b4197774d86d
5b5cc6bbe4d2b4197774d86d- 111 yrsfalse
- 29 yrstrue
- 37 yrsfalse
- 413 yrsfalse
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उत्तर : 2. "9 yrs"
व्याख्या :
Answer: B) 9 yrs Explanation: Let the present ages of A and B be 'x' and 'y' respectively From the given data, [(x-2) + (y-2)]/2 = 26 => x+y = 56 But given the age of A, 5 years hence is 40 yrs => present age of A = 40 - 5 = 35 yrs => x = 35 => y = 56 - 35 = 21 => Age of B = 21 yrs Given B is 5 years younger to C, => Age of C = 21 + 5 = 26 yrs => Required Difference between ages of A and C = 35 - 26 = 9 yrs.
प्र: A circular piece of thin wire is converted into a rhombus of side 11 cm. Find the diameter of the circular piece? 2454 05b5cc6bbe4d2b4197774d85d
5b5cc6bbe4d2b4197774d85d- 128 cmfalse
- 23.5 cmfalse
- 37 cmfalse
- 414 cmtrue
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उत्तर : 4. "14 cm"
व्याख्या :
Answer: D) 14 cm Explanation: Circular piece is 4 x 11 = 44 cm long, Then Circumference of circle is given by, 44 = pi x D, where D is the diameter D = 44 / pi Take pi = 22 / 7, then D = 44 / (22/7) = (44 x 7) / 22 D = 14 cm.
प्र: 1397 x 1397 = ? Here what replaces '?' 2052 05b5cc6bbe4d2b4197774d853
5b5cc6bbe4d2b4197774d853- 11951609true
- 21821504false
- 32031489false
- 41847879false
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उत्तर : 1. "1951609"
व्याख्या :
Answer: A) 1951609 Explanation: 1397 x 1397
प्र: 7 years ago, the ratio of the ages of Anirudh to that of Bhavana, was 7:9. Chandhu is 12 years older than Anirudh and 12 years younger than Bhavana. What is Chandhu's present age? 2259 05b5cc6bbe4d2b4197774d849
5b5cc6bbe4d2b4197774d849- 191 yearsfalse
- 2115 yearsfalse
- 3103 yearstrue
- 4Can't be determinedfalse
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उत्तर : 3. "103 years"
व्याख्या :
Answer: C) 103 years Explanation: Let present Anirudh's age be 'A' and Bhavana's age be 'B' Given seven years, their ratio is 7:9 => A-7 : B-7 = 7 : 9 => 9A - 7B = 14 .......(1) And given, Chandhu is 12 years older than A nad 12 years younger than B => C = A + 12....(2) => B = C + 12 => B = A + 12 + 12 .....(From (2)) => B = A + 24 ....(3) Put (3) in (1) 9A - 7(A+24) = 14 9A - 7A - 168 = 14 2A = 182 => A = 91 years => C = A + 12 = 91 +12 = 103 years.
प्र: A milkman claims to sell milk at its cost price, still, he is making a profit of 30% since he has mixed some amount of water in the milk. What is the % of milk in the mixture? 3791 05b5cc6bbe4d2b4197774d844
5b5cc6bbe4d2b4197774d844- 171.02%false
- 276.92%true
- 363.22%false
- 486.42%false
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उत्तर : 2. "76.92%"
व्याख्या :
Answer: B) 76.92% Explanation: Let the milk he bought is 1000 ml Let C.P of 1000 ml is Rs. 100 Here let he is mixing K ml of water He is getting 30% profit => Now, the selling price is also Rs. 100 for 1000 ml => 100 : K% = 100 : 30 10 : 3 is ratio of milk to water => Percentage of milk = 10 x 100/13 = 1000/13 = 76.92%