Bank Exams प्रश्न और उत्तर का अभ्यास करें
8प्र: A man covers a distance of 1200 km in 70 days resting 9 hours a day, if he rests 10 hours a day and walks with speed 1½ times of the previous in how many days will he cover 840 km ? 2685 05b5cc745e4d2b4197774fa0e
5b5cc745e4d2b4197774fa0e- 139 daysfalse
- 237 daysfalse
- 335 daystrue
- 433 daysfalse
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उत्तर : 3. "35 days"
व्याख्या :
Answer: C) 35 days Explanation: Distance d = 1200kmlet S be the speed he walks 15 hours a day(i.e 24 - 9)so totally he walks for 70 x 15 = 1050hrs. S = 1200/1050 => 120/105 = 24/21 => 8/7kmph given 1 1/2 of previous speedso 3/2 * 8/7= 24/14 = 12/7 New speed = 12/7kmph Now he rests 10 hrs a day that means he walks 14 hrs a day. time = 840 x 7 /12 => 490 hrs=> 490/14 = 35 days So he will take 35 days to cover 840 km.
प्र: Find the missing number in the given number series? 514, 470, ?, 415, 404 2685 05b5cc6a9e4d2b4197774cf19
5b5cc6a9e4d2b4197774cf19- 1441false
- 2437true
- 3426false
- 4420false
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उत्तर : 2. "437"
व्याख्या :
Answer: B) 437 Explanation: Given number series is 514 470 ? 415 404 Here the pattern it follows is 514 514 - 44 = 470 470 - 33 = 437 437 - 22 = 415 415 - 11 = 404 Hence, the missing number in the given number series is 437.
प्र: Who wins The World's Best Playmaker of the year 2016 ? 2685 25b5cc774e4d2b41977750048
5b5cc774e4d2b41977750048- 1Lionel Messitrue
- 2Toni Kroosfalse
- 3Riyad Mahrezfalse
- 4Andres Iniestafalse
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उत्तर : 1. "Lionel Messi"
व्याख्या :
Answer: A) Lionel Messi Explanation: Argentine Star Lionel Messi was chosen as the World’s Best Playmaker for the year 2016 on December 29, 2016, by the International Federation of Football History and Statistics (IFFHS). Messi topped the list with 172 points followed by Andres Iniesta at second spot with 66 points and Toni Kross third with 45 points.
प्र: Arun purchased 30 kg of wheat at the rate of Rs. 11.50 per kg and 20 kg of wheat at the rate of 14.25 per kg. He mixed the two and sold the mixture. Approximately what price per kg should be sell the mixture to make 30% profit ? 2684 05b5cc6f1e4d2b4197774ef44
5b5cc6f1e4d2b4197774ef44- 1Rs. 17.80false
- 2Rs. 16.30true
- 3Rs. 14false
- 4Rs. 15.40false
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उत्तर : 2. "Rs. 16.30"
व्याख्या :
Answer: B) Rs. 16.30 Explanation: C.P. of 50 kg wheat = (30 * 11.50 + 20 * 14.25) = Rs. 630. S.P. of 50 kg wheat = 130% of Rs. 630 = 130/100 * 630 = Rs. 819. S.P. per kg = 819/50 = Rs. 16.38 = 16.30.
प्र: A contractor undertook to complete a piece of work in 120 Days and employed 140 men upon it. At the end of 66 days only half of the work was done,so he put on 25 extra men. By how much time did he exceed the specific time ? 2684 05b5cc709e4d2b4197774f2ad
5b5cc709e4d2b4197774f2ad- 12 daystrue
- 23 daysfalse
- 34 daysfalse
- 45 daysfalse
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उत्तर : 1. "2 days"
व्याख्या :
Answer: A) 2 days Explanation: work done=total number of person x number of days;half of work done = 140 x 66;For half of remaining work 25 extra men are added.Therefore, total men for half work remaining = 140 + 25 = 165;Let 2nd half work will be completed in K days;140 x 66 = 165 x KK = 122;Hence, extra days => 122-120 = 2days.
प्र: Rajesh rows in still water with a speed of 4.5 kmph to go to a certain place and comes back. Find his average speed for the whole journey, if the river is flowing with a speed of 1.5 kmph? 2682 05b5cc67ee4d2b4197774c245
5b5cc67ee4d2b4197774c245- 12 kmphfalse
- 24 kmphtrue
- 36 kmphfalse
- 48 kmphfalse
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उत्तर : 2. "4 kmph"
व्याख्या :
Answer: B) 4 kmph Explanation: Let the distance in one direction = k kms Speed in still water = 4.5 kmph Speed of river = 1.5 Hence, speed in upstream = 4.5 - 1.5 = 3 kmph Speed in downstream = 4.5 + 1.5 = 6 kmph Time taken by Rajesh to row upwards = k/3 hrs Time taken by Rajesh to row downwards = k/6 hrs Now, required Average speed =Total distanceTotal speed = 2kk3 + k6 = 2k x 186k + 3k = 4 kmph Therefore, the average speed of the whole journey = 4kmph.
प्र: How many lines of symmetry does a Pentagon have? 2680 05b5cc6b2e4d2b4197774d36e
5b5cc6b2e4d2b4197774d36e- 14false
- 25true
- 36false
- 40false
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उत्तर : 2. "5"
व्याख्या :
Answer: B) 5 Explanation: A regular Pentagon have 5 sides and 5 lines of symmetry. The number of lines of symmetry in a regular polygon is equal to the number of sides.
प्र: Li3PO4 compound name? 2679 05b5cc6a9e4d2b4197774cf14
5b5cc6a9e4d2b4197774cf14- 1Lithium perchloratefalse
- 2Lithium phyritefalse
- 3Lithium phosphatetrue
- 4Nonefalse
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उत्तर : 3. "Lithium phosphate"
व्याख्या :
Answer: C) Lithium phosphate Explanation: The given compund Li3PO4 name is Lithium phosphate. Lithium phosphate is a white crystal at room temperature. It is slightly soluble in water. It can be used to produce glass, disk, colorful phosphor powder. It can also be used as a catalyst in some reactions.

