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追加: 2026-06-02

[00:00:03]Hello everyone, welcome to this class.

[00:00:18]downloads.

[00:00:27]Question number one. A person travels a distance of 300 kilome from place A to B and return to place A.

[00:00:39]It takes 5 hour more than onward journey than time taken to return journey.

[00:00:50]He returns to speed kilome per hour more than the speed of the going place. Place A to B to A difference 10 km hour. It is speed distance time distance given energy. This is the total distance.

[00:01:09]Okay. Then find the average speed for the entire journey. Then average speed.

[00:01:19]Okay. Total distance given 300 km difference and time difference and speed.

[00:01:40]Okay.

[00:01:44]Speed 1 into speed.

[00:01:47]This is your equal to distance into speed difference by time difference.

[00:01:53]Speed 1 multiply speed total distance 300 multiply speed difference 10ide time difference.

[00:02:08]Okay.

[00:02:12]600 600.

[00:02:21]Okay.

[00:02:23]This is your 600 difference. This is your 10 hour speed.

[00:02:37]Obviously that means speed 120 20 speed then average speed 2 into 2 into speed into by add this is your 24 kilome per hour. Answer option A 24 km hour difference.

[00:03:32]Okay speed two product. This is your total distance into speed difference by time difference. Then difference and speed into speed 1 into speed by speed 1 + speed 2 then 24 km per hour. Option right answer question.

[00:04:28]Okay, that's why No doubt only question.

[00:04:49]Okay, I think that is the core problem.

[00:04:53]Next question. Question number two.

[00:04:56]100 men have provision for 27 weeks.

[00:05:00]They are joined. They are joined 35 men.

[00:05:04]How long will the provision last?

[00:05:31]27 weeks last week 13.

[00:05:52]That is your right answer.

[00:06:10]Okay, then Right.

[00:06:35]Then last week.

[00:06:55]Okay. You have speed, accuracy, you know, tricks, anything. But then everything is wrong.

[00:07:05]That's why accurately next question number A and B can do a piece of work in 9 and 12 days respectively.

[00:07:21]working alone. If they work on alternative days, starting with in how many days will the work be completed?

[00:07:42]Total work 36. A effic.

[00:08:18]Six unit 35 unit.

[00:08:24]This is your This is your 10 integer 1 by 4.

[00:08:52]No doubt any doubt. Okay. Simply efficiency efficiency.

[00:09:12]Okay.

[00:09:28]Okay.

[00:09:40]So 10 integer 1 by 4 is your right answer. Okay.

[00:09:53]Okay. Otherwise, next question number four.

[00:10:05]Question number four.

[00:10:08]By selling chocolates at four for rupee 1 man incur loss 10%. To gain 20% how many chocolates should sell forantity into this into four loss% how many chocolateity it was 20% 120 Right. Then solve x 4 into 90 by 120 to gain 20%. How many chocolate should he sell for rupees? Three chocolates.

[00:11:24]Three chocolates.

[00:11:30]Right answer. Okay, next question number five. Try to question number five.

[00:11:38]A shopkeeper marks an article at X rupees and offers a discount of 60%.

[00:11:46]60% discount of four cost uh upkeeper marks an article x on it he sell for 396 after changing part of 20% on the discounted price what is the value of Okay.

[00:12:20]This is your 20% final price. Okay.

[00:12:34]to X X 60% discount 40% 40 by 100 multiply 20% 120 by this is your 100 final price 3 96 then answer X into 2x 5* 6 this is your 3 96 6 P 96* 5 by 2 into 6 into Okay.

[00:13:34]Okay.

[00:13:47]33 into 25.

[00:13:50]Then directly 33 into 25 into this. Okay. 15. Five.

[00:14:10]Then five.

[00:14:33]Right answer. Option B.

[00:14:48]process.

[00:14:51]Okay.

[00:15:06]No doubt. Next question number six.

[00:15:10]Alpona and Sudha got 54 and 612 marks exam respect in the same examination.

[00:15:23]If Kalpona scored 14% marks then what is the percentage mark scored by equal to percent.

[00:15:50]Okay.

[00:16:01]This is your right answer.

[00:16:14]Okay.

[00:16:19]Right.

[00:16:28]Okay.

[00:16:36]Okay.

[00:16:45]This is your 17% is your right answer.

[00:16:48]Answer option A. 17% is your right answer. Okay. What is the percentage of marks scored by Sudha? This is your 17%.

[00:17:02]Okay.

[00:17:09]Next question number the current population of a town 52,800.

[00:17:19]This is the current population.

[00:17:21]It increase at the rate of 5% perom.

[00:17:26]Find the difference between its population two year hence and two year ago.

[00:17:33]two years and two year ago. Okay.

[00:17:38]5% increase.

[00:18:02]This is your hands. This is your past.

[00:18:06]Okay.

[00:18:10]difference 52,800 52,000 future 800 into Okay.

[00:18:47]88,000 962 then 3 20,000.

[00:18:56]Okay.

[00:18:59]difference 68,962 this is your answer 68,900 62 is your right answer no doubt find the difference between its population two year hence and two year ago this is your answer okay simply Forever Friends, this is your answer.

[00:19:59]Okay. Next question number eight.

[00:20:04]Question number 8. Two numbers are in the ratio of 5 is to 9 to 9.

[00:20:26]Initial ratio final ratio effect.

[00:20:36]Okay.

[00:20:40]41 123 difference.

[00:20:55]This is your three times.

[00:20:58]What is the sum of the original number?

[00:21:00]Original number three is your 42 will be your right answer.

[00:21:31]This is your 42. Next question number the sum of greatest common divisor three and four greatest common division one. Okay.

[00:21:44]co-prime and the greatest common divis 5 1 + 1 2 is your right answer is your right answer option D next question number 10 the average of eight number is 31 average 31 average if each number is decreased by six each number 6° 6° 240.

[00:22:23]Sorry, 25.

[00:22:26]Okay, direct answer. 25 is your right answer. No doubt. Next question number 11. A batsman in his 11th innings. A batsman in his 11th innings makes a score 94 runs and thereby increase one run 83. This is your old average. What is average after 11th innings after 11th innings average?

[00:23:16]This is your 84 as your right answer. 84 will be your right answer. Option D answer. Okay. Next question number 12.

[00:23:26]Write. The sum of present ages of A, B and C 192 years.

[00:23:35]192 years.

[00:23:39]20 years ago from now the ratio of the S was 8 to 9 is to 5. What is the present age of C?

[00:23:50]Simply simply 20 years ago.

[00:23:57]20 years ago.

[00:24:07]20 years ago ratio given 8 to 9 is to 5 192.

[00:24:18]The Sum of present age of A B C 192 years 20 years ago from now.

[00:24:42]Okay.

[00:24:45]with process. Right answer.

[00:24:56]Okay. The sum of the present age of A B C is 192 years.

[00:25:05]20 years ago from now the ratio given a what is the present age of cells right next question number 13 which option is your right answer in what ratio must brusher mix two varieties rise 135 5 284 then 151us 33us 16 13 to 16 is your right answer is your right answer.

[00:25:58]Okay. Option E is your right answer. Yeah. 151.

[00:26:06]Next question number 14. The ratio of milk and water in 175 lit mixture. Milk and water ratio 5 is to2. Find the quantity of water that must be added to the mixture makes 1 to 1.

[00:26:27]Okay.

[00:26:31]Water.

[00:26:37]This is your 52.

[00:26:48]This is your unit.

[00:26:52]17.

[00:26:56]This is your 25 times. 3 unit. This is your 3 into 25. This is 75 is your right answer. Okay. Find the quantity l of water must be added to 75.

[00:27:22]Next question number 15.

[00:27:26]Question number 15. Which option is your right answer?

[00:27:32]A and B invest in a business in the ratio 5 is to 3. A b investment ratio.

[00:27:41]The 4% of total profit is set aside for advertisement and marketing and a receive a is set from the remaining property. What was the total profit percentage? What was the total profit?

[00:28:05]Remaining remaining.

[00:28:29]Okay. Then remaining 96 by 100.

[00:28:53]Okay.

[00:28:56]for 96 then.

[00:29:18]Okay.

[00:29:27]Do we do it?

[00:30:09]Right answer I think 25 something.

[00:30:19]What was the profit?

[00:30:31]Next question number 16.

[00:30:36]A boat travels 60 km downstream in 3 hour. 60 km downream 3 hour speed 48 km hour.

[00:30:49]Okay, 30 hour 60 12 kilome hour.

[00:31:00]Find the speed of boat in steel plus.

[00:31:07]This is your kilome hour. Right answer kilome 16 km per hour. This is the speed of boat in steel waters. Okay. Next question number 17.

[00:31:30]Question number 17. Which option?

[00:31:36]Train A starts from station P at 10 a.m. and reach station Q at 11 a.m.

[00:31:52]10 a.m.

[00:31:54]But reach 11:30. At what time will the trains cross each other?

[00:32:09]Train A 1 hour train.

[00:32:29]Okay.

[00:32:31]Right.

[00:32:44]Okay.

[00:32:47]Relative speed 5 km hour.

[00:33:01]Total distance 180 by relative 36 option C is your right answer. No doubt.

[00:33:28]Next question number 18.

[00:33:32]Pipe A can fill a tank in 5 hour 30 hour. 45 60.

[00:33:52]This is your The time taken by them to fill of the same time.

[00:34:09]Okay.

[00:34:26]1 hour. Option D is your right answer.

[00:34:29]Next question number 19.

[00:34:32]Question number 19. Try 24 workers can require 18 kilome long road in 45 days in order to complete the same task. Same tax.

[00:34:55]Formula M1 into D1 by W1. This is m_sub_2 into d21 into okay 36 Right.

[00:35:36]This is 30 days.

[00:35:42]How many additional workers?

[00:35:55]right answer. Next question. A sum of money triples itself at a certain rate of compound interest in four years. In how many years will it amount to 27 years? uh 27 times of itself.

[00:36:11]The sum of money at the rate of compound interest rate 27 is your right answer. option C is your right. Okay, that means out of 20 Thanks for watching this class.