Description : The largest numbers which divides 30, 78 and 102 to leave the same remainder in each case is (a)24 (b) 20 (c) 8 (d) 16
Last Answer : 24
Description : The sum of two numbers is 528 and their H.C.F is 33. What is the number of pairs of such numbers ? (a) 4 (b) 12 (c) 8 (d) 6
Last Answer : Ans 5. 4 Hint : Let the number be 33x and 33y where x and y are co-prime.
Description : Six bells commencing tolling together toll at intervals of 2, 3, 6, 8 , 10 and 12 seconds respectively.In 30 minutes how many times do they toll together?
Last Answer : Ans 1. L.C.M of 2, 4, 6, 8, 10 and 12 is 120. so, the bells will toll together after 120 seconds i.e. 2 minutes . In 30 minutes the bells toll together 30/2 + 1 times i.e. times.
Description : Find the least number of five digits which is exactly divisible by 12, 15 and 18. (a) 1080 (b) 10080 (c) 10025 (d) 11080
Last Answer : 10080 Hint : The least number of 5 digits is 10000. L.C.M. of 12, 15 and 18 is 180 . On dividing 10000 is 100. => 10000 + 180- 100 = 10080 is divisible by 180.
Description : Three measuring rods are 64 cm,80 cm and 96 cm in length . What is the least length of cloth that can can be measured exact number of times using any one of these rods? (a) 9.60 m (b) 8 m (c) 9.60 cm (d) 96 m
Last Answer : Ans 4. 9.60 m
Description : The L.C.M of two numbers is 14 times their H.C.F . The sum of the L.C.M. and the H.C.F . is 600. If one number is 280 , then the other number is (a) 40 (b) 60 (c) 80 (d) 100
Last Answer : 80
Description : The H.C.F of two numbers is 11 and their L.C.M is 7700. If one of these numbers is 275, then find the other number.
Last Answer : Ans 2. Product of two number s = product of their H.C.F. and L.C.M. required number = 11 X 7700/275 = 308
Description : Find the greatest unit of time with which 5 hours 15 minutes and 8 hours 24 minutes can both be represented as integers. (a) 70 min. (b) 63 min. (c) 48 min. (d) 42 min.
Last Answer : 63 min.
Description : The smallest number which when divided by 20, 25, 35 and 40 leaves a remainder of 14, 19 , 29 and 34 respectively is (a) 1994 (b) 1494 (c) 1394 (d) 1496
Last Answer : 1394 Hint: Note that 20 -4 = 6; 25 -19 = 6;35-29= 6;40- 34 = 6 Required number = L.C.M. of ( 20, 25, 35 and 40)-6
Description : If angel plants the same number of flowers in each of 5 rows he will have none left over.If he plants 1 more in each row then he did in the previous rowhow many flowers does he Have left?
Last Answer : None
Description : A fisherman rows to a place 24km distance and back in 7 hours. He finds that he can row 2km with the stream in the same time 1.5 km against the stream.The rate of the stream is? A) 7 B) 5 C) 3 D) 1
Last Answer : Answer: D Explanation: Let be moves 2 km downstream in x Hours Then in speed downstream = 2/x kmph Speed in upstream = 1.5/x kmph ==> 24/2/X + 24/1.5/X = 7 12x+16x=7 Therefore x=1/4 Speed in downstream = 8 Kmph Speed in upstream = 6 Kmph Then the Rate of stream = 1/2 (8 - 6) = 1 Kmph
Description : X, Y , Z are three towns on a lake which flows uniformly. Y is equidistant from X and Z. A man rows from X to Y and returns in 20hrs. He can row from X to Z in 8 hr. The ratio of speed of the man in still water to the speed of the current is. A) 3:5 B) 5:3 C) 2:3 D) None of these
Last Answer : ANSWER: A Explanation: Let the speed of man in still water = x km/hr Speed of the current = y km/hr Speed of downstream = (x+ y) km/hr Speed of upstream = ( x - y) km/hr Let the lake be flowing from X to Z and xy = yz a ... y = 1 / 4 4x - 4y = x + y 3x = 5y x / y = 3 / 5 x : y = 3 : 5
Description : Speed of a boat in standing water is 9kmph and the speed of the stream is 1.5kmph. A man rows to a place at a distance of 10.5 km and comes back to the starting point. Find the total time taken by him. A.24 hours B.16 hours C.20 hours D.15 hours
Last Answer : Answer- A Basic Formula: i. speed = distance traveled / time taken ii. speed of the stream = ½ (a-b) km/hr iii. speed in still water = ½ (a+b) km/hr Explanation: Speed in still water= ½ (a+b) = 9km ... gives a = 10.5km/hr ; b=7.5 kmphr Total time taken by him = 105/10.5 + 105/7.5 = 24 hours
Description : There is certain number of rows of chairs in a room .The number of chairs in each row is thrice the total number of rows. Find the number of charis in
Last Answer : There is certain number of rows of chairs in a room .The number of chairs in each row is thrice ... in the room if the total number of chairs is 2187
Description : My brother has always been the adventurous type. Unlike me, a high ranking government official, my dear brother avoids politics whenever possible, choosing to pursue more dangerous interests. In fact, my brother ... all of this information, can you state my name and the name of my brother? -Riddles
Last Answer : My name is Mycroft Holmes, and the name of my celebrated brother is Sherlock.
Description : A girl can row 15 kmph in still water and he finds that it takes him thrice as long to row up as to row down the river. Find the rate of stream. A) 2.5 B) 5.5 C) 7.5 D) 12.5
Last Answer : Answer: C Explanation: Given that, time taken to travel upstream = 3 time taken to travel downstream When distance is constant, speed is inversely proportional to the time Hence, 3 speed upstream = speed downstream ... ., speed upstream =7. 5 km/hr Rate of stream =1/2(3x−x)= x = 7.5km/hr
Description : If a boy rows 8 km downstream in 6 hours and 4 km upstream in 4 hours then how long will he take to cover 16 km in stationary (still) water? A) 8 B) 14 C) 22 D) 16
Last Answer : Answer: B Explanation: Distance covered in downstream = 8 km Time taken in downstream = 6 hours. Rate of downstream = 8/6=4/3 km/hr Distance covered in upstream = 4 km Time taken in upstream = 4hours. ... 3+1) = 7/6km/hr Time Taken to cover 16 km in still water = 16*6/7=14hrs (approximately)
Description : Spencer had room for 16 rows of tomatoes and onions in his garden. He planted 3 rows of tomatoes for every 5 rows of onions. How many rows of onions did he plant?
Last Answer : what is the answer
Description : Plantations of rows of trees and shrubs along roads, rails, around residential complexes, educational institutes, etc. is called
Last Answer : Plantations of rows of trees and shrubs along roads, rails, around residential complexes, educational institutes, ... C. Wind break D. Both B and C
Description : A protective plantation in a certain area, against strong winds. It is usually comprised of a few rows of trees (or shrubs)
Last Answer : Ans. Wind breaks
Description : Crops are grown between the rows of trees or shrubs is a type of which cropping ?
Last Answer : Ally cropping
Description : A man rows to a place 48km distant and back in 14 hours. He finds that he can row 4km with the stream in the same time as 3km against the stream. Find the rate of the stream. A.2 km/hr B.1 km/hr C.3 km/hr D.3.5km/hr
Last Answer : Answer- B Basic Formula: Speed of the stream = ½ (a-b) km / hr Speed = distance traveled / time taken Explanation: Suppose he moves 4km downstream in x hours Then, downstream a= 4 / x km/hr Speed upstream b = 3/ x km/hr ... = 1/2 a=8 km/hr ,b = 6 km/hr rate of stream = ½ (8 - 6 ) = 1 km/hr
Description : A woman rows to a place 24km distant and come back in 7 hrs. She finds that she can row 2km with the stream in the same time as 1.5km against the stream. The rate of the stream is, A) 2 B) 4 C) 1 D) 3
Last Answer : ANSWER: C Explanation: Suppose she move 2km downstream in x hrs Then, speed of downstream = (2/x) km/hr Speed of upstream = (1.5/x) km/hr Therefore 24/(2/x) + 24/(1.5/x) = 7 12x + 16x = 7 ... of downstream = 8km/hr and upstream = 6km/hr Rate of the stream = ½ (8 - 6 )km/hr = 1 km/hr
Description : A boy has given `7//12` of his marbles to his friend and is left with only 20 marbles. Find how many marbles he had with him initially
Last Answer : A boy has given `7//12` of his marbles to his friend and is left with only 20 marbles. Find how many marbles he had with him initially
Description : A little girl named Sasha was left home alone with her butler, chef, and gardener. Sasha's parents went out on a date night and came home and found their daughter stabbed to death. The police ... of killed her'. Automatically the cops knew who it was and arrested them. Who and How? -Riddles
Last Answer : The butler because the cops never mentioned that she was stabbed with a knife.
Description : What is the minimum number of rows and columns that a word table can have a) 1 row & 1 column b) 2 rows & 2 columns c) Zero d)1 row & 2 columns e) None of The Above
Last Answer : a) 1 row & 1 column
Description : The minimum number of rows and columns that a word table can have, is: a) Zero b) 1 Row and 1 Column c) 1 Row and 2 Columns d) None of The Above
Last Answer : b) 1 Row and 1 Column
Description : A boys rows to a certain place and comes back, but by mistake he covers 2/3rd more distance while coming back. The total time for this journey is 20 hours. The ratio of speed of boat to that of ... starting point from his present position? A) 2hr 13mints B)1hr 30 mins C) 2hr 30mins D)1hr 40 mins
Last Answer : ANSWER : A Explanation: let speed of boat and stream be 2x and x respectively So downstream speed = 2x+x = 3x, and upstream speed = 2x-x = x Let total distance between points is d km So he covered d ... with speed 3x = 48 km/hr(downstream) So time is 80/36 * 60 = 133.33 minutes = 2hr 13mins
Description : In the early 1900's in England, there was two towns: town A and town B, and there was a huge river in between them. The only way across to each town was by a long bridge with a guard ... back. Many people have tried to cross but have always been caught, even very fast runners have only ab -Riddles
Last Answer : Did you get it? The answer is that they went up close to the guards tower, turned around and started walking back to the town they came from, the guard caught them and assumed that they came ... way and sent them back! Hope you enjoyed this, please subscribe and check back soon for more riddles!
Description : Slicing Compressed Sparse Row (CSR) matrix in Scipy - how to select some rows from CSR matrix? -Web-Development
Last Answer : answer:
Description : If the rivets in adjacent rows are staggered and outermost row has only one rivet, the arrangement of the rivets, is called (A) Chain riveting (B) Zig-zag riveting (C) Diamond riveting (D) None of these
Last Answer : (C) Diamond riveting
Description : I just rescued 5 Rose of Sharon Shrubs and tried transplanting them.
Last Answer : Need Answer
Description : A man can row 15 km/hr in still water. It takes him twice as long to row upstream as to row downstream. Find the rate of stream? a) 5 km/hr b) 10 km/hr c) 7.5 km/hr d) 6 km/hr e) 8 km/hr
Last Answer : Let the man’s upstream speed be x km/hour and downstream speed will be 2x km/hour Speed in still water = 1/2 (2x + x) = 3x/2 km/hour 3x/2 = 15 X = 10 Hence, his downstream speed = 20km/hour Rate of stream = 1/2 (20-10) = 5km/hour Answer: a)
Description : My friend and I were having a normal conversation at first but then I asked if he had asked someone out for Valentine's. He left me on read and then went offline. I think I asked the wrong question. Should I apologize or should I give him some time?
Last Answer : By the way, he was rejected a couple of times before and sounded pretty sad about it.
Description : my adopted son has adhd and is Bipolar mixed and I have had him in and out of physc wards since he was 12, now he is 16,and failing 9th grade and apparently doesnt care.talking doesnt work taking things away ie, tv,phone privaleges,etc , Im also fet up ?
Last Answer : Bipolar disorder is a very serious MEDICAL condition, and cannot be treated by taking away phone and TV privileges. Your son is in serious need of help; seek out a well-regarded specialist A.S.A.P.
Description : I am trying to locate a friend who was bonded out by a bondsman in Dalton(a vet) who trusted him without a co signer because he was a DAV. we know he had to go to court but we have not seen or heard from him, in apprx. a month. I need to find the bondsman?
Last Answer : You should be able to contact the jail in which he was bonded from and get the name of the person or company that bonded him out
Description : Samara was playing a game. She wrote down this number sentence to find the total number of points for 11 games in a row. 5 7 9 3 1 3 9 8 5 2 3 What's the sum of her scores?
Last Answer : 55
Description : This man was on death row and only family members could see him this man walks up to the gaurd and says 'Brothers and sisters have I none' but this mans father is my fathers son The gaurd let him in How is he related? -Riddles
Last Answer : The father going to see his son on death row
Description : Mr. Brown was killed on Sunday after noon. The wife said she was reading a book. The butler said He was taking a shower. The chef said he was making breakfast. The maid said she was folding clothes, and the gardener said he was planting tomatoes. Who did it? -Riddles
Last Answer : The chef killed Mr. Brown because he said he was cooking breakfast but it was a Sunday afternoon.
Description : The Queen lives in a beautiful castle with her only son and a sheep-dog named Sir FooFoo. One day the Queen decides to go out for a spot of tea with some friends. She leaves her eight-year- ... State. When the Queen came home she discovered her son was missing and that he was kidnapped. The -Riddles
Last Answer : Surlamina is responsible for the kidnapping because there is no Secretary of State in a monarchy. It is believed that Surlamina kidnapped the Queen's son because she was not given a real job.
Description : A man was found murdered in his own house on a Sunday morning. His wife called the police. The police questioned the wife and got the following alibis: The wife said she was sleeping. The Cook ... the closet. The police instantly arrested the murderer. Who did it and how did they know? -Riddles
Last Answer : The maid. There is no post on Sunday.
Description : A Panda Bear walked into a restaurant. He sat down at a table and ordered some food. When he was finished eating, he took out a gun and shot his waiter. He then left the restaurant. After the ... killed the waiter. He replied, Look me up in the dictionary. What did the dictionary say? -Riddles
Last Answer : When they looked up the word 'Panda' in the dictionary, it stated, 'Panda: Eats shoots and leaves.
Description : One morning a man is leaving on business trip and finds he left some paperwork at his office. He runs into his office to get it and the night watchman stops him and says, 'Sir, don't get on the ... for saving his life and then fires him. Why did he fire the watchman that saved his life? -Riddles
Last Answer : He was fired for sleeping on the job!
Description : Kathir bought some bananas at Rs.20 per dozen and bought the same number of bananas at Rs.16 per dozen. He sold these bananas at Rs.22 per dozen and gained Rs. 240. The total number of dozen bananas bought by him was:
Last Answer : Cost price : 1 dozen bananas = Rs. 20 1 dozen bananas = Rs. 16 2 dozen bananas= Rs. 36 1 dozen bananas = Rs. 18 Selling price: 1 dozen bananas = Rs.22 Profit per dozen is Rs. 4 Therefore x* profit = Rs. 240 x = 240/4 X = 60 dozen
Description : A this usual rowing rate, Mohit can travel 12 miles downstream in a certain river in 6 hours less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for his 24 miles round trip, ... current in miles per hour? A.2.5m/hr B.4 m/hr C.8/3 m/hr D. 5/3m/hr
Last Answer : Answer-C Basic Formula: Speed of the stream = ½ (a-b) km/hr Explanation: Let the speed in still water be x m/hr Speed of stream be y m/hr Then, speed upstream = x-y m/hr and Speed downstream = x+y m/hr 12/x-y - ... 1] 3y^2 = 8 y so, y = 8/3 speed of the current = 8/3 m/hr = 2 (2/3) m/hr
Description : Six persons Amit , Balu, Chetan, Daya, Jay and Ravi are arranged in a row and occupations are Teacher, Doctor, Lawyer, Police, Driver and Engineer respectively. I. A is an engineer placed at one of the ends ... . If F is Police, then the occupation of E is a) Teacher b) Doctor c) Lawyer d) Engineer
Last Answer : a) Teacher
Description : Has the USDA organic logo always had rows at the bottom?
Last Answer : USDA organic logo Take your pick !
Description : If Chris Bromham took off on his Yamaha and jumped a horizontal distance of 74.0 m across a row of cars and assuming that he started and landed at the same level and was airborne for 1.3 s, what was his initial (angled) velocity as he left the ground?
Last Answer : I really need help. If someone can explain this to me, it'll be great!
Description : A man can row 9 (1/3) kmph in still water and finds that it takes him thrice as much time to row up than as to row down the same distance in the river. What is speed of the current ? A. 5km/hr B.3(1/2) km/hr C.4 (2/3) km/hr D.8 (3/2)km/hr
Last Answer : Answer- C Basic Formula: Speed of current = ½ (a-b) km/hr Explanation: Let man's rate upstream be x km/hr. Then his rate downstream is 3 x km/hr Given: Speed in still water = 9 (1/3) = 28/3 km/hr i.e, ½ (a+b) = ... the current = ½ (a-b) = ½ (14 - 14/3) = ½ (42-14/3) = 28/6 = 4 (2/3) km/hr