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Apurba
Could you please help me with this mathematical problem?
a man in a train notices that he can count 31 poles in one minute. if they are known to be 50 metres apart, then at what speed is the train traveling?
4 AnswersMathematics2 weeks ago12 January, 1980 was a Saturday. The day of the week on 12 January, 1979 was?
Could you please explain this in a mathematically way as simple as possible using formulas or equations?
2 AnswersMathematics2 weeks agoIf HOBBY is coded as IOBY and LOBBY is coded as MOBY; then BOBBY is coded as?
The answer is COBY. Could you please tell me how.
2 AnswersMathematics2 weeks agoIn a college having 300 students, every student reads 5 newspapers and every newspaper is read by 60 students. The number of newspapers..?
..required is?
The answer is 25. Could you please tell me how.
1 AnswerMathematics2 weeks agoThis is based on coding?
Given that in a code language, '645' means 'day is warm;' '42' means 'warm spiring' and '634' means 'spring is sunny;' which digit represents 'sunny'?
The answer is 3. Could you please explain
1 AnswerMathematics2 weeks agoThis is a question on time and distance ?
In a certain city, the cab charges comprise a fixed charge and the charge of the distance traveled. A person paid $156 for a journey of 16km and another person paid $204 for the journey of 24km. The amount paid by a passenger who has traveled 30 km is?
The answer is 240.
3 AnswersMathematics2 weeks agoA group of 7 members having a majority of boys to be formed out of 6 boys and 4 girls. The number of ways the group can be formed is?
The answer is 100. Could you please show me how
1 AnswerMathematics2 weeks agoThe next term in the series 2,7,28,63,126, __?
The answer is 215. But I am getting 245. Could you please show me how it's 215?
3 AnswersMathematics3 weeks agoThe sides of a triangle are in the ratio of 1/2:1/3:1/4. If the perimeter is 52 cm, the length or the smallest side is?
The answer is 12 cm. Could you please show me how?
7 AnswersMathematics3 weeks agoWhich is the number that comes next in the sequence?
9,8,8,8,7,8,6
The answer is 8. Could you please tell me how?
2 AnswersMathematics3 weeks agoRatio question ?
The price of oil is increased by 25%. If the expenditure is not allowed to increase, the ratio between the reduction in consumption and original consumption is?
2 AnswersMathematics3 weeks agoIf the side of a square increases by 40%, then the area of the square increases by?
The answer is 96%. Could you please explain to me how?
5 AnswersMathematics3 weeks agoHow many numbers between 100 and 300 begin or end with 2?
6 AnswersMathematics3 weeks agoPercentage question ?
The price of gas increases by 25%. By what percentage must a customer reduce the consumption so that the earlier bill on the gas doesn't alter?
7 AnswersMathematics3 weeks agoSequence and series?
The next term in the series: 2, 7, 28, 63, 126, __?
The answer is 215. Could you please explain how?
2 AnswersMathematics3 weeks agoProblem based on directions?
Andrew, after traveling 6km towards the east from his house, realized that he has traveled in the wrong direction; he turned and traveled 12km toward the west, turned right, and traveled 8km to reach his office. The straight distance of the office from his house is?
The answer is 10km.
1 AnswerMathematics3 weeks agoThe marks scored by a student in five subjects are?
89, 95, 99, 80, and 85. The average mark scored by him was 89.6. It was later found out that the marks were mistakenly considered 80 instead of 88. Find the correct average.
2 AnswersMathematics3 weeks agoMean or average based question ?
A group of 210 students appeared in a test. The mean of the students is found to be 60. The mean of the remaining students is found to be 78. The mean of the whole group will be?
2 AnswersMathematics3 weeks ago