One student takes 20 mins to reach school if he goes at a
speed of 15kmph .At what speed should he go to reach in
15 mins ?
Answer Posted / surya teja challapalli
Distance travelled by the student in 20 mins=15*(20/60)=5 km
In 15 min student must travelled with speed,=5/(15/60)
=5*(60/15)
=5*4= 20km/hr.
| Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
rrb second stage written exam in aptitude test model papers
one man or two women or three boys can do a work in 44 days then one man, one women and one boy together can fininsh the same work in ---- days
In which of the system, decimal number 194 is equal to 1234?
There are 3 males and 2 females,find the possible no of orders that can be made by making the arrangement as in between two males one women is allowed to sit?
If the graphs of the equations x + y = 0 and 5y + 7x = 24 intersect at (m, n), then the value of m +n is?
In a survey of town of Wasco, it was found that 65% of the people surveyed watched the news on television, 40% read newspaper, and 25% read a newspaper and watched the news on television. What percent of the people surveyed neither watched the news on the television nor read a newspaper?.
A cycled from P to Q at 10 kmph and returned at the rate of 9 kmph. B cycled both ways at 12 kmph. In the whole journey B took 10 minutes less than A. Find the distance between P and Q.
If A=Z, B=Y, C=X, .......... Z=A, Then SOUR = ?
7) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. She has two pairs of skirts, brown and blue; three blouses, white, sky blue, and gray; four pairs of stockings, red, black, brown, and blue; and two pairs of shoes, black and brown. The blue skirt cannot be worn with red or brown stockings. Gray does not go well with brown. Black does not go well with brown. If Jane wears black shoes she will not wear: a) red stockings. b) a blue skirt. c) a white blouse. d) blue stockings. e) a sky blue blouse. 8) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. She has two pairs of skirts, brown and blue; three blouses, white, sky blue, and gray; four pairs of stockings, red, black, brown, and blue; and two pairs of shoes, black and brown. The blue skirt cannot be worn with red or brown stockings. Gray does not go well with brown. Black does not go well with brown. If Jane is color blind and is unable to determine what outfits went well together, how many possible clothing combinations could she have? a) 24 b) 32 c) 36 d) 44 e) 48 9) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. She has two pairs of skirts, brown and blue; three blouses, white, sky blue, and gray; four pairs of stockings, red, black, brown, and blue; and two pairs of shoes, black and brown. The blue skirt cannot be worn with red or brown stockings. Gray does not go well with brown. Black does not go well with brown. If Jane wears a brown skirt and a white blouse, she could: a) not wear blue stockings. b) not wear brown shoes. c) not wear black shoes. d) wear blue stockings. e) wear red stockings. 10) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. She has two pairs of skirts, brown and blue; three blouses, white, sky blue, and gray; four pairs of stockings, red, black, brown, and blue; and two pairs of shoes, black and brown. The blue skirt cannot be worn with red or brown stockings. Gray does not go well with brown. Black does not go well with brown. Jane buys a gray scarf. If she wears the new scarf, then she could: a) not wear blue stockings. b) not wear brown stockings. c) not wear black shoes. d) wear a white blouse. e) wear black stockings. 11) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. She has two pairs of skirts, brown and blue; three blouses, white, sky blue, and gray; four pairs of stockings, red, black, brown, and blue; and two pairs of shoes, black and brown. The blue skirt cannot be worn with red or brown stockings. Gray does not go well with brown. Black does not go well with brown. Jane will never wear: a) blue and red together. b) white and red together. c) gray and blue together. d) white and black together. e) white and red together. 12) Two men, Barry and David, and two women Ann and Cathy are doctors. One is a surgeon, one a dentist, one an optometrist, and one is a general practitioner. They are seated around a square table, with one person on each side. 1) Barry is across from the dentist. 2) David is not across from the surgeon. 3) The optometrist is on Ann's immediate left. 4) Cathy is the general practitioner. 5) The surgeon and general practitioner are married to each other. 6) The general practitioner is not on Cathy's immediate left. 7) The general practitioner is across from the optometrist. Which of the following must be true? a) Barry is the dentist. b) The surgeon and general practitioner are women. c) The dentist is across from the surgeon. d) David is the surgeon. e) Cathy is across from Ann. 13) Two men, Barry and David, and two women Ann and Cathy are doctors. One is a surgeon, one a dentist, one an optometrist, and one is a general practitioner. They are seated around a square table, with one person on each side. 1) Barry is across from the dentist. 2) David is not across from the surgeon. 3) The optometrist is on Ann's immediate left. 4) Cathy is the general practitioner. 5) The surgeon and general practitioner are married to each other. 6) The general practitioner is not on Cathy's immediate left. 7) The general practitioner is across from the optometrist. If both women leave the table, the a) optometrist and dentist remain. b) surgeon and optometrist remain. c) surgeon and general practitioner remain. d) general practitioner and dentist remain. e) general practitioner and optometrist remain.
a man works. He has to maintain 100 cups. He gets 30 ps for every cup he safeguards and has 10 pay 90 ps for every cup he breaks.if he earns rs.24 per day, how many did he break?
If m/n = 5/4 , then 2m+n= ?
There is a safe with a 5 digit number as the key. The 4th digit is 4 greater than second digit, while 3rd digit is 3 less than 2nd digit. The 1st digit is thrice the last digit. There are 3 pairs whose sum is 11. Find the number.
X and Y are partners in a business. X invests 300 for 12 months and Y invested 600 for 6 months. If they gain a profit of 700 at the end of one year, what is X's share?
In a pond ecosystem, large fishes and small fishes will be there. If we want to remove small amount of pollutants, small fishes are to be employed. In a food chain food passes through a number of mouths and en route the mouth of the super feeder-the eagle. Its population determines the size of the ecosystem. But this has been proved false.What can you infer from above? (4 choices)
A work is done by two people in 24 minutes. One of them alone can do it in 40 minutes. How much time will the other person will take to complete it