Repost Two pipes A and B can fill up a half full tank in 1.2 hours. The tank was initially empty. Pipe B was kept open for half the time required by pipe A to fill the tank by itself. Then, pipe A was kept open for as much time as was required by pipe B to fill up 1/3rd of the tank by itself. It was then found that the tank was 5/6th full. What is the least time in which any of the pipes can fill the tank fully? Answer: 4 hours Please tell me the approach!
On solving this question I concluded that the police takes 12 hours to catch the thief and the total distance travelled by dog is 720km but how to calculate the distance travelled by dog towards thief?
99 approach plz
find the number of factors of 100! which are neither square nor multiple of square ?
Can anyone give the correct answer for 1st part with solution!!
50 any easy approach??
Need help in solving this question.
Amar and Akbar left bhubaneshwar simultaneously and travelled cuttack. Amar's speed was 15km/h and that of Akbar was 12km/h. Half and hour late r, Anthony left bhubaneshwar and travelled on the same direction. Some time later, he overtook Akbar and 90 minutes further on he overtook Amar. Find Anthony 's speed
18km/h
24km/h
20km/h
16km/h
Answer is 18km/h
Can anyone please explain the approach for the 28th sum.
Shyam went from Delhi to Simla via Chandigarh by car. The distance from Delhi to Chandigarh is 3/4 times the distance from Chandigarh to Simla. The average speed from Delhi to Chandigarh was half as much again as that from Chandigarh to Simla. If the average speed for the entire journey was 49 kmph. What was the average speed from Chandigarh to Simla? Can someone explain the procedure
On
the planet Krypton, they use numbers in base 21. Kal-el is trying to learn
maths and he writes two three digit numbers 'xyz' and 'yzx' where x, y and z
are different from each other. He takes their difference 'N' which is a positive
no and divides it by 2, 3, 4 and 5. He notices that 'N' leaves a remainder when
divided by one of these nos. Identify that no.
A.) 2
B.) 3
C.) 4
D.) 5
Farm Tax is levied on the 60% of the cultivated Land. The tax department collected total Rs 3840 through the farm Tax from the village of Mr. willam. Mr. willam paid only RS 480 as farm tax. The percentage of total land of Mr. willam over the total taxable land of the village is :
A)15%
B)12.5
C)0.20833
D)NONE
When I subsitiute chandu has 16 chocolates im getting the answer
There are 6 boys and 4 girls sitting for a photo session. They were posing for the photograph standing in 2 rows one behind the other. There were 5 people sitting in the front row and 5 standing in the back row. 2 rows one behind the other. There were 5 people sitting in the front row and 5 standing in the back row.
Q6. If the boys were divided equally among the front and back rows. In how many ways can the photo sessions be arranged?
a. 5! X 5!
b. C (6, 3) x C (4, 2) x 5! X 5!
c. C (6, 3) x C (4, 2) x 10!
d. C (6, 3) x C (4, 2) x 5! x 5! x 2!
Request you to kindly explain the logic
An organization has 3 committees, only 2 persons are members of all 3 committee but every pair of committee has 3 members in common. What is the least possible number of members on any one committee?
12345678910111213141516171819......424344 . What is the remainder when divided by 45?
A father purchased dress for his 3 daughters. The dresses are of same color but diff. Size and they kept in dark room. What is probability that all the 3 will not choose their own dress?
A manufacturer of chocolates makes 6 different flavors of chocolates. The chocolates are sold in boxes of 10 . How many different boxes of chocolates can be made?
How many 4-digit numbers contain no. 2 ?