x is divisible by 42.which of the following is definitely a factor of x^2?
A. 63 b. 33 c. 36 d. 8 e. 42
How to solve this..
Please help me with this... Explain... A flask contains pure Milk. 5 litres of milk is removed and replaced with water. This process is repeated once more. At this stage the ratio of water and milk is 15:49. Find the amount of milk present in the flask at the beginning (in litres) A) 35 B) 40 C) 45 D) 50
How to solve this..
Can someone help me with this? Find the number of ways in which 6 boys and 6 girls can be seated in a row such that no two girls are together.
How to solve this..
Q-30 please....with approach
10 que please
Q.29 and 30. Kindly help
Please help me with this problem... With explanation... A solution of 185 ml containing a% of ethanol is mixed with a solution of 259ml containing b% of ethanol to form a solution containing 87% of ethanol. What can be the volume of solution thus formed?
Please tell how the answer came
Approach
Please explain the below problem... A dog, standing at a hilltop starts descending down the slope and meets his owner who starts his upward journey from the hill-base at the same time the dog starts. The dog meets the owner, goes back to the top, comes back again to meet the owner and repeats this till the owner reaches the hill top. The owner’s up-hill speed is 6 m/sec, dog’s downhill speed is 15 m/sec, uphill speed is 9 m/sec. The hill slope is 720 metre. Find the following: i) The total distance travelled by the dog. ii) The time taken by the dog for downward journey. Answer choices i) A. 900 m B. 1050 m C. 1200 m D. 1350 m E. 1500 m Answer: (D) ii) A. 30 sec B. 45 sec C. 60 sec D. 75 sec E. 90 sec Answer: (B)
Approach?
Please explain this with solution... A dishonest milk vendor sells milk at his cost price but he adds 200 ml of water to every litre of milk and he gives 20% less than the quantity he claims to give. Find the profit percentage of the vendor in selling 10 litres. a) 40% b) 50% c) 45% d) 36%
HELP!!! A solution of 185 ml containing a% of ethanol is mixed with a solution of 259ml containing b% of ethanol to form a solution containing 87% of ethanol. What can be the sum of a and b?
How the denominator has been changed from 8 to 17 in the second remainder process?
Solution plz
Please explain how to approach this problem... A boat started travelling downstream from a point A on a river. After it had travelled 12 km, a log started floating from A. The boat travels 2 more hours in the same direction and then turns around and meets the log at a point 12 km from A. If the speed of the boat in still water is thrice the speed of the stream, find the speed of the stream.