Question
How many carbon atoms are present in a molecule of
propene?Solution
Propene, a simple alkene, has the chemical formula CH3CH=CH2, consisting of three carbon atoms.
- The average of two consecutive even numbers is 71. If the smaller number is increased by 45% and the larger number is decreased by 45%, then find the diffe...
A writer wrote a certain number of pages daily for the first 20 days. In the next 10 days, he wrote at an average of 54 pages per day. This increased hi...
- The average of 30 numbers is 72. If the average of the first 12 numbers is 60 and the average of the last 19 numbers is 80, find the 12th number.
A player scored an average of 58 runs per match in the first 30 matches. In his next 10 matches, he scored runs with an average of βxβ runs per matc...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 64.5 while average of last 5 numbers is 84.8 and 13th, 14th...
Komal bought 20 kg rice for Rs 30 per kg, b kg rice for Rs 35 per kg and (b + 4) kg rice for Rs 25 per kg. She mixed all type of rice together and the a...
A bag contains 6 red, 10 yellow, and 14 black balls. If 2 balls are picked at random without replacement, find the probability that the first ball is re...
- The average of series 'S3', which consists of 6 consecutive even numbers, is 33. The second term of series 'T3', which consists of 5 consecutive odd number...
If the average of 38, 49, 42, and 'b' is 50, then find the value of '2b'.
Average run scored by a batsman in 16 innings is 40. In next 6 innings, he scored runs with an average of βxβ so that his overall average increases ...