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1600 ÷ 0.5 = 800 800 ÷ 1 = 800 800 ÷ 2 = 400 400 ÷ 4 = 100 100 ÷ 8 = 12.5 Therefore, 800 should come in place of 1200.
The average of 22 numbers is 90. The average of the first 14 numbers is 95, while the average of the last 10 numbers is 85. If the 14th number is remove...
The average weight of 12 players in a team is increased by 1/3 kg, when one of the players whose weight is 55 kg is replaced by another player. What is ...
The average cost price of 13 pens (having equal cost price) decreased by Rs.3, when one of the pen is replaced by a new pen having cost price of Rs.60. ...
The average selling price of rice is Rs. 5 per kg more than the average selling price of pulses. The quantity of pulses sold is 25% more than the quanti...
The average age of a class of 17 girls is 12 years. If 3 new girls having average age of 8 years join the class, then the average age of the class becomes:
The average mark obtained by 110 candidates in a certain examination is 45. If the average marks of passed candidates are 50 and that of the failed cand...
S1 is a series of 5 consecutive prime numbers starting from the second lowest prime number. S2 is a series of 5 consecutive odd numbers whose first term...
The average price of two books, namely 'X' and 'Y' is Rs. 850 whereas the average price of books 'Y' and 'Z' is Rs. 910. If the average price of book 'X...
The annual production of an article fluctuates. It consistently rises by 25% for two consecutive years, followed by a 20% decline in the third year. In ...
The average marks scored by 20 boys and 45 girls are 88 and 94 respectively. Find the average marks scored by all the students together. (Answer should ...