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Start learning 50% faster. Sign in nowClearly, the given series follows the pattern (-7× ½),(-6× ½),(-5× ½),(-4× ½),(-3× ½),(-2 ×½),(-1× ½) Missing term = (41-1) ×1/2=20 Missing term= [(64.5×2) + 2] = 131
The average age of 24 children and their teacher's age are 21 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
The average cost of 3 chairs is Rs. 8000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4th...
The average weight of 20 students is 27 kg. If two students weighing 19 kg and 47 kg are replaced by a teacher weighing 77 kg, what is the new average w...
Average of 8 numbers is 70. If average of first four and last two numbers is 90 and 50, respectively then find the fifth number given that ratio of fift...
The average of 25 numbers is 40. If 2 is added to each number, then the new average will be:
Average age of a class of 28 students is 10 years. Average age of the class is increased by 12 months if the age of the teacher is included. Find...
Average of first 4 numbers is 1.5 times the average of the next 2 numbers. If the average of all 6 numbers is 30, find the sum of the last 2 numbers.
Average marks scored by Vineet in five subjects are 80. The average marks scored by him (excluding his highest and lowest marks) are 72 and lowest marks...
The income of B is 85% of A and income of C is Rs 3600 more than that of B. The average income of all three together is Rs. 8400. A and B spend 50% of t...
