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(70 × 8 ÷ 10) × 5 = ? ? = 280
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 salary of an employee increased by Rs.2000 when he received a bonus of Rs.58000 in his 35th year of service. Find the average salary of the ...
Four numbers, when arranged in ascending order, are w, x, y and z. The average of the smallest three numbers is 25.5 while the average of the largest th...
The average of 16 numbers is 37. If 3 is added to each number, then the new average will be:
The average score of 'x' boys is (x + 5), and the average score of 30 girls is (3x - 10). If the combined average score of all students is 60, then find...
Sonali applied for a job of Science teacher in a school. In the test for job, she scored 8 in Physics, 8 in Chemistry, 6 in Biology, and 6.5 in the inte...
A candidate just passed by getting 60 answers correct by attempting 132 of the total questions. Find the total number of questions in the examination if...
The average cost of 5 chairs is Rs. 12000. The average cost decrease by 12% when one more chair is included. What is the cost price of the 6th
The average of five consecutive odd numbers is 53. What is the average of the first three numbers among them?
