Question
Which two signs should be interchanged to make the
following equation correct? 14 × 5 – 56 ÷ 7 + 35 = 43ÂSolution
The correct answer is C
Find the average of the following sets of numbers.
693, 456, 876, 532, 934, 691, 596, 398, 682
- The average marks of 55 students in a class were calculated as 72. However, there were errors in recording the marks of four students. The incorrect marks ...
A number is such that when it is multiplied by 5, it gives another number which is as much above from 210 as the original number (itself) is below 210. ...
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 ‘x’ runs per matc...
The average of four numbers is 150. Two of the numbers are equal (not least), and 50 more than the least number. If the 4th number is twice the least nu...
The average of 10 numbers is 18. When two new numbers 'a' and 'b' are added, the average increases by 2. If a - b = 30, find the value of b.
Sum of ages of 65 students is 1300 years. The average age of 25 of them is 16 years and the average age of another 20 of them is 14 years. Find the ave...
The average age of three children is 20 years. If their ages are in the ratio 4:5:6. Find the age of the youngest child.
The combined average weight of 8 apples and 5 oranges is 150 grams. If the average weight of the apples is 180 grams, what is the average weight of the ...
In a school with 400 students, the average of the age of the boys is 16 years and that of the girls is 12 years. If the average age of the school is 14 ...
