Question
A student's average score across five subjects is 72. If
the scores in four subjects are 68, 75, 70, and 80, what is the average of the top three highest-scoring subjects?Solution
Total marks of 5 subjects = 72×5 = 360 Marks of 5th subject = 360 – (68+75+70+80) = 360-293 = 67 Top 3 scores = 80, 75, 70 Required average = 1/3 (80+75+70) = 225/3 = 75
If first and last digit of each number is multiplied and then the product is added to the sum of the middle two digits of the number, which resultant nu...
If 2 is subtracted from the second digits of each of the numbers, how many numbers thus formed will be divisible by three?
Select the set in which the numbers are related in the same way as are the numbers of the following set.
(4, 14, 44)
What should come next in the following number series?
5 6 7 5 5 6 6 7 7 5 5 5 6 6 6 7 7 7 5 5 5 5
Select the number that can replace the question mark (?) in the following series. 17, 21, 30, 46, 71, ?
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
48 6 3
x 12 11
If ‘ x' is the resultant of the first row, what is the resultant of the second row?
...87 25 36
44 22 13
What is the sum of the resultants of the two rows?
...Select the number-pair in which the two numbers are related in the same way as are the two numbers of the following number-pair.
7 : 85
This question is based on the five, three-digit numbers given below.
(Left) 879 896 884 936 985 (Right)
(Example- 879 – First digit ...
