Question
Simplify the following expression: Â Â (400
+175) ² - (400 – 175) ² / (400 × 175)Solution
Let,  a =400 and b =175. (a +b) ² - (a – b) ² / (a × b)     … (1) As we know that – (a +b) ² - (a – b) ² =4 ab Put the value in Equation (1) =4ab /ab =4.
Select the figure from the options that can replace the question mark(?) and complete the given pattern.
Seven people S, E, C, T, I, O and N are sitting around a circular table, facing the centre(but not necessarily in the same order). E is sitting second t...
Choose the one which is different from the rest.
Three of the following four number-pairs are alike in a certain way and thus form a group. Which is the pair that does not belong to that group?
...
Statement I: All bats are balls.
Statement II: All balls are badmintons.
Statement III: All badmintons are wickets.Â
Conclusion I:...
Two dimensions of the same dice are given. What letter will be on the face opposite to the face having the letter D?
Identify the figure that completes the pattern.
What is the minimum value of 'Y' for which 267Y2 is divisible by 3?
Choose the correct mirror image of the following figure. (Note: Mirror is placed vertically towards the right of the figure)
If + means −, − means ×, × means ÷ and ÷ means +, then what will come in place of the question mark (?) in the following equation?
81 × ...
Relevant for Exams:
