Question
The sum of six consecutive even numbers is 78. What is
the sum of the squares of these numbers?Solution
Let the first number be x x + x + 2 + x + 4 + x + 6 + x + 8 + x + 10 = 78 ⇒ 6 x + 30 = 78 ⇒ 6 x = 78 – 30 ⇒ 6 x = 48 ⇒ x = 8 Sum of the squares of the numbers = 8² + 10² + 12² + 14² + 16² + 18² = 1084
How many boxes are kept above the box with Orchid?
Who likes Daisy?
How many persons likes after the one who likes Papaya?
Statements:
A < B ≥ C > U = W; R < Q > L ≤ W = Y; Q > P
Conclusions:
I. B < P
II. C > R
On which of the following days the English exam was held?
Six friends B, C, D, E, F and G, have exam on six different days, starting from Monday and ending on Saturday, of the same week in the month. G has exa...
Four of the five among the following are similar in such a way to form a group, which one of following doesn’t belong to the group?
...Whose anniversary is on 27th of July?
What is the position of E with respect to D?
If C is related to A, D is related to E, in the same way to how G is related to?
