Question
The square of a number is reduced by 26 times the
number, and then 169 is added to the result. If the final value is 0, what is the number?Solution
Let the number = 'x'According to the question,(x2 - 26x) + 169 = 0Or, x2 - 13x - 13x + 169 = 0Or, x(x - 13) - 13(x - 13) = 0Or, (x - 13)(x - 13) = 0So, the required number 'x' = 13
How many right angled triangles can be made from the given shape?
Exam of each of P, Q, R, S, T, U and V is on a different day of a week starting from Monday and ending on Sunday. P's exam is on Tuesday. Q's exam is on...
‘Z @ A’ means ‘Z is the son of A’.
‘Z * A’ means ‘Z is the brother of A’.
'Z × A’ means ‘Z is the father of A’.
...In the following question, select the missing number from the given series.
14, 6, 5, 6.5, 12, ?
Refer to the given letter, member, symbol series and answer the question that follows.
(Left) K L % Y & 4 E 2 * 3 M & 7 S W # 8 2 H * L (Right)
Some statements are given below followed by some conclusions. Taking the given statements to be true even if they seem to be
at variance from c...
The second number in the given number-pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/ar...
Select the option that is related to the third term on the same basis as the second term is related to the first term.
Zeal : Enthusiasm :: Abduct : ?
Statements:
No crow is a monkey.
All monkeys are turtles.
No turtle is a snail.
Conclusions:
I. Some snails being...
How many right angled triangles can be made from the given shape?