Question
The diagonals of a rectangle are inclined to one side of
the rectangle at 25°. The acute angle formed between the diagonals is:Solution
In △BOC, ∠OBC =∠OCB ----- (Opposite angle of isosceles triangle) ∠OBC+∠OCB+∠BOC = 180∘ 25∘ + 25∘ + ∠BOC = 180∘ Therefore, ∠BOC = 130∘ So, ∠AOB + ∠BOC = 180∘ ------- (Linear pair) ∠AOB = 180∘ −130∘ ∠AOB = 50∘ So, the acute angle between the diagonal is 50∘.
Select the option that is related to the third term in the same way as the second term is related to the first term.
72: 81:: 92: ?
Select the related number from the given alternatives:
13 : ? :: 12 : 1729
Select the option that is related to the third number in the same way as the second number is related to the first number.
53: 636 :: 51: ?
If 27 @ 22 = 18 and 29 @ 24 = 21, then 12 @ 25 = ?'. What will come in place of question mark?
If GO = 715 and POT = 161520, then MOTH =
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.
CONCEPT : AMLACNR :: COUNTRY : ?
Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
<...UHON is to WJQP as TQEC is to ……?
Select the option that is related to the third number in the same way as the second number is related to the first number.
37 : 68 :: 24 : ?
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