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Start learning 50% faster. Sign in nowLet breadth and height of the room be b and h respectively. From I, Area of the four walls of the room = 2(10 + b)h = 6400/25 ⇒ 2(10 + b)h = 256 ⇒ (10 + b)h = 128 m……… (i) From II, 10 × b = 8400/140 ⇒ b = 8400/(140 ×10) = 6 m………(ii) By putting the value of b in equation (i), we get (10 + 6)h = 128 m ⇒ h = 128/16 = 8m. Therefore, both statement I and statement II together is required to answer the question.
Choose the alternative which is closely resembles the water-image of the given combination.
Which of the option figures is the exact mirror image of the given figure when the mirror is held at the right side?
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Select the correct mirror image of the given combination when the mirror is placed at ‘XX’ as shown.
Select the correct mirror image of the given combination when the mirror is placed at ‘PQ’ as shown.
Select the correct mirror image of the given combination when the mirror is placed at ‘AB’ as shown.
Choose the correct image of the given question from the given options.