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2Votes1Answer(s)Using prime factorisation, find the HCF of $180, 140$ and $210$Posted on: Mar 13, 2025 by: Mohit Bhardwaj Last updated: Mar 13, 2025 | Tags:
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2Votes1Answer(s)Verify that $\displaystyle sin 2A = \frac{2 tan A}{1 + tan^2A} for A= 30^\circ$Posted on: Mar 13, 2025 by: Mohit Bhardwaj Last updated: Mar 13, 2025 | Tags:
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2Votes1Answer(s)Evaluate $\frac{cos 45^\circ }{tan 30^\circ + sin 60^\circ}$Posted on: Mar 13, 2025 by: Mohit Bhardwaj Last updated: Mar 13, 2025 | Tags:
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2Votes1Answer(s)Find length and breadth of a rectangular park whose perimeter is $100$ m and area is $600$ $m^2$Posted on: Mar 13, 2025 by: Mohit Bhardwaj Last updated: Mar 13, 2025 | Tags:
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2Votes1Answer(s)Three measuring rods are of length 120 cm, 100 cm and 150 cm. Find the least length of the fence that can be measure an exact number of times, using any of the rods. How many times each rod will be used to measure the length of the fence?Posted on: Mar 13, 2025 by: Mohit Bhardwaj Last updated: Mar 13, 2025 | Tags:
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1Votes1Answer(s)In $\triangle ABC, DE || BC$. If $AE = (2x + 1)$ cm, $EC= 4$ cm, $AD= (x + 1)$ cm and $DB = 3$ cm, then value of $x$ is:Posted on: Mar 13, 2025 by: Mohit Bhardwaj Last updated: Mar 13, 2025 | Tags:
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1Votes1Answer(s)OAB is sector of a circle with centre $O$ and radius $7$ cm. If length of arc $\overset{\frown}{AB}= \frac{22}{3}$ cm, then $\angle AOB$ is equal toPosted on: Mar 13, 2025 by: Mohit Bhardwaj Last updated: Mar 13, 2025 | Tags:
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1Votes1Answer(s)If probability of happening of an event is $57%$, then probability of non-happening of the event isPosted on: Mar 13, 2025 by: Mohit Bhardwaj Last updated: Mar 13, 2025 | Tags:
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1Votes1Answer(s)In the given figure, $PA$ is tangent to a circle with centre $O$. If $\angle APO = 30°$ and $OA = 2.5$ cm, then $OP$ is equal toPosted on: Mar 13, 2025 by: Mohit Bhardwaj Last updated: Mar 13, 2025 | Tags:
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1Votes1Answer(s)The value of $k$ for which the system of equations $3x - 7y = 1$ and $kx + 14y = 6$ is inconsistent, isPosted on: Mar 13, 2025 by: Mohit Bhardwaj Last updated: Mar 13, 2025 | Tags: