ncert class 10th Archives - Page 16 of 20

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Deepak BoraNewbie

Asked: July 31, 2020In: CBSE

If A, B and C are interior angles of a ΔABC, then show that cos[ (B + C) / 2 ] = sin (A/2)

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 23Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

Check whether 12∧n can end with the digit 0 for any natural number n. 12∧n = (2 × 2 × 3)∧n

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 22 ...Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

In the given figure, DE || AC and DF || AE Prove that BF/BE = FE/EC

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 21Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

Evaluate: [2 tan 45° × cos 60°] / sin 30°

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 20Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

Can (x² – 1) be a remainder while dividing x² = 3x² + 5x – 6 by (x² + 3)?

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 19 ...Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

Form a quadratic polynomial, the sum and product of whose zeroes are (-3) and 2 respectively.

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 19 ...Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

The LCM of two numbers is 182 and their HCF is 13. If one of the numbers is 26, find the other

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 18Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

In the given figure, the angle of elevation of the top of a tower from a point C on the ground, which is 30 m away from the foot of the tower, is 30°. Find the height of the tower.

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 16Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

Find the sum of the first 100 natural numbers.

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 16Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

In the formula 𝑥 = 𝑎 + ( ∑ 𝑓𝑖𝑢𝑖 / ∑ 𝑓𝑖 ) × ℎ , 𝑢𝑖 = ‘ _______________’

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Fill in the blanksRead more

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