Все публикации

0:02:50

Q18 A quadratic polynomial whose zeroes are 2 5 𝑎𝑛𝑑 −1 5 is (A) 25𝑥 2 + 5𝑥 − 2 (B) 5𝑥 2 − 2𝑥 + 1

0:05:29

Q17 The following distribution shows the marks distribution of 80 students. Marks Below 10 Below 20

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Q16 The roots of quadratic equation 3𝑥 2 − 4√3𝑥 + 4 = 0 are (A) not real (B) real and equal (C) ra

0:01:50

Q15 Which of the following cannot be the probability of an event? (A) 0.4 (B) 4% (C) 0.04% (D) 4

0:02:27

Q14 The total surface area of solid hemisphere of radius 𝑟 is (A) 𝜋𝑟 2 (B) 2𝜋𝑟 2 (C) 3𝜋𝑟 2 (

0:02:14

Q13 1−𝑡𝑎𝑛230∘ 1+𝑡𝑎𝑛230∘ is equal to (A) cos 60∘ (B) sin 60∘ (C) 1 (D) 𝑡𝑎𝑛260∘

0:06:34

Q12 If perimeter of given triangle is 38 cm, then length AP is equal to (A)19 cm (B) 5 cm (C)

0:03:52

Q11 In the given figure, if △ 𝑂𝐶𝐴 ∼△ 𝑂𝐵𝐷 then ∠𝑂𝐴𝐶 is equal to

0:04:52

Q10 The 4 𝑡ℎ term from the end of the A.P −8, −5, −2, … ,49 is (A) 37 (B) 40 (C) 1 (D) 43

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Q9 If H.C.F(420,189) = 21 then L.C.M(420,189) is (A) 420 (B) 1890 (C) 3780 (D) 3680

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Q8 In the given figure, 𝛥𝐵𝐴𝐶 is similar to (A) 𝛥𝐴𝐸𝐷 (B) 𝛥𝐸𝐴𝐷 (C) 𝛥𝐴𝐶𝐵 (D) 𝛥𝐵𝐶𝐴

0:02:11

Q7 If 3 cot 𝐴 =4, where 0° 𝐴 90°, then sec 𝐴 is equal to

0:04:55

Q6 If △ 𝐴𝐵𝐶 ∼△ 𝑃𝑄𝑅 such that 3AB = 2PQ and BC=10 cm, then length QR is equal to (A) 10 cm (B

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Q5 In the given figure, PQ and PR are tangents to a circle centred at O. If ∠QPR=35∘ then ∠QOR is

0:01:52

Q4 The distance between the points (𝑎, 𝑏) and (−𝑎, −𝑏) is (A)√𝑎 2 + 𝑏 2 (B) 𝑎 2 + 𝑏 2 (C) 2 √𝑎

0:03:17

Q3 The value of k for which the quadratic equation 𝑘𝑥 2 − 5𝑥 + 1 = 0 does not have a real solution

0:02:05

Q2 The system of linear equations represented by the lines l and m is (A) consistent with unique s

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Q1 HCF OF (3 3 × 5 2 × 2), (3 2 × 5 3 × 2 2 ) 𝑎𝑛𝑑 (3 4 × 5 × 2 3 ) is (A) 450 (B) 90 (C

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Q38 Metallic silos are used by farmers for storing grains. Farmer Girdhar has decided t

0:18:59

Q37 Triangle is a very popular shape used in interior designing. The picture given above shows a

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Q36 Ms. Sheela visited a store near her house and found that the glass jars are arranged one ab

0:09:38

Q35 (B) The monthly expenditure on milk in 200 families of a Housing Society is given below Monthl

0:11:18

Q35(A) Find the mean and median of the following data: Class 85-90 90-95 95-100 100-105 105-110 110

0:09:50

Q34. A boy whose eye level is 1.35 m from the ground, spots a balloon moving with the wind in a hor