All questions
- n the figure, a circle is inscribed in an equilateral triangle ABC of side 12 cm. . [Use π = 3.14 Given that ABC is an equilateral triangle of side 12 cm. Construction:Join O and A, O and B, and O and C. P, Q, R are the points on BC, CA a... 1
- A calf is tied with a rope of length 6 m at the corner of a square grassy lawn of side 20 m. Detailed Video Explaination https://youtu.be/z2_UydtWDWw 2pi Classes 2
- In the figure, AB is a diameter of the circle, AC = 6 cm and BC = 8 cm. Find the area of the shaded region. According to the given details , AC = 6cm , BC = 8 cm A triangle in a semi-circle with hypotenuse as diameter is right angled triangle. On a... 1
- Area of a sector of a circle of radius 36 cm is 54π cm2. Find the length of the corresponding arc of the sector. Answer https://youtu.be/gmhG8tCr__Y 2
- A chord of a circle of radius 20 cm subtends an angle of 90° at the centre. Area of a quadrant sector of the circle = (90/360) * (pi* 20*20) => 100 pi sq cm Area of corresponding right triangle = 1/2 * 20 * 20 = 200... 1
- In figure OABC is a quadrant of a circle of radius 7 cm. If OD = 4 cm, find the area of the shaded region. Answer in img please rotate 1
- In the figure, arcs and drawn by taking vertices A, B and C of an equilateral triangle of side 10 cm to Correct answer is 39.25 cm² Solution :: 1
- In the figure, find teh perimeter of the shaded region where. ADC, AEB and BFC are semi-circle Perimeter of shaded region is 13.2 cm Text Solution :: Diameter of semicircle AEB= 2.8 cm RADIUS OF SEMICIRCLE(AEB)= 2.8/2= 1.4 cm Diameter... 1
- class 10 maharashtra board previous year question papers Maharashtra SSC Model Question Paper 2021 PDF Links Maharashtra Board Class 10 all subjects sample paper is a fruitful resource, which invol... 1
- By selling 45 lemons for Rs 40, a man loses 20%. How many should he sell for Rs 24 to gain 20% in the transaction ? Let S.P. of 45 lemons be Rs. x. Then, 80 : 40 = 120 : x or x = 40×120over80 = 60 For Rs.60, lemons sold = 45 For Rs.24, lemons sold = 45/60×... 1
- What is the general solution of sin^2 x+ sin^2 2x=sin^2 3x? Answer: x = nπ/2 or x = nπ ± π/6 , where n in mathbbZ Use the identity sin²A - sin²B = sin(A+B)sin(A-B) . Rewrite the equation as sin²3x - s... 1
- CBSE Social Science Class 10 Term 1 Answer Key? https://bit.ly/31VjAaT 1
- 3y2 + 4ab + 7y2 + ab Answer: 10y² + 5ab Only like terms (terms with the same variables and powers) can be added. 3y² and 7y² are like terms: 3y² + 7y² = 10y² . 4... 1
- Van purchased a DVD player on sale. The original selling price was $154.30. The sale price was $127.92. the first step is find the amount of money you saved Step-by-step explanation: 154.30-127.92 = 26.38 26.38 /154.30 = 0.17097 =17.1% 1
- What is the value of 6(2b-4) when b =5 6(2b-4) = 12b- 24 now given , b=5 6(2b-4) =12*5-24 =60-24 =36 2
- With reference to solar power production in India, consider the following statements: (d) Neither 1 nor 2 2
- The first phase of translation is: a) Aminoacylation of tRNA b) Recognition of an anti-codon a) Aminoacylation of tRNA Explaination: In translation the first phase is activation of amino acids in the presence of ATP. The activated am... 1
- Dissolution of the synaptonemal complex occurs during: a) Diplotene b) Leptotene c) Pachytene d) Zygotene a) Diplotene Explaination:: Dissolution of the synaptonemal complex occurs at diplotene phase of prophase I in meiosis 1
- .Strobili or cones are found in: a) Marchantia b) Equisetum c) Salvinia d) Pteris b) Equisetum Explaination:: Strobilus is structure present on many land plant species consisting of sporangia bearing structure densely aggr... 1
- If the head of cockroach is removed, it may live for few days because: a) the head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body. Explaination:: Nervo... 1
- The roots that originate from the base of the stem are c) Fibrous roots Explaination:: Roots that originate from the base of stem constitute the fibrous root system as seen in the monocots exampl... 1
- Name the plant growth regulators which upon spraying on sugarcane crop, increases the length of stem d) Gibberellin Explaination:: Gibberellin hormone regulates the growth, elongation of stem. It is able to promote the internode elongation b... 1
- Identify the wrong statement with reference to transport of oxygen. a) Higher H+ conc. in alveoli favours the formation of oxyhaemoglobin a) Higher H+ conc. in alveoli favours the formation of oxyhaemoglobin Explaination:: The Oxygen dissociation curve is highly useful in study... 1
- The plant parts which consist of two generations one within the other b) (a) and (d) Explaination:: (a) Pollen grain inside the anther (2n). (d) Embryosac inside ovule female gametophyte (2n). 2