Data Interpertation & airthmatic

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#CASELET JOIN US - @quant_material There are total 800 students in a class; respective ratio of boys and girls among them is 9:7. Each student likes one among the four fruits viz. Mango, Litchi, Guava and Banana. 20% of the total number of boys likes Banana. 30% of total number of girls likes Mango. Respective ratio of number of boys who like Banana and number of boys who like Litchi is 3:4. 40% of the total number of students likes Mango. Respective ratio of number of boys and number of girls who like Guava is 1:3. 20% of the total number of girls likes Litchi. एक कक्षा में कुल 800 विद्यार्थी हैं; उनमें लड़के और लड़कियों का क्रमशः अनुपात 9:7 है। प्रत्येक छात्र चार फलों में से एक को पसंद करता है अर्थात। आम, लीची, अमरूद और केला। लड़कों की कुल संख्या का 20% केला पसंद करता है। लड़कियों की कुल संख्या का 30% आम पसंद करता है। केला पसंद करने वाले लड़कों की संख्या और लीची पसंद करने वाले लड़कों की संख्या का अनुपात 3:4 है। छात्रों की कुल संख्या का 40% आम पसंद करता है। अमरूद पसंद करने वाले लड़कों और लड़कियों की संख्या का क्रमशः अनुपात 1:3 है। लड़कियों की कुल संख्या का 20% लीची पसंद करता है। 1) Find the respective ratio of number of boys who like Litchi and number of girls who like Guava. लीची पसंद करने वाले लड़कों की संख्या और अमरूद पसंद करने वाली लड़कियों की संख्या का संबंधित अनुपात ज्ञात कीजिए। a) 7:4 b) 8:5 c) 6:5 d) 4:3 e) None of these 2) Find the difference between total number of students who like Mango and total number of students who like Litchi. आम पसंद करने वाले विद्यार्थियों की कुल संख्या और लीची पसंद करने वाले विद्यार्थियों की कुल संख्या के बीच का अंतर ज्ञात कीजिए। a) 130 b) 210 c) 150 d) 220 e) None of these 3) Number of girls who like Mango is what percent more than the number of girls who like Banana? आम पसंद करने वाली लड़कियों की संख्या केला पसंद करने वाली लड़कियों की संख्या से कितने प्रतिशत अधिक है? a) 8% b) 7% c) 5% d) 9% e) None of these 4) Find the average of the number of boys who like Mango and number of boys who like Guava. आम पसंद करने वाले लड़कों की संख्या और अमरूद पसंद करने वाले लड़कों की संख्या का औसत ज्ञात कीजिए। a) 100 b) 120 c) 90 d) 110 e) None of these 5) Find the sum of total number of students who like Guava and total number of students who like Banana. अमरूद पसंद करने वाले विद्यार्थियों की कुल संख्या और केला पसंद करने वाले विद्यार्थियों की कुल संख्या का योग ज्ञात कीजिए। a) 260 b) 250 c) 290 d) 240 e) None of these JOIN US - @quant_material

#Quadratic #equation #quiz Join us - @quant_material 1. I.𝑥² − 14𝑥 + 40 = 0 II.𝑦² − 22𝑦 + 120 = 0 2. I.𝑥 + 𝑦 = 22 II.4𝑥 − 5𝑦 = 7 3. I.2𝑥² − 20𝑥 + 48 = 0 II.3𝑦² − 3𝑦 − 36 = 0 4. I.𝑥³ + 1296 = 4671 II.𝑦² − 33𝑦 + 270 = 0 5. I.𝑥² − 1.1𝑥 − 3.5 = 0 II.2𝑦² + 15𝑦 + 27 = 0 6. I.𝑥² + √2𝑥 − 40 = 0 II.𝑦² + 13𝑦 + 42 = 0 7. I.𝑥² = 1156 II.𝑦 = √1225 8. I.3𝑥 + 4𝑦 = 55 II.6𝑦 − 4𝑥 = 6 9. I.𝑥² = √256 II.4𝑦² = 676 10.I.5𝑥²− 13𝑥 − 28 = 0 II.3𝑦² − 20𝑦 + 32 = 0 Join us - @quant_material

1. Find the average number of total persons who visits in all four cities together in 2019. 2019 (A) 3150 (B) 3200 (C) 3180 (D) 3325 (E) None of these 2. The number of persons who visits Mumbai in 2019 is how much % more or less than total number of persons who visits Agra in both years? (A) 24.49% (B) 25% (C) 28.60% (D) 34.30% (E) None of these 3. Find the ratio of average number of persons who visits all four cities in both years to average number of persons who visits all four cities in 2020 (A) 156 : 227 (B) 227 : 156 (C) 258 : 125 (D) 125 : 258 (E) None of these 4. If total number of persons who visits Goa in 2019 is 37.5% more than number of persons who visits Agra in that year while number of persons visits Goa in 2020 is increases 66.67% from 2019 then find the number of persons who visits Goa in 2020. (A) 4860 (B) 5300 (C) 5500 (D) 5120 (E) None of these 5. If the ratio of number of male to female who visits Agra in 2019 is 7 : 5 and number of males who visits Agra increases 15% in 2020 from 2019. Find the percentage by which number of females who visits Agra in 2020 is decreases when total number of persons visits Agra in 2020 is 2500. (A) 17% (B) 15% (C) 13% (D) 11% (E) None of these

Study the passage given below and answer the following questions. Different number of persons who visits in four different cities in two different years i.e. 2019 and 2020. Ratio of the number of persons who visits Agra in 2019 to number of persons who visits Mumbai in 2020 is 6 : 7, respectively. The number of person who visits Pune in 2019 is 28.56% more than number of persons who visits Mumbai in 2020. The number of person who visits Delhi in 2020 is 83.33% more than number of person who visits Agra in 2019. The total number of persons who visits Mumbai in both years is 6500. The number of persons who visits Agra, Mumbai and Pune in 2019 is equal to the number of persons who visits Agra, Delhi and Mumbai in 2020. The number of persons who visits Agra in 2020 is 1/5th of total number of person who visits in 2020. Number of persons who visits Delhi in 2019 is 3600 which is 800 more than number of persons who visits Pune in 2020.

Mohit can do a piece of work in 10 more days than Sudhir takes to complete the work. Sudhir leaves the work before 8 days before the completion of the work and Mohit did (4/7)th of the total work. Find the number of days taken by Mohit. (a) 16 (b) 26 (c) 20 (d) 24 (e) None of these

Sudhir buys an article marked at Rs 8400. The rate of tax is 15%. He asks the shopkeeper to reduce the price of the article to such an extent that he does not have to pay anything more than Rs 9200 including tax. Calculate the reduction as percent, needed in the marked price of article. (a) (100/31)% (b) (200/87)% (c) (100/21)% (d) (115/21)% (e) None of these

The difference between squares of two consecutive odd numbers is 104. If an another number z is 10 more than the second number. Find the square of that number. (a) 1444 (b) 1024 (c) 1369 (d) 2500 (e) None of these

Rs z is invested for two years at 12.5% p.a. CI. The interest received from this is Rs 289. When Rs (z + 12) is invested at 10% p.a. at SI for 3 years. What will be the amount received? (a) Rs 1430 (b) Rs 1326 (c) Rs 2570 (d) Rs 3016 (e) None of these

The ratio of the investments of A and B is 7 : 2 and the ratio of the investments of B and C is 3 : 5. If the ratio of the profits of A, B and C is 21 : 6 : 5. Find the ratio of time for which A, B and C invested their money. (a) 1 : 3 : 7 (b) 2 : 2 : 1 (c) 2 : 3 : 7 (d) 7 : 9 : 11 (e) None of these

The ratio of the speed of boat in still water and speed of stream is 5 : 2 and time taken by boat to go upstream and downstream (same distance = 84 km) is 16 hours. Find the speed of downstream. (a) 17/5 km/hr (b) 16/5 km/hr (c) 24/5 km/hr (d) 35/2 km/hr (e) None of these

The marked price of a product is 80% above the cost price and discount is 22.22%. If the profit earned by the seller is Rs 5600. Find the sum of cost price and marked price. (a) Rs 39200 (b) Rs 40000 (c) Rs 20000 (d) Rs 52000 (e) None of these

The ratio of the length of a rectangle, breadth of the rectangle and radius of a circle is 11 : 9 : 14. If the area of rectangle is 218691 m2. Find the circumference of the circle (in m) (a) 3136 (b) 4136 (c) 5000 (d) 5100 (e) None of these

vessel contains a mixture of petrol and diesel in the ratio of 9 : 5. When 28 litres of mixture is taken out of the vessel and replaced with 9 litres of diesel, the ratio of petrol and diesel in the vessel becomes 9 : 8. What was the initial quantity of mixture in the vessel. (a) 80 (b) 70 (c) 42 (d) 85 (e) None of these

1) A can do a piece of work in 15 days. B can do 40% of the same work in 18 days. A, B and C together can do the whole work in 8*2/11 days. What is the ratio of the efficiencies of A, B and C? (a) 1 : 4 : 7 (b) 2 : 7 : 5 (c) 6 : 2 : 3 (d) 7 : 2 : 8 (e) None of these

#wrong #series 1. 317, 296, 268, 233, 191, 143 (a) 143 (b) 191 (c) 233 (d) 168 (e) None 2. 124, 164, 213, 271, 337, 414 (a) 414 (b) 124 (c) 337 (d) 213 (e) None 3. 8.9, 15.4, 22.9, 31.4, 40.9, 52.4 (a) 40.9 (b) 52.4 (c) 31.4 (d) 22.9 (e) None 4. 9, 12, 25, 80, 327, 1646 (a) 9 (b) 25 (c) 80 (d) 12 (e) None 5. 193, 158, 181, 173 , 169, 189 (a) 181 (b) 158 (c) 169 (d) 189 (e) None 6. 487, 492, 520, 537, 663, 700 (a) 700 (b) 663 (c) 520 (d) 492 (e) None 7. 659, 651, 624, 560, 435, 218 (a) 218 (b) 435 (c) 560 (d) 659 (e) None 8. 143, 168, 239, 359, 527, 743 (a) 143 (b) 239 (c) 168 (d) 527 (e) None 9. 894, 852, 816, 785, 756, 733 (a) 852 (b) 816 (c) 894 (d) 785 (e) None 10. 19, 42, 90, 188, 386, 782 (a) 386 (b) 782 (c) 90 (d) 19 (e) None

#quadratic (A) x>y (B) x<y (C) x=y or no relation can be established (D) x≥y (E) x≤y 1.3x2 + 10x + 8 = 0 2y2 - 3y - 9 =0 2. x2 + 10x + 24 = 0 y2 - y- 20 =0 3. x2 + 19x + 78 = 0 y2 - 21y+ 68 =0 4. 2x2 - 19x + 45 = 0 4y2 - 20y+ 24 =0 5. x2 - 14x + 48 = 0 y2 + 8y- 48 =0 6. 7x2 -20 x + 12 = 0 7y2 - 15y+ 8 =0 7. x2 + 51x - 682 = 0 y2 = 4761 8. 4x2- 32x + 60 = 0 6y2 - 27y+ 30 =0 9. 5x2- x - 18 = 0 y2- 17y+ 72 =0 10. 2x2 + 7x + 6 = 0 4y2 + 8y+ 3 =0