QUANT AND DATA INTERPRETATION⏳📈🧮🔢📊🔣
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🔴 RRB PO Pre 1st Shift Actual Questions Asked In Exam :-
🔴 Quadratic Equations:-
1) X² - 7x + 10 = 0
Y² + 8y + 15 = 0
2) X² + x - 12 = 0
Y² + 2y - 15 = 0
3) X² + 9x + 20 = 0
8Y² - 15y + 7 = 0
4) X² - 5x - 14 = 0
Y² - 16y + 64 = 0
5) X² - 9x +20 = 0
Y² - 7y + 12 = 0
🔴 Number Series
1) 1005, 1000, 985, 960, 925, ......
2) 8, 10, 23, 73. ......
3) 500, ...... , 250 ,750 ,187.5
4) 44, 46, 50, 58, 73, ......
5) 88, 99, 92, 97, 94 , .....
6) 4 , 8, 35 , 51 , 176 , .......
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16:17× 9= 144:153
) 7===42
9:10 ×16= 144:160 1===6
297= 297×6
Now,
16:17×6 = 96:102
)23===a
7:6 ×17= 119:102
198=====297×6
1=======1782/198= 9
23======9×23= 207.....Ans
🔥 ARITHMETIC 💥
1⃣ In a group of 4 boys and 3 girls, 3 members are to be selected. In how many different ways can they be selected such that at least one boy should be there?
a) 56
b) 60
c) 34
d) 42
e) None of these
2⃣ The first variety of rice priced at Rs. 52/kg is mixed with another variety of rice, which is in the ratio of 3 : 4. The mixed variety of rice is priced at Rs. 60/kg. Find the price of second variety of rice?
a) Rs. 58/Kg
b) Rs. 64/Kg
c) Rs. 62/Kg
d) Rs. 66/Kg
e) None of these
3⃣ Pipe A and pipe B fill the tank in 30 hours and 20 hours respectively. If pipe A and B together opened simultaneously and after 10 hours Pipe B closed, in how many hour will pipe A take to fill the remaining tank?
a) 3 hours
b) 5 hours
c) 7 hours
d) 8 hours
e) None of these
4⃣ The average salary of all the employees in a small company is Rs.10000. The average salary of 10 engineers is Rs.14000 and the average salary of the rest is Rs.5000. What is the total number of employees in the company?
a) 16
b) 17
c) 18
d) 19
e) None of these
5⃣ A toy seller sold a toy offering a discount of 3% and earned a profit of 16.40%. What would have been the percentage of profit earned by the toy seller if no discount was offered?
a) 10%
b) 20%
c) 15%
d) 25%
e) None of these
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5000-1040 = 3960
3960×25×4/1200 = 330
Total Amount = 3960+330 = 4290
Let the per installment = 100
Ins. intrest Total A.
100. 100×25×3/1200
= 25/4 425/4
100 100×25×2/1200
25/6 625/6
100 100 × 25×1/1200
25/12 1225/12
100 0 100
Total A = 425/4 + 625/6 + 1225/12 + 100 = 412.5
412.5====== 4290
1========== 10.4
100========1040.....Ans
📐 त्रिकोणमिति : महत्वपूर्ण सूत्र 📐
💞 योग सूत्र
➭ Sin(A+B) = SinACosB+CosASinB
➭ Sin(A-B) = SinACosB-CosASinB
➭ Cos(A+B) = CosACosB-SinASinB
➭ Cos(A-B) = CosACosB+SinASinB
🔴 अन्तर सूत्र
➭ tan(A+B) = tanA+tanB/1-tanAtanB
➭ tan(A-B) = tanA-tanB/1+tanAtanB
🔶 C-D सूत्र
➭ SinC+SinD = 2Sin(C+D/2) Cos(C-D/2)
➭ SinC-SinD = 2Cos(C+D/2) Sin(C-D/2)
➭ CosC+CosD = 2Cos(C+D/2) Cos(C-D/2)
➭ CosC-CosD = 2Sin(C+D/2) Sin(D-C/2)
➭ CosC-CosD = -2Sin(C+D/2) Sin(C-D/2)
🔴 रूपांतरण सूत्र
➛ 2SinACosB = Sin(A+B)+Sin(A-B)
➛ 2CosASinB = Sin(A+B)-Sin(A-B)
➛ 2CosACosB = Cos(A+B)+Cos(A-B)
➛ 2SinASinB = Cos(A-B)-Cos(A+B)
💝 द्विक कोण सूत्र
➛ Sin2A = 2SinACosA
➛ Cos2A = Cos²A-Sin²A = 2Cos²-1 = 1-2Sin²A
➛ tan2A = 2tanA/1-tan²A
➛ Sin2A = 2tanA/1+tan²A
➛ Cos2A = 1-tan²A/1+tan²A
🔴विशिष्ट सूत्र
➛ Sin(A+B)Sin(A-B) = Sin²A-Sin²B
= Cos²B-Cos²A
➛ Cos(A+B)Cos(A-B) = Cos²A-Sin²B = Cos²B-Sin²A
🏆 त्रिक कोण सूत्र
➛ Sin3A = 3SinA-4Sin³A
➛ Cos3A = 4Cos³A-3CosA
➛ tan3A = 3tanA-tan³A/1-3tan²A
🔴 महत्वपूर्ण सर्वसमिकाएं
➛ Sin²θ+Cos²θ = 1
➭ Sin²θ = 1-Cos²θ
➭ Cos²θ = 1-Sin²θ
➛ 1+tan²θ = Sec²θ
➭ Sec²θ-tan²θ = 1
➭ tan²θ = Sec²θ-1
➛ 1+Cot²θ = Cosec²θ
➭ Cosec²θ-Cot²θ = 1
➭ Cot²θ = Cosec²θ-1
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IBPS clerk result today
https://ibpsonline.ibps.in/crpcl11jun21/resopesda_dec21/downloadstart.php
The curved surface area of a cylinder is equal to the curved surface area of a cone. If radius of both is equal and radius of cone is twice of its height, then find the ratio of height of cylinder to that of cone.
1. 2: √5
2. 1: 2
3. √5: 2
4. √3: 1
5. √5: 3
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When a sum is invested at 8% p.a at SI for 2 ½ years, the interest received is Rs. 490. When double of that sum is invested at 2% p.a. higher than earlier rate for 2 year at CI then amount received is ?
1. Rs. 5500
2. Rs. 5808
3. Rs. 5929
4. Rs. 6050
5. Rs. 6171
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Two vessels contain milk and water in the ratio 7:3 and 2:3 respectively. In what ratio should the contents of the vessels be mixed such that the final ratio of milk and water in the resultant solution becomes 23:17.
1. 5 : 3
2. 7 : 5
3. 4 : 3
4. 11 : 9
5. 7 : 6
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The smallest number of five consecutive odd number series is 3 more than second largest number of five consecutive even number series. Then find average of five consecutive even number series is how much less than that of average of odd number series?
1. 6
2. 7
3. 8
4. 9
5. 10
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