This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The average of 15 students is 18 years the average of a stident is 12 years then the average age of remaining 6 students is |
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Answer» 27 years Step-by-step EXPLANATION: |
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| 3. |
Find the zeroes of x2_2x_8and verify the selationshi p |
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Answer» given, x²-2x-8=0 x²+2x-4x-8=0 x(x+2)-4(x+2)=0 (x+2)(x-4)=0 x= 4, -2 PLZ MARK ME THE BRAINLIEST!!! |
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| 4. |
Solve he following simultaneousequations 5m + 3n = 9: 2m - 3n = 12 --- |
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Answer» Answer: 7m=21,m=21/7=3 substitute this value in 1st equation we get 5(3)+3n=9 3n=9-15=-6 n=-2 so m=3,n=-2 |
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| 6. |
A block of house in the colony has 15 building. Each building has 7 storey has 4 flats and each flats has 3 room. How many rooms are there in the block.? |
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Answer» Given: A block of house in the colony has 15 BUILDING. Each building has 7 STOREY has 4 flats and each flats has 3 room. To FIND: How many rooms are there in the block.? Solution: From given, we have, A block of house in the colony has 15 building. Each building has 7 storey Each storey has 4 flats Each flat has 3 room. Therefore, the number of rooms in a block is given by, 1 block × 15 building × 7 storey × 4 flats × 3 room = 1260 rooms ∴ 1260 rooms are there in the block. |
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| 7. |
The number of solution of the pair of linear equations X + 2y - 8 = 0 and 2x + 4Y = 16 always same |
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| 9. |
In an a.p if the 7th term is 10and 10th term is 7.find the 20th term |
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Answer» SEE the ATTACHMENT for answer |
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| 10. |
) Which of the following fact is incorrect for Tangram? |
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| 12. |
It is known that in a box of 100 bulbs 7 are defective one bulb is taken out randomly what is the probability that it is a non defective bulb |
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Answer» It is known that in a BOX of 100 bulbs 7 are defective To find: One bulb is taken out randomly what is the probability that it is a NON defective bulb Solution: From given, we have, It is known that in a box of 100 bulbs 7 are defective P (defective) = 7/100 one bulb is taken out randomly what is the probability that it is a non defective bulb P (defective) + P (non-defective) = 1 P (non-defective) = 1 - P (defective) P (non-defective) = 1 - 7/100 P (non-defective) = 93/100 Therefore, the probability that the bulb taken out randomly is a non defective bulb is 93/100 |
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| 13. |
Root 6 by root 3 minus root 2 solution please |
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Answer» ROOT is 1 |
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| 14. |
Convert each of the following fraction into a percent. 5upon12 |
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Answer» Answer: 250% Step-by-step explanation: * First multiply 5/2 with 100 ( 5/2 × 100 ) * Then reduce to its lowest term if it can be reduced ( 5/2 × 100 ) so 100 can be reduced by 2 so after reducing it will be 5/1 × 50 , is in denominator it is 1 so we can simply also write just 5 × 50 * Now multiply 5 × 50 * The answer is 250 and PUT a percentage SIGN ( 250 % ) |
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| 15. |
Associative property is true for rational numbers under: |
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Answer» Yes and this is how ASSOCIATIVE property WORKS. It states that you can add or multiply numbers regardless of how they are grouped. ... Addition and MULTIPLICATION are associative for rational numbers. SUBTRACTION and division are not associative for rational numbers |
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| 16. |
The prime factorisation form of 156 A 2 X 3 X 13 B 2X2 X3X13 C 2X2X3X13 |
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Answer» Step-by-step EXPLANATION: |
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| 17. |
How to make the denominator of 6/18 12 |
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Answer» It's pretty SIMPLE ! Just FOLLOW the GIVEN steps : Step-by-step explanation: 6/18 , when simplified = 2/6 2/6 × 1/2 = 2/12 . Hope THAI helps. Have a nice day ! |
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| 18. |
a & b are two positive numbers such that the least prime factor of α is 3 and least prime factor of b is 5. Then the least prime factor of (a + b) is |
Answer» Given that, a is a positive integer and 3 is the least prime FACTOR of a.Also, b is a positive integer and 5 is the least prime factor of b.Since least prime factor of a is 3, it means that a is an odd number.So, if a is even then 2 is the least prime factor of a.Similarly, b is also an odd number.Now, it is known that sum of two odd numbers is an even number.Hence, a + b will be an even number.So, the least prime factor of a + b is 2Hope it HELPS u.Please MARK my answer as brainliest. |
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| 20. |
4. Find the value of , [+ 2 5 + ] = [6 2 5 8] |
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Answer» ------------------->PLEASE WRITE it CORRECTLY<-------------------- |
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| 21. |
Draw a line of length 10 cm and divided it in the ratio 5:6 |
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Answer» Answer: Answer:LET it be x5x and 6x5x - 6X = 10X = 10 is the answer. Step-by-step explanation: hope this ans will help youplz FOLLOW me |
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| 22. |
An aeroplane, when 3500m high passes vertically above another plane at an instant when the angles of elevation of the two aeroplanes from the same point on the ground are 45 degree and 30 degree respectively. Find the vertical distance between the two aeroplanes |
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Answer» Given : An AEROPLANE, when 3500m high passes vertically above another plane at an instant when the angles of elevation of the TWO aeroplanes from the same point on the ground are 45°and 30°respectively. To FInd : the vertical distance between the two aeroplanes Solution: Let say A Position of above plane B position of lower plane C is the point at ground below plane D is the point of observation AC = 3500 AB = distance between the two aeroplanes Tan 45 = AC/CD => 1 = 3500/CD => CD = 3500 Tan 30 = BC/CD => 1/√3 = BC/3500 => BC = 3500/√3 AB = AC - BC => AB = 3500 - 3500/√3 AB = 3500 (√3 - 1)/√3 = 1479.3 m LEARN more: the ANGLE of elevation of a vertical Tower observed from the age of a ... The angle of elevation of top of a pole from two points A and B on ... |
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| 23. |
·The value of the integral so logfolog (1 - 1)1) dx is |
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| 24. |
The middle point of A(1, 2) and B(x,y) is C(2, 4). If BD is perpendicular to AB such that CD= 3 units, then what isthe length BD?(a) 2√2 units (b) 2 units (c) 3 units (d) 3√2 units |
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Answer» Answer : option B 2 units Solution : Given that mid point of A (1, 2) and B (X, y) is C (2, 4),
and ltbr In right angled unit Step-by-step EXPLANATION: |
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| 26. |
Ex: - Sove, sec(x)-cosec(x)=4/3 |
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Answer» Step-by-step EXPLANATION: hgyhgubyjtufyi8yd5u7u7 |
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| 27. |
Approximate value of 25.607 up to 2 decimalplace is |
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Answer» Answer: 25.61...................... |
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| 29. |
15-(6+6x6+6-6)+(9-3)3 |
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Answer» ANSWER:I THINK the answer is 90 Step-by-step EXPLANATION: |
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| 30. |
Give me right solution plz anyone plz friend and formula also |
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Answer» Answer: |
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| 31. |
Write the name of the main axis in the cartesian plane . |
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| 32. |
If anyone read this question then that person will be a hacker |
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Answer» ............okkkkkkkkkkkk |
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| 34. |
If a/b and c/d are rational numbers then what is a×b/b×d |
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Answer»
ANSWER If a=c, then a+ b
=c+ d
⇒ b
= d
⇒b=d So, let a
=c. Then, there exists a positive rational number x such that a=c+x. Now, ⇒a+ b
=c+ d
⇒c+x+ b
=c+ d
[∵a=c+x] ⇒x+ b
= d
⇒(x+ b
) 2 =( d
) 2
⇒x 2 +2 b
x+b=d ⇒ b
= 2x d−x 2 −b
⇒ b
is rational [∴d,x,b are rationals∴ 2x d−x 2 −b2
is rational] ⇒ b is the square of a rational number. From(i), we have d
=x+ b
⇒ d
is rational ⇒ d is the square of a rational number. Hence, EITHER a=c and b=d or b and d are the SQUARES of rationals.
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| 35. |
The numbers 10,mean10, 20,30Theand go |
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Answer» Step-by-step explanation: here's the ANSWER FRIEND PLS FOLLOW me and mark as brainliest |
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| 36. |
(IV) Probability of an event may be 1(True/False)(V) The graph of X = 2 is parallel to:(X-Axis/ Y-Axis) |
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Answer» IV) True Probability of SURE EVENT is 1. V) Y-axis Cheers! |
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| 37. |
Produof root of X2+5x-5 |
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Answer» Step-by-step explanation: FIRST, bring the equation to STANDARD FORM: y = x 2 + 5 x + 5 = 0
Use the improved quadratic formula (Google SEARCH) D = d 2 = b 2 − 4 a c = 25 − 20 = 5 --> d = ± √ 5
There are 2 real ROOTS: x = − b 2 a ± d 2 a = − 5 2 ± √ 5 2 = − 5 ± √ 5 2 |
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| 38. |
What is the value of iota power of 5? |
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Answer» heyyaaa ! just SEE the ATTACHMENT ! |
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| 39. |
Please send me answer fast because I have to submit in only class |
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Answer» Answer: 1) 18 |
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| 41. |
Write the balanced equation..ALcL3+k ------- kcL+AL |
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Answer» Alcl3 + 3k -----> 3kcl + Al Step-by-step EXPLANATION: Hope ! it's HELPFUL ! |
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| 42. |
The sum of the two ration number is 3/2of one of the ration number is-15/4 find the other |
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Answer» Answer: 21/4 Step-by-step EXPLANATION: sum=3/2 1st NUMBER=-15/4 so, -15/4+x=3/2 x= 3/2+15/4 lcm =4 3/2×2= 6/4 15/4×1= 15/4 6+15÷4=21/4 therefore no. = -21/4 |
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| 43. |
What will be the quotient and remainder if you divide the greatest 7 digit number by 876 |
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Answer» the QUOTIENT will be 0.0000876 |
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| 44. |
✓8 + ✓32 - ✓2 + ✓128 |
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Answer» Answer: 4.235 Step-by-step EXPLANATION: √8=2.826 √32=5.657 √2=1.414 √128=11.304 2.826 +5.657-1.414+11.304 8.483-12.718 4.235 Please MARK brilliant |
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| 45. |
SolveforX and YX- Y= a - b aX- bY = a^2 + b^2 |
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Answer» Answer: x- y= a - B x=a-b+y PUT value in second equation. ax- by = a² + b² a(a-b+y)- by= a² + b² a²-ab+AY-by=a²+b² a(a-b)+y(a-b)=a²+b² (a+y)(a-b)=a²+b² a+y=(a²+b²)/(a-b) y=(a²+b²)/(a-b) -a y=(a²+b²-a²+ab)/(a-b) y=(b²+ab)/(a-b) put in first equation x=a-b+y x=a-b+(b²+ab)/(a-b) x=(a²-ab-ba+b²+b²+ab)/(a-b) x=(a²+b²-ab)/(a-b) |
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| 46. |
Solution of the equation (3x2 + 6xy?)dx +(6x²y + 4y3)dy = 0 |
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Answer» your ANSWER is 9 |
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| 47. |
Find the 23th term Ap, 100,96,92 in formula of an=a+(n-1)d |
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Answer» -1288 Step-by-step EXPLANATION: a=100 and d=-54 n=23 (a+n-1×d) -1288 is the answer. |
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| 48. |
1+sin theta/1-sin theta= (sec theta+tan theta) ² |
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Answer» •••♪ |
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| 49. |
Which one of the following is a rationafno (a) |
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Answer» √3 is an IRRATIONAL number. It is not a RATIONAL number. |
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| 50. |
What is the probability of a sure event?? |
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Answer» Answer: A SURE event is an event, which ALWAYS happens. For example ,it's a sure event to obtain a number between 1 and 6 when rolling an ordinary DIE. The PROBABILITY of a sure event has the value of 1. The probability of an impossible event has the value of 0. |
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