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.
| 2. |
If x=2y+6,find the value ofX^3-8Y^3-36XY-216 |
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Answer» X=2y+6 .then x-2y-6=0 |
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| 3. |
3x^5+3x^3_5 differentiate the function. |
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Answer» ANSWER is 15x^4+9x^2 |
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| 6. |
64 as the sum of 8 odd numbers. |
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Answer» No , 64 has 32 odd no. |
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| 7. |
Abcd is a square of area 1cm² e and f are mid of ab and bc find area of shaded |
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Answer» Area of SHADED portion will be 1/4 of the area of ABCD So area of shaded portion = 1/4 cmsq = 0.25 cmsq |
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| 8. |
A sum of money trebles itself in 15 years 6 months. in how many years would it double itself |
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Answer» Sum trebles in 15 years 6 months Lets convert whole in months only So 15*12 = 180 + 6 = 186 months 3 TIMES in = 186 months 1 time in = 186/3 = 62 Doubles in 62*2 = 124 months 124/12 = 10 1/3 years |
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| 9. |
The system of linear equations 2x+2y-3z=1 4x+4y+z=2 6x+6y-z=3 has |
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Answer» Given : 2x+2Y-3z=1 4x+4y+z=2 6x+6y-z=3 To Find: Solution Solution: 2x+2y-3z=1 Eq1 4x+4y+z=2 Eq2 6x+6y-z=3 Eq3 2 * Eq1 - Eq2 => -7z = 0 => z = 0 3* Eq1 - Eq3 => -8z = 0 => z = 0 After substituting z = 0 2x + 2y = 1 4x + 4y = 2 => 2x + 2y = 1 6x + 6y = 3 => 2x + 2y = 1 Hence z = 0 and infinite solutions for x and y Infinite solutions and z = 0 Learn More: Show that system of EQUATION 3x-5y=11 and 6x-10y=20 is inconsistent for what VALUE of a, the pair if linear equation. ax+3y=a-3,12x+ay=a ... |
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| 10. |
a fruit seller buys some oranges at the rate of 4 for rs.10 and an equal no. more at 5 for rs.10. he sells the whole lot at 9 for rs.20. what is his loss and gain percent? |
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Answer» SELLER OBTAIN GAIN PERCENT is 22% |
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| 11. |
A's salary is 25 more than b's salary.then by what percent is b's salary less than a's salary? |
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Answer» LET B's SALARY=x A's salary=x*(1+.25)=1.25x percent b's salary LESS than a's salary =.25*100/1.25=25/1.25=20% |
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| 12. |
A square + b square + c square equal to a b + bc + ca then a + c y is equal to |
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Answer» A² + b² + c² = AB + bc + ca |
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| 13. |
Joy joined office on 9th July and left after 15 days .on what did he leave |
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Answer» Here is ur answer |
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| 14. |
Find the no. of men in the front row? |
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Answer» 64019-10=64009 |
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| 15. |
Mathematics of degree 1st year |
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Answer» Calculus and matrix in 1 St SEMESTER |
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| 16. |
222333450694-4444445444+5555555555/5555556 |
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Answer» 222333450694-4444445444+5555555555/5555556=217,889,006,249.99 |
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| 17. |
IF X∧2+1/X∧2=7 , FIND THE VALUE OF X∧3+1/X∧3PLS ANSWER ITS AN EMERGENCY THOSE WHO ARE ANSWER IS BEST I WILL MARK AS BRANLIEST |
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Answer» Given Equation is x^2 + 1/x^2 = 7. It can be written as: = > x^2 + 1/x^2 + 2 = 9 It can be written as: = > x^2 + 1/x^2 + 2 * x * 1/x = 9 It is in the form of a^2 + B^2 + 2ab = > (a + b)^2 = > (x + 1/x)^2 = 9 = > x + 1/x = 3. = > (x + 1/x)^3 = (3)^3 We know that (a + b)^3 = a^3 + b^3 + 3ab(a + b). = > x^3 + 1/x^3 + 3 * x * 1/x(x + 1/x) = 27 = > x^3 + 1/x^3 + 3(3) = 27 = > x^3 + 1/x^3 + 9 = 27 = > x^3 + 1/x^3 = 27 - 9 Hope this helps! |
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| 18. |
· MATHEMATICSPlease go through the information sheet attached and calculate the following:i) Total number of launching attempt done by PSLV and GSLV.ii) Success and failure percentage of PSLV.iii) Success and failure percentage of GSLV. |
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| 20. |
3a2(b-3c)+3b2(c-3a)+3c2(a-3b)+26abc |
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Answer» This is the ANSWER for your QUESTION if it is HELPFUL for you MARK me as the BRAINLIEST |
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| 22. |
if p=(102 power x) - (98 power x) and x is a natural number greater than zero. how many values exist at units place of p? |
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Answer» This is QUITE an INTERESTING question So, Let us FIRST analyse the units digits of 2 when the number is multiplied (Why 2 , we are only DEALING with the units digits of 102) Now, When 2 is multiplied consistently, the number at the units place will be 2 4 8 6 2 After this the values will repeat itself Now, For 98, we analyze 8 So, 8 4 2 6 8 After this the vales will repeat Now, We analyze the difference between the digits, So, the FOLLOWING digits can be only obtained in the units place 4 6 8 0 2 So, these are five different values Hence, five values will exist at the units place of p |
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| 23. |
A salesman commission is 5% on all sales upto rs.10000and 4% on all sales exceeding this .he remits rs.31,100 to his parent company after deducting his commission .find the total sales |
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Answer» His commission would be = 5% of 10000 + 4% of (x-10000) = 500 + 4x/100 - 400 = 100 + 4x/100 = 100 + x/25 The amount he pays to COMPANY = x- (x/25 + 100) = x - x/25 - 100 = 24x/25 - 100 = 31100 24x/25 = 31200 x = (31200 * 25) / 24 = 32500 total sales = 32500 |
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| 24. |
Find the smallest number that must be added to 6 8 0 600 so that the sum is is a perfect cube |
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Answer» 872 must be ADDED to GET perfect CUBE |
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| 25. |
What will be total hours from 8.10am to 1.50 pm |
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Answer» 12:00 |
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| 26. |
Find the smallest number that must be added to 6 8 0 600 so that the sum is a perfect cube |
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| 27. |
How many hours from 12pm to 1.50 pm |
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Answer» ____________________________________________________________________________________________________________________________________________________________________________________ HEY MATE, HERE IS YOUR ANSWER FROM 12 PM TO 1 PM = 1HOURS +50 MINUTES SO THE ANSWER IS 1 HOUR 50MINUTES HOPE IT HELPS PLS MARK AS BRAINLIEST |
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| 28. |
Ab and cd are two parallel chords of a circle such that ab=24 cm and icd=10 cm . if the radius of the circle is 13 cm find the distance between the two chords |
| Answer» 17 CM will be the ANSWER | |
| 29. |
A ball is thrown at an angle 45 degree from a point on ground at distance p from foot of a pole |
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| 30. |
Activity to show exterior angles of triangle is equal to |
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Answer» A+b+c=180 |
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| 31. |
from a group of 3 men and 2 women two persons are selected at random find the probabilit that at least one woman is selected |
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Answer» The PROBABILITY of women is 2/5 |
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| 32. |
20 men can complete the work in 48 days .8 days after they started the work 12 more men joined them.in how many days the whole work wiil be comlete. |
| Answer» 5 DAYS will be the ANSWER | |
| 33. |
Prove that 1 degree= 60 minute. |
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Answer» Given: 1 degree (1°) To prove: 1° = 60 minutes Solution:
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| 34. |
Pump A can fill a tank of water in 5 hours. Pump B can fill the same tank in 8 hours. How long does it take the two pumps working together to fill the tank?(round your answer to the nearest minute). |
| Answer» 3 HR 5 MIN will be the ANSWER | |
| 35. |
Calculate hours from 8.10 am to 12pm |
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Answer» 50 mins = 50/60 HOUR = 5/6 hour Therefore, 8.10am to 12.00pm = 3 hours 50 mins or 3 5/6 hours Answer: 3 5/6 hours |
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| 36. |
Help it is really urgent. |
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Answer» = > GIVEN A's income is 20% more than the B's income. Then, income of A is 120. = > Difference between A and B SALARY = 120 - 100 = 20. % of B's income less than A's income = (20/120) * 100 = 200/12 = 100/6 = 16 (2/3)%. Hope this helps! |
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| 37. |
IF X∧2+1/X∧2=7 , FIND THE VALUE OF X∧3+1/X∧3PLS ANSWER ITS AN EMERGENCY |
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Answer» HI ! So, We can WRITE it as, We know that, Assuming a = x and b = 1/x We can write, CUBING both the SIDES we get, Using the identity : Any doubt arises, please ask ^-^ |
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| 38. |
Find the value of p for which (3/5)^p(5/3)^2p=125/27 |
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Answer» = 125/27 So ⇒(5/3)^{-x} × (5/3)^2x =125/27 Further simplifying the expression (5/3)^x =125/27 (5/3)^x =(5/3)^3 So from here CLEARLY x = 3 |
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| 39. |
Write the geometrical meaning of zero of a polynomial for linear polynomial quadratic polynomial |
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Answer» If a polynomial p(x) INTERSECTS the x-axis at ( k, 0), then k is the zero of THEPOLYNOMIAL. The graph of a LINEAR polynomial intersects the x-axis at a maximum of ONE point. Therefore, ALINEAR polynomial has a maximum of one zero. |
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| 40. |
Find the rational numbers between 8/7 and 7/8 |
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Answer» LCM of 7 and 8 = 56 |
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| 41. |
A bag contains 5 blue balls and 7 red balls,if 2 balls are drawn at random.what is the probability that at least 1 ball is red |
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Answer» HEYAA,,, total OUTCOMES; 12 possible outcomes; 2 p(E)=12/2 =6(ans) __________________ |
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| 42. |
Rama travels a distance of 5 km from my place it was not and then turns left and mark 3 kilometre |
| Answer» INCOMPLETE QUESTION.......... | |
| 43. |
How many numbers less than 1 000 are there that are divisible by 7 9 and 16? |
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Answer» FIRST do L.C.M. of 7,9,16 =7×9×16=1008 So there are no NUMBERS less than 1000 which are divisible by 7,9 and 16. |
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| 44. |
A number,being successively divided by 5, 7 and 11 leaves 3,1,2 remainders respectively.find the remainder if the same number is divided by 385. |
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Answer» So , the REMAINDER is 120/385 . . |
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| 45. |
Angles of a quadrilateral are respectively 120 degree 730 degree 80 degree find the fourth |
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Answer» Question needs a correction, |
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| 46. |
Q 1. Divide 34 into two parts in such way that (4/7)th of one part is equal to (2/5)th of another |
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Answer» Let PARTS are ( X ) and ( 34 - x ) |
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| 48. |
Find two rational numbers whose absolute value is 6/7 |
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Answer» |
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| 49. |
Simplify.27×27×27-7×7×7÷27×27+27×7+7×7 |
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Answer» Its, 19578 . . . .. . ... .. |
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