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MCQOPTIONS
This section includes 2251 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1751. |
27 percent of a number is 783. What will be 55 percent of that number? |
| A. | 1,605 |
| B. | 1,566 |
| C. | 1,595 |
| D. | 1,584 |
| Answer» D. 1,584 | |
| 1752. |
Let f(x) = x2 and g(x) = 2X , for all real x. Then the value of f( f(g(x)) + g(f(x)) ) at x = 1 is |
| A. | 16 |
| B. | 18 |
| C. | 36 |
| D. | 40 |
| Answer» D. 40 | |
| 1753. |
A man has a certain number of small boxes to pack into parcels. If he packs 3, 4, 5 or 6 in a parcel he is left with one box; if he packs 7 in a parcel, none is left over. What is the number of boxes, he may have to pack ? |
| A. | 309 |
| B. | 400 |
| C. | 301 |
| D. | 106 |
| Answer» D. 106 | |
| 1754. |
If 2794p561 is divisible by 9, then the value of p is: |
| A. | 3 |
| B. | 2 |
| C. | 0 |
| D. | 4 |
| Answer» C. 0 | |
| 1755. |
If the points P and Q represent the real numbers 0.83 ̅ and 0.62 ̅ on the number line, then the distance between P and Q is |
| A. | 21/90 |
| B. | 19/90 |
| C. | 21/100 |
| D. | 56/90 |
| Answer» C. 21/100 | |
| 1756. |
If a number 6573547x45 is divisible by 9, then find the value of x. |
| A. | 7 |
| B. | 0 |
| C. | 8 |
| D. | 6 |
| Answer» D. 6 | |
| 1757. |
Consider the following numbers:1. Every irrational number is a real number.2. Every real number is rational number.3. Every rational number is a real number.4. Every integer is a real number.Which of the above statements are correct? |
| A. | 1, 2 and 3 |
| B. | 1, 3 and 4 |
| C. | 2 and 3 only |
| D. | 3 and 4 only |
| Answer» C. 2 and 3 only | |
| 1758. |
Find the least number to be added to 1739 so that it is exactly divisible by 11. |
| A. | 11 |
| B. | 2 |
| C. | 1 |
| D. | 10 |
| Answer» E. | |
| 1759. |
A factory produced 18,58,509 cassettes in the month of January, 7623 more cassettes in the of February and owing to short supply of electricity produced 25,838 less cassettes in March than in February. Find the total production in all?A. 55,57,312B. 59,83,245C. 55,64,935D. 56,08,988 |
| A. | A |
| B. | D |
| C. | B |
| D. | C |
| Answer» E. | |
| 1760. |
If 4M37094267N is divisible by both 8 and 11, where M and N are single digit integers, then the values of M and N are: |
| A. | M = 5, N = 6 |
| B. | M = 5, N = 4 |
| C. | M = 5, N = 2 |
| D. | M = 2, N = 5 |
| Answer» D. M = 2, N = 5 | |
| 1761. |
A 3 digit number 4 X 3 is added to 984 to get a 4 digit number 13 Y 7. If 13 Y 7 is divisible by 11, then what is the value of (X + Y)? |
| A. | 15 |
| B. | 12 |
| C. | 11 |
| D. | 10 |
| Answer» E. | |
| 1762. |
A natural number, when divided by 5, 6, 7 or 8, leaves a reminder of 4 in each case. What is the smallest of all such numbers? |
| A. | 1264 |
| B. | 844 |
| C. | 424 |
| D. | 214 |
| Answer» C. 424 | |
| 1763. |
Convert 69 decimal to binary |
| A. | 1000101 |
| B. | 1000011 |
| C. | 1001001 |
| D. | 1000110 |
| Answer» B. 1000011 | |
| 1764. |
How many times the digit 1 appears in the first 100 whole numbers? |
| A. | 18 |
| B. | 19 |
| C. | 20 |
| D. | 21 |
| Answer» D. 21 | |
| 1765. |
If loga30 = A, loga(5/3) = - B and log2a = 1/3, then log3a equals |
| A. | \(\frac{2}{A+B}\) |
| B. | \(\frac{2}{A+B-3}\) |
| C. | \(\frac{A+B}{2}\) |
| D. | \(\frac{A+B-3}{2}\) |
| Answer» C. \(\frac{A+B}{2}\) | |
| 1766. |
N = 248 - 1 and N are exactly divisible by two numbers between 60 and 70. What is the sum of those two numbers? |
| A. | 128 |
| B. | 256 |
| C. | 64 |
| D. | 512 |
| Answer» B. 256 | |
| 1767. |
A number when divided by 12 leaves same remainder when the same number is divided by 3. What is the remainder? |
| A. | 1, 2 or 3 |
| B. | 0, 1 or 2 |
| C. | 2, 4 or 6 |
| D. | 4, 8 or 11 |
| Answer» C. 2, 4 or 6 | |
| 1768. |
Find the square root of 4489. |
| A. | 67 |
| B. | 57 |
| C. | 77 |
| D. | None of the above |
| Answer» B. 57 | |
| 1769. |
In finding the HCF of two numbers by division method, the quotients are 1, 8 and 2 respectively, and the last divisor is 105. What is the sum of the numbers? |
| A. | 3885 |
| B. | 3675 |
| C. | 3570 |
| D. | 3780 |
| Answer» E. | |
| 1770. |
If the number 62783 xy is divisible by both 8 and 5, then the smallest possible value of x and y is: |
| A. | x = 2, y = 2 |
| B. | x = 6, y = 0 |
| C. | x = 2, y = 0 |
| D. | x = 2, y = 5 |
| Answer» D. x = 2, y = 5 | |
| 1771. |
If 15 apples cost as much as 6 strawberries, 2 strawberries cost as much as 16 bananas, 6 bananas cost as much as 15 potatoes, then what is the cost of 1 potato if an apple costs ₹ 20? |
| A. | ₹ 25 |
| B. | ₹ 22.50 |
| C. | ₹ 2.50 |
| D. | ₹ 2.25 |
| Answer» D. ₹ 2.25 | |
| 1772. |
Find the LCM of 34, 85 and 102. |
| A. | 510 |
| B. | 680 |
| C. | 1020 |
| D. | 340 |
| Answer» B. 680 | |
| 1773. |
Find the value of 3.2656565... x 11.2565656.... |
| A. | 36.76 |
| B. | 35.65 |
| C. | 38.93 |
| D. | 36.21 |
| Answer» B. 35.65 | |
| 1774. |
If a 10-digit number 1330x558y2 is divisible by 88, then the value of (x + y) is: |
| A. | 8 |
| B. | 6 |
| C. | 7 |
| D. | 9 |
| Answer» E. | |
| 1775. |
If (1 + 1/2)(1 + 1/4)(1 + 1/6)(1 + 1/8)(1 - 1/3)(1 - 1/5)(1 - 1/7) = 1 + 1/x , then what is value of x? |
| A. | 6 |
| B. | 8 |
| C. | 5 |
| D. | 7 |
| Answer» C. 5 | |
| 1776. |
If (333 + 333 + 333) (233 + 233) = 6x, then what is the value of x? |
| A. | 34 |
| B. | 35 |
| C. | 33 |
| D. | 33.5 |
| Answer» B. 35 | |
| 1777. |
If in the formula \(C = \dfrac{en}{R +nr}\), n is increased while e, R and r are kept constant, then C |
| A. | increases and then decreases |
| B. | decreases |
| C. | increases |
| D. | None of the above |
| Answer» D. None of the above | |
| 1778. |
A train starts from Patna on 30th May, 2020 at 23 ∶ 40 hours and reaches Mumbai on 1st June, 2020 at 5 ∶ 15 hours. What is the total travel time of train? |
| A. | 29 hours 35 minutes |
| B. | 29 hours 15 minutes |
| C. | 28 hours 25 minutes |
| D. | 28 hours 20 minutes |
| Answer» B. 29 hours 15 minutes | |
| 1779. |
If the seven digit number 74x29y6 is divisible by 72, then for minimum value of y, what will be the value of (2x + 3y)? |
| A. | 21 |
| B. | 20 |
| C. | 19 |
| D. | 16 |
| Answer» D. 16 | |
| 1780. |
19th term of the series 22, 26, 30, 34,…. |
| A. | 96 |
| B. | 94 |
| C. | 90 |
| D. | 92 |
| Answer» C. 90 | |
| 1781. |
A five-digit number XY235 is divisible by 3 where X and Y are digits satisfying X + Y ≤ 5. What is the number of possible pairs of values of (X, Y)? |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 9 |
| Answer» D. 9 | |
| 1782. |
Find the product of two numbers whose LCM is 65 and HCF is 8. |
| A. | 480 |
| B. | 420 |
| C. | 360 |
| D. | 520 |
| Answer» E. | |
| 1783. |
\(\frac{1}{log_2 100} - \frac{1}{log_4 100} + \frac{1}{log_5 100} - \frac{1}{log_{10} 100} + \frac{1}{log_{20} 100} - \frac{1}{log_{25}100} + \frac{1}{log_{50} 100}- ?\) |
| A. | 0 |
| B. | 10 |
| C. | -4 |
| D. | 1/2 |
| Answer» E. | |
| 1784. |
If the difference between two prime numbers is 2, then those two prime numbers are known as ______.I. Co-primesII. Twin primes |
| A. | Only II |
| B. | Both I and II |
| C. | Only I |
| D. | Neither I nor II |
| Answer» B. Both I and II | |
| 1785. |
If the given number 925x85 is divisible by 11, then the smallest value of x is: |
| A. | 2 |
| B. | 4 |
| C. | 1 |
| D. | 3 |
| Answer» C. 1 | |
| 1786. |
If 5 is added to twice of a number it becomes 6, then the number is? |
| A. | 0.25 |
| B. | 50 |
| C. | 0.5 |
| D. | 5 |
| Answer» D. 5 | |
| 1787. |
If the sum of the digits of a number 10n – 1, where n is a natural number, is equal to 3798, then what is the value of n? |
| A. | 421 |
| B. | 422 |
| C. | 423 |
| D. | 424 |
| Answer» C. 423 | |
| 1788. |
If 2941 + 3741 is divided by 33, then the remainder is: |
| A. | 3 |
| B. | 0 |
| C. | 2 |
| D. | 1 |
| Answer» C. 2 | |
| 1789. |
Five bells ring together at the intervals of 3, 5, 8, 9 and 10 seconds. All the bells ring simultaneously at the same time. They will again ring simultaneously after: |
| A. | 6 minutes |
| B. | 4 minutes |
| C. | 9 minutes |
| D. | 8 minutes |
| Answer» B. 4 minutes | |
| 1790. |
Insert two rational numbers between 3/5 and 2/3. |
| A. | 8/13 , 7/11 |
| B. | \(\frac{15}{20}, \frac{11}{12}\) |
| C. | \(\frac{19}{10}, \frac{10}{15}\) |
| D. | \(\frac{41}{20}, \frac{16}{25}\) |
| Answer» B. \(\frac{15}{20}, \frac{11}{12}\) | |
| 1791. |
Four bells ring at intervals of 24, 36, 45 and 54 seconds respectively. If they all rang together at 9 am, when will they next ring together? |
| A. | 9 : 12 am |
| B. | 9 : 06 am |
| C. | 9 : 18 am |
| D. | 9 : 24 am |
| Answer» D. 9 : 24 am | |
| 1792. |
If one-third of one-fourth of a number is 15, then three-tenth of that number is |
| A. | 34 |
| B. | 46 |
| C. | 49 |
| D. | 54 |
| Answer» E. | |
| 1793. |
Find the number of trailing zeros in 142! |
| A. | 36 |
| B. | 30 |
| C. | 34 |
| D. | 32 |
| Answer» D. 32 | |
| 1794. |
If 465781P is completely divisible by 12, then what is the value of P? |
| A. | 2 |
| B. | 6 |
| C. | 2 or 6 |
| D. | 8 |
| Answer» B. 6 | |
| 1795. |
If a and b are negative real numbers and c is a positive real number, then which of the following is/are correct?1. a - b < a - c2. If a < b, then a/c < b/c.3. 1/b < 1/cSelect the correct answer using the code given below. |
| A. | 1 only |
| B. | 2 only |
| C. | 3 only |
| D. | 2 and 3 only |
| Answer» E. | |
| 1796. |
If x and y are non-zero real numbers, then x2 + xy + y2 |
| A. | is always negative |
| B. | takes the value zero for some x and y |
| C. | is always positive |
| D. | takes both positive and negative values |
| Answer» D. takes both positive and negative values | |
| 1797. |
Given below are two statementsStatement I: A number is divisible by 25, if the number formed by its last two digits is either (00) or divisible by (25)Statement II: A number is divisible by 16, if the number formed by its last 4 digits is divisible by 16In light of the above statements, choose the most appropriate answer from the options given below |
| A. | Both Statement I and Statement II are true |
| B. | Both Statement I and Statement II are false |
| C. | Statement I is true but Statement II is false |
| D. | Statement I is false but Statement II is true |
| Answer» E. | |
| 1798. |
2 minutes 30 seconds of internet download bill is 18 rupees, then how much will be the bill of 3 minutes 20 seconds? (Up to one decimal place)A. 24B. 24.1C. 24.2D. 23.9 |
| A. | B |
| B. | D |
| C. | A |
| D. | C |
| Answer» D. C | |
| 1799. |
Find the largest four digit number exactly divisible by 12, 15, 18, 54. |
| A. | 9720 |
| B. | 9200 |
| C. | 9900 |
| D. | 8500 |
| Answer» B. 9200 | |
| 1800. |
If p & q = p2 + 4pq – q2 then find the value of (3 & 6) + (4 & 5). |
| A. | 98 |
| B. | 106 |
| C. | 116 |
| D. | 126 |
| Answer» D. 126 | |