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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.
| 801. |
In a party, every couple has at least one child (all minors) with them and there are 12 couples. Which one of the following inferences would be possible? |
| A. | There are a minimum of 24 males in the party. |
| B. | There are a minimum of 36 people in the party. |
| C. | There are only 12 males in the party. |
| D. | There are 22 females in the party. |
| Answer» C. There are only 12 males in the party. | |
| 802. |
How many integers are there between 39 and 420 which are exactly divisible by 9? |
| A. | 41 |
| B. | 42 |
| C. | 43 |
| D. | 44 |
| Answer» C. 43 | |
| 803. |
How many multiples of 2 are there from 1 to 100 which are not multiples of 6? |
| A. | 50 |
| B. | 34 |
| C. | 18 |
| D. | 22 |
| Answer» C. 18 | |
| 804. |
A number when divided by 119 leaves remainder 19. What will be the remainder when the same number is divided by 17? |
| A. | 7 |
| B. | 1 |
| C. | 5 |
| D. | 2 |
| Answer» E. | |
| 805. |
Four metal rods of lengths 78 cm, 104 cm, 117 cm and 169 cm are to be cut into parts of equal length. Each part must be as long as possible. The maximum number of pieces that can be cut will be |
| A. | 27 |
| B. | 36 |
| C. | 43 |
| D. | 52 |
| Answer» C. 43 | |
| 806. |
At least multiple of 7, which leaves the remainder 4, when divided by any of 6, 9, 15 and 18 is |
| A. | 76 |
| B. | 94 |
| C. | 184 |
| D. | 364 |
| Answer» E. | |
| 807. |
Let x be the least number between 1400 and 1800, which when divided by 5, 6, 8, 9 and 12, the remainder in each case is 3. When x is divided by 11, the remainder is∶ |
| A. | 2 |
| B. | 1 |
| C. | 5 |
| D. | 3 |
| Answer» B. 1 | |
| 808. |
A number, when divided by 342, gives a remainder 47. When the same number is divided by 19, what would be the remainder? |
| A. | 0 |
| B. | 9 |
| C. | 18 |
| D. | 8 |
| E. | None of the above |
| Answer» C. 18 | |
| 809. |
How can 720 mobiles be distributed equally to the students in the classroom? |
| A. | 16 |
| B. | 30 |
| C. | 20 |
| D. | 24 |
| Answer» C. 20 | |
| 810. |
Let \(x\; = \;\sqrt[6]{{27}} - \sqrt {6\frac{3}{4}} \) and \(\;y\; = \;\frac{{\sqrt {45\;} \; + \;\sqrt {605} \; + \;\sqrt {245} }}{{\sqrt {80\;} \; + \;\sqrt {125} }}\), then the value of x2 + y2 is : |
| A. | 223/36 |
| B. | 227/9 |
| C. | 221/36 |
| D. | 221/9 |
| Answer» B. 227/9 | |
| 811. |
Consider the following number :n = [(6374)1793 x (625)317 x (313)49]Which one of the following is the digit at the unit place of n ? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 5 |
| Answer» B. 1 | |
| 812. |
How many times will the digit 5 come in counting from 1 to 99 excluding those which are divisible by 3? |
| A. | 13 |
| B. | 14 |
| C. | 15 |
| D. | 20 |
| Answer» C. 15 | |
| 813. |
Find the HCF of 4432, 3324.A. 277B. 267C. 1108D. 1107 |
| A. | C |
| B. | B |
| C. | D |
| D. | A |
| Answer» B. B | |
| 814. |
A number of three digits in scale of 7 when expressed in scale of 9 has its digits reversed in order. Find the number expressed in scale of 10 ? |
| A. | 247 |
| B. | 246 |
| C. | 245 |
| D. | 248 |
| Answer» E. | |
| 815. |
How much be the multiplication of 0.529 and 2.01 is more by 1? |
| A. | 0.09326 |
| B. | 0.06329 |
| C. | 0.03269 |
| D. | 0.02369 |
| Answer» C. 0.03269 | |
| 816. |
Find the number of twin prime pairs between 100 and 200 ? |
| A. | 10 |
| B. | 8 |
| C. | 7 |
| D. | 9 |
| Answer» D. 9 | |
| 817. |
H.C.F of 143 and 481 is 143m + 481n, then m, n are equal to: |
| A. | -9, 3 |
| B. | -8, 3 |
| C. | -10, 3 |
| D. | -7, 3 |
| Answer» D. -7, 3 | |
| 818. |
A sum of Rs. 8,200 was divided among A, B and C in such a way that A had Rs. 500 more than B and C had Rs. 300 more than A. How much C's share (in Rs.)? |
| A. | Rs. 2,300 |
| B. | Rs. 3,100 |
| C. | Rs. 2,800 |
| D. | Rs. 2,000 |
| Answer» C. Rs. 2,800 | |
| 819. |
Let x be the greatest number such that when 12085, 16914 and 13841 are divided by it, the remainder in each case is same. The sum of digits of x is: |
| A. | 14 |
| B. | 19 |
| C. | 13 |
| D. | 16 |
| Answer» E. | |
| 820. |
At 6 am, Satyajit started his journey from his house to his Uncle's house. Firstly he made his journey by a bus for 3 hours 25 minutes, then he made his journey in a train for 4 hrs 15 min and lastly he made a journey by a rickshaw which took him 40 min and he reached his Uncle's house. At what time did he reach his Uncle's house if he did not waste any time while changing the vehicles? |
| A. | 3.20 pm |
| B. | 3.15 pm |
| C. | 2.20 pm |
| D. | None of these |
| Answer» D. None of these | |
| 821. |
If 9 June 2011 is a Monday, then what day will it be on 7 December 2011? |
| A. | Monday |
| B. | Tuesday |
| C. | Sunday |
| D. | Wednesday |
| Answer» D. Wednesday | |
| 822. |
Find the LCM of ab²c², a²bc and a³b³c². |
| A. | a³b³c² |
| B. | abc |
| C. | a²b²c² |
| D. | a³b³c³ |
| Answer» B. abc | |
| 823. |
After dividing a number by 119, 16 is obtained as remainder. What will be the remainder when the same number is divided by 17? |
| A. | 13 |
| B. | 16 |
| C. | 14 |
| D. | 15 |
| Answer» C. 14 | |
| 824. |
If \(\frac{5}{4{\sqrt 2 }} + \frac{{3 + 2\sqrt 2 }}{{3 - 2\sqrt 2 }} - \frac{{3 - 2\sqrt 2 }}{{3 + 2\sqrt 2 }} = a + b\sqrt 2 \), then what is the value of (3a + 4b)? |
| A. | \(99\frac{1}{2}\) |
| B. | 94 |
| C. | \(98\frac{1}{2}\) |
| D. | 98 |
| Answer» D. 98 | |
| 825. |
How many multiples are there of 9 from 7 to 109? |
| A. | 12 |
| B. | 14 |
| C. | 10 |
| D. | 11 |
| Answer» B. 14 | |
| 826. |
If \(\frac{16}{28} = \frac{x}{21} = \frac{28}{y}\)then the values of x and y are respectively: |
| A. | 4 and 7 |
| B. | 49 and 12 |
| C. | 12 and 49 |
| D. | None of these |
| Answer» D. None of these | |
| 827. |
Raj picks up a three digit number and subtracts it from the same number after reversing order of the digits. If the difference is divided by 9, then the remainder is ____________. |
| A. | 2 |
| B. | 0 |
| C. | 1 |
| D. | 3 |
| Answer» C. 1 | |
| 828. |
A digit n > 3 is divisible by 3 but not divisible by 6. Which one of the following is divisible by 4? |
| A. | 2n |
| B. | 3n |
| C. | 2n + 4 |
| D. | 3n + 1 |
| Answer» E. | |
| 829. |
Let x be the greatest number such that when it divides 5892, 6105 and 6531, the remainder in each case is y. When (x + y) is divided by 33, then the remainder will be: |
| A. | 24 |
| B. | 19 |
| C. | 9 |
| D. | 25 |
| Answer» B. 19 | |
| 830. |
Let x be the least number which when divided by 15, 18, 20 and 27, the remainder in each case is 10 and x is a multiple of 31. What least number should be added to x to make it a perfect square? |
| A. | 36 |
| B. | 43 |
| C. | 37 |
| D. | 39 |
| Answer» E. | |
| 831. |
Find the LCM of \(\dfrac{4}{3}, \dfrac{8}{9}\) and \(\dfrac{3}{5}.\) |
| A. | 20 |
| B. | 24 |
| C. | \(\dfrac{1}{24}\) |
| D. | \(\dfrac{1}{20}\) |
| Answer» C. \(\dfrac{1}{24}\) | |
| 832. |
10 Millimeter = ? |
| A. | 1 cm |
| B. | 1 Inch |
| C. | 1 meter |
| D. | 1 Decimeter |
| Answer» B. 1 Inch | |
| 833. |
How many packets of \(\frac{1}{16}\) kg sugar can be made from 3\(\frac{1}{4}\) kg of sugar? |
| A. | 52 |
| B. | 48 |
| C. | 12 |
| D. | 64 |
| Answer» B. 48 | |
| 834. |
Find the cube root of 0.027 |
| A. | 0.03 |
| B. | 0.3 |
| C. | 0.003 |
| D. | 3.0 |
| Answer» C. 0.003 | |
| 835. |
\(\frac{1}{{300}}\) written as a recurring decimal is: |
| A. | \(0.00\dot 3\) |
| B. | \(0.0\dot 3\) |
| C. | \(0.000\dot 3\) |
| D. | \(0.\dot 3\) |
| Answer» B. \(0.0\dot 3\) | |
| 836. |
Between any two rational numbers, there is another rational number - it is called? |
| A. | Archimedean Properties |
| B. | Inequality |
| C. | Density Property |
| D. | Intermediate value |
| Answer» D. Intermediate value | |
| 837. |
If the doctor gives you 12 pills tells you to take 4 pills every half hour, like this how long will it take you to finish all those pills? |
| A. | 2 hours |
| B. | 2 hours 15 Mins |
| C. | 1 Hour 30 Mins |
| D. | 2 hours 30 Mins |
| Answer» D. 2 hours 30 Mins | |
| 838. |
If 54321A is divisible by 9, then find the value of 'A'. |
| A. | 2 |
| B. | 0 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 839. |
Find the greatest number which on dividing 3050 and 5200 leaves remainders 7 and 9 respectively. |
| A. | 149 |
| B. | 111 |
| C. | 153 |
| D. | 179 |
| Answer» E. | |
| 840. |
Divide the number 26244 by the smallest number, so that the quotient is perfect cube, so the smallest number is |
| A. | 4 |
| B. | 6 |
| C. | 36 |
| D. | 16 |
| Answer» D. 16 | |
| 841. |
Find the HCF of 27, 18, 45, 81.A. 9B. 6C. 3D. 18 |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 842. |
Find the remainder when 78 + 3 is divided by 6. |
| A. | 4 |
| B. | 6 |
| C. | 3 |
| D. | 2 |
| Answer» B. 6 | |
| 843. |
Find the least number which when divided by 5, 6, 7, 8, leaves a remainder 3, and is also a multiple of 9. |
| A. | 1683 |
| B. | 1677 |
| C. | 843 |
| D. | 1983 |
| Answer» B. 1677 | |
| 844. |
131, 178, 194, and 214 are divided by the same number leaving remainders 10, 2, 7, and 5 respectively. Find the maximum possible value of the number. |
| A. | 11 |
| B. | 13 |
| C. | 7 |
| D. | 3 |
| Answer» B. 13 | |
| 845. |
Find the largest number of five digits which is divisible by 17? |
| A. | 99994 |
| B. | 99999 |
| C. | 99960 |
| D. | 10013 |
| Answer» B. 99999 | |
| 846. |
Find the remainder when 413 divided by 3? |
| A. | 1 |
| B. | 2 |
| C. | 0 |
| D. | 3 |
| Answer» B. 2 | |
| 847. |
Find the HCF of 144, 288 and 396. |
| A. | 18 |
| B. | 72 |
| C. | 36 |
| D. | 48 |
| Answer» D. 48 | |
| 848. |
How many prime numbers are there between 1 and 40? |
| A. | 8 |
| B. | 9 |
| C. | 11 |
| D. | 12 |
| Answer» E. | |
| 849. |
For 0 < m < 1, which one the following is correct? |
| A. | Log10m < m2 < m < m-1 |
| B. | m < m-1 < m2 < Log10m |
| C. | Log10m < m < m-1 < m2 |
| D. | Log10m < m-1 < m < m2 |
| Answer» B. m < m-1 < m2 < Log10m | |
| 850. |
A and B are two sets. A has 10 members and B has 18 members. A ∪ B = 20. The number of members in A ∩ B will be |
| A. | 10 |
| B. | 12 |
| C. | 8 |
| D. | 6 |
| Answer» D. 6 | |