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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.
| 2151. |
A number consists of 3 digit whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is: |
| A. | 145 |
| B. | 253 |
| C. | 370 |
| D. | 352 |
| Answer» C. 370 | |
| 2152. |
The difference between a two-digit number and the number obtained by interchanging the digit is 36. What is the difference between the sum and the difference of the digits of the number if the ratio b |
| A. | 4 |
| B. | 8 |
| C. | 16 |
| D. | None of these |
| Answer» C. 16 | |
| 2153. |
The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers? |
| A. | 29 |
| B. | 70 |
| C. | 92 |
| D. | Cannot be determined |
| Answer» E. | |
| 2154. |
A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by: |
| A. | 3 |
| B. | 5 |
| C. | 9 |
| D. | 11 |
| Answer» E. | |
| 2155. |
In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is: |
| A. | 24 |
| B. | 26 |
| C. | 42 |
| D. | 46 |
| Answer» B. 26 | |
| 2156. |
The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number? |
| A. | 69 |
| B. | 78 |
| C. | 96 |
| D. | Cannot be determined |
| Answer» E. | |
| 2157. |
The sum of three consecutive multiples of 3 is 72. What is the largest number? |
| A. | 21 |
| B. | 24 |
| C. | 27 |
| D. | 36 |
| Answer» D. 36 | |
| 2158. |
Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: |
| A. | 9 |
| B. | 11 |
| C. | 13 |
| D. | 15 |
| Answer» E. | |
| 2159. |
The sum of three consecutive numbers is 87. The greatest among these three number is: |
| A. | 26 |
| B. | 28 |
| C. | 29 |
| D. | 30 |
| Answer» E. | |
| 2160. |
If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is: |
| A. | 40 |
| B. | 44 |
| C. | 80 |
| D. | 88 |
| Answer» B. 44 | |
| 2161. |
If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: |
| A. | 12 |
| B. | 28 |
| C. | 160 |
| D. | 180 |
| Answer» D. 180 | |
| 2162. |
The difference between two integers is 5. Their product is 500. Find the numbers. |
| A. | 15, 20 |
| B. | 20, 25 |
| C. | 30, 25 |
| D. | 21, 26 |
| Answer» C. 30, 25 | |
| 2163. |
The sum of two numbers is 25 and their difference is 13. Find their product. |
| A. | 104 |
| B. | 114 |
| C. | 315 |
| D. | 325 |
| Answer» C. 315 | |
| 2164. |
The sum of two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two numbers is: |
| A. | 10 |
| B. | 12 |
| C. | 15 |
| D. | 16 |
| Answer» B. 12 | |
| 2165. |
The sum of the numbers is 264. If the first number be twice the second and third number be one-third of the first, then the second number is: |
| A. | 48 |
| B. | 54 |
| C. | 72 |
| D. | 84 |
| Answer» D. 84 | |
| 2166. |
The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: |
| A. | 1/289 |
| B. | 289/290 |
| C. | 290/289 |
| D. | 289 |
| Answer» D. 289 | |
| 2167. |
Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: |
| A. | 5/12 |
| B. | 12/5 |
| C. | 25/144 |
| D. | 144/25 |
| Answer» B. 12/5 | |
| 2168. |
The sum of a number and its reciprocal is one-eighth of 34. What is the product of the number and its square root? |
| A. | 8 |
| B. | 27 |
| C. | 32 |
| D. | None of these |
| Answer» B. 27 | |
| 2169. |
Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 10 |
| Answer» C. 6 | |
| 2170. |
Twenty times a positive integer is less than its square by 96. What is the integer? |
| A. | 20 |
| B. | 24 |
| C. | 30 |
| D. | Cannot be determined |
| Answer» C. 30 | |
| 2171. |
If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: |
| A. | 15 |
| B. | 18 |
| C. | 20 |
| D. | 30 |
| Answer» D. 30 | |
| 2172. |
Find the number which multiplied by 15 is increased by 196. |
| A. | 14 |
| B. | 20 |
| C. | 26 |
| D. | 28 |
| Answer» B. 20 | |
| 2173. |
A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? |
| A. | 3.5 |
| B. | 6 |
| C. | 8 |
| D. | None of these |
| Answer» D. None of these | |
| 2174. |
If one-third of one fourth of a number is 15, then three-tenth of that number is: |
| A. | 35 |
| B. | 25 |
| C. | 45 |
| D. | 54 |
| Answer» E. | |
| 2175. |
The difference between a number and its three-fifth is 50. What is the number? |
| A. | 75 |
| B. | 100 |
| C. | 125 |
| D. | None of these |
| Answer» D. None of these | |
| 2176. |
On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: |
| A. | 47619 |
| B. | 47719 |
| C. | 48619 |
| D. | 47649 |
| Answer» B. 47719 | |
| 2177. |
On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is: |
| A. | 10 |
| B. | 11 |
| C. | 12 |
| D. | 13 |
| Answer» B. 11 | |
| 2178. |
The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: |
| A. | 3/5 |
| B. | 3/10 |
| C. | 4/5 |
| D. | 5/4 |
| Answer» D. 5/4 | |
| 2179. |
The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? |
| A. | 12/35 |
| B. | 1/35 |
| C. | 35/8 |
| D. | 7/32 |
| Answer» B. 1/35 | |
| 2180. |
In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient? |
| A. | 0 |
| B. | 12 |
| C. | 13 |
| D. | 20 |
| Answer» E. | |
| 2181. |
The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number? |
| A. | 240 |
| B. | 270 |
| C. | 295 |
| D. | 360 |
| Answer» C. 295 | |
| 2182. |
A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number? |
| A. | 42 |
| B. | 84 |
| C. | 21 |
| D. | 24 |
| Answer» B. 84 | |
| 2183. |
Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? |
| A. | 42 |
| B. | 72 |
| C. | 90 |
| D. | 69 |
| Answer» C. 90 | |
| 2184. |
If 70% of an equal to 40% of b, then ratio between a and b is? |
| A. | 4: 7 |
| B. | 7: 4 |
| C. | 7: 11 |
| D. | None |
| Answer» B. 7: 4 | |
| 2185. |
If a number is subtracted from its square we get 272. Find the number? |
| A. | 24 |
| B. | 14 |
| C. | 17 |
| D. | 22 |
| Answer» D. 22 | |
| 2186. |
The difference between the two digit number and the number obtained by interchanging its digits is 54. The difference between the digits is? |
| A. | 4 |
| B. | 6 |
| C. | 1 |
| D. | Nothing can be said. |
| Answer» C. 1 | |
| 2187. |
On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 4 |
| Answer» E. | |
| 2188. |
On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? |
| A. | 0 |
| B. | 3 |
| C. | 5 |
| D. | 11 |
| Answer» D. 11 | |
| 2189. |
On dividing number by 56, we get 29 as remainder. On dividing the same number by 8, what will be the remainder? |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» C. 6 | |
| 2190. |
On dividing a number by 68, we get 269 as quotient and 0 as remainder. On dividing the same number by 67, what will be the remainder? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» C. 2 | |
| 2191. |
Which one of the following numbers is exactly divisible by 11? |
| A. | 235641 |
| B. | 245642 |
| C. | 315624 |
| D. | 415624 |
| Answer» E. | |
| 2192. |
How many of the following numbers are divisible by 132? 264, 396, 462, 792, 968, 2178, 5184, 6336 |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» B. 5 | |
| 2193. |
106 * 106 - 94 * 94 = ? |
| A. | 2400 |
| B. | 2000 |
| C. | 1904 |
| D. | 1906 |
| Answer» B. 2000 | |
| 2194. |
217 * 217 + 183 * 183 = ? |
| A. | 79698 |
| B. | 80578 |
| C. | 80698 |
| D. | 81268 |
| Answer» C. 80698 | |
| 2195. |
5358 * 51 = ? |
| A. | 273258 |
| B. | 273268 |
| C. | 273348 |
| D. | 273358 |
| Answer» B. 273268 | |
| 2196. |
35 + 15 * 1.5 = ? |
| A. | 75 |
| B. | 51.5 |
| C. | 57.5 |
| D. | 5.25 |
| Answer» D. 5.25 | |
| 2197. |
(800 / 64) * (1296 / 36) = ? |
| A. | 420 |
| B. | 460 |
| C. | 500 |
| D. | None of these |
| Answer» E. | |
| 2198. |
666 / 6 / 3 = ? |
| A. | 37 |
| B. | 333 |
| C. | 111 |
| D. | 84 |
| Answer» B. 333 | |
| 2199. |
8988 / 8 / 4 = ? |
| A. | 4494 |
| B. | 561.75 |
| C. | 2247 |
| D. | 280.875 |
| Answer» E. | |
| 2200. |
4500 * ? = 3375 |
| A. | 2/5 |
| B. | 3/4 |
| C. | 1/4 |
| D. | 3/5 |
| Answer» C. 1/4 | |