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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.
| 2101. |
A certain number of two digits is three times the sum of its digits. If 45 be added to it, the digits are reversed. The number is: |
| A. | 22 |
| B. | 24 |
| C. | 27 |
| D. | 30 |
| Answer» D. 30 | |
| 2102. |
The square root of 3 + “5 is : |
| A. | “(5/2) + “(1/2) |
| B. | “3 /2 + 1/”2 |
| C. | “5 /2 - 1/”2 |
| D. | “3 /2 - 1/”2 |
| Answer» B. “3 /2 + 1/”2 | |
| 2103. |
If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: |
| A. | 77/73 |
| B. | 73/77 |
| C. | 83/77 |
| D. | 93/77 |
| Answer» D. 93/77 | |
| 2104. |
In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: |
| A. | 2568 |
| B. | 5336 |
| C. | 6890 |
| D. | 9865 |
| Answer» C. 6890 | |
| 2105. |
What is 50% of 40% of Rs. 3,450? |
| A. | 690 |
| B. | 640 |
| C. | 670 |
| D. | 630 |
| Answer» B. 640 | |
| 2106. |
If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? |
| A. | 1/3 |
| B. | 5/4 |
| C. | 7/9 |
| D. | 11/13 |
| Answer» E. | |
| 2107. |
The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? |
| A. | 168 |
| B. | 169 |
| C. | 170 |
| D. | 171 |
| Answer» B. 169 | |
| 2108. |
What number should replace both the question marks (?) in the following question ? |
| A. | 82 |
| B. | 83 |
| C. | 84 |
| D. | 85 |
| Answer» D. 85 | |
| 2109. |
What should come in the place of question mark (?) in the number series given below? |
| A. | 157 |
| B. | 158 |
| C. | 159 |
| D. | 160 |
| Answer» E. | |
| 2110. |
A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be percentage profit? |
| A. | 14 |
| B. | 17 |
| C. | 21 |
| D. | 33 |
| Answer» C. 21 | |
| 2111. |
Four-fifth of a number is 10 more than two-third of the same number. What is the number? |
| A. | 35 |
| B. | 75 |
| C. | 89 |
| D. | 91 |
| Answer» C. 89 | |
| 2112. |
In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction |
| A. | 19/12 |
| B. | 17/12 |
| C. | 11/12 |
| D. | 7/12 |
| Answer» E. | |
| 2113. |
The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? |
| A. | 39 |
| B. | 49 |
| C. | 59 |
| D. | 69 |
| Answer» B. 49 | |
| 2114. |
Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? |
| A. | 23 |
| B. | 34 |
| C. | 65 |
| D. | 78 |
| Answer» D. 78 | |
| 2115. |
432+2170+35=? |
| A. | 494 |
| B. | 523 |
| C. | 678 |
| D. | 729 |
| Answer» B. 523 | |
| 2116. |
1256+4813+765=? |
| A. | 6831 |
| B. | 6834 |
| C. | 6836 |
| D. | 6839 |
| Answer» C. 6836 | |
| 2117. |
35%of ?=242 |
| A. | 394 |
| B. | 487 |
| C. | 542 |
| D. | 693 |
| Answer» E. | |
| 2118. |
83250÷?=74×25 |
| A. | 21 |
| B. | 38 |
| C. | 45 |
| D. | 59 |
| Answer» D. 59 | |
| 2119. |
65% of 320+?=686 |
| A. | 478 |
| B. | 479 |
| C. | 480 |
| D. | 481 |
| Answer» B. 479 | |
| 2120. |
56.21 +2.36+5.41 —21.4+1.5=? |
| A. | 34.08 |
| B. | 44.08 |
| C. | 54.08 |
| D. | 64.08 |
| Answer» C. 54.08 | |
| 2121. |
1008÷36=? |
| A. | 25 |
| B. | 26 |
| C. | 27 |
| D. | 28 |
| Answer» E. | |
| 2122. |
1827÷ 36 x ?=162.4 |
| A. | 1.9 |
| B. | 2.6 |
| C. | 3.2 |
| D. | 4.3 |
| Answer» D. 4.3 | |
| 2123. |
486+32×25—59=? |
| A. | 528 |
| B. | 567 |
| C. | 582 |
| D. | 596 |
| Answer» B. 567 | |
| 2124. |
64% of 2650+40% 0f 320=? |
| A. | 1247 |
| B. | 1578 |
| C. | 1824 |
| D. | 2096 |
| Answer» D. 2096 | |
| 2125. |
36% of 850+? % of 592 = 750 |
| A. | 12.5 |
| B. | 25 |
| C. | 50 |
| D. | 75 |
| Answer» E. | |
| 2126. |
(2560 x 1.4) +(7400 x 0.6) =? |
| A. | 6543 |
| B. | 7234 |
| C. | 8024 |
| D. | 9160 |
| Answer» D. 9160 | |
| 2127. |
2536+4851—?=3450+313 |
| A. | 3624 |
| B. | 4567 |
| C. | 5243 |
| D. | 6784 |
| Answer» B. 4567 | |
| 2128. |
What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? |
| A. | 70983 |
| B. | 43893 |
| C. | 43983 |
| D. | 43883 |
| Answer» D. 43883 | |
| 2129. |
The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? |
| A. | 3 |
| B. | 5 |
| C. | 7 |
| D. | 11 |
| Answer» D. 11 | |
| 2130. |
Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? |
| A. | 148 |
| B. | 210 |
| C. | 126 |
| D. | 248 |
| Answer» D. 248 | |
| 2131. |
One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? |
| A. | 3 |
| B. | 5 |
| C. | 7 |
| D. | 9 |
| Answer» E. | |
| 2132. |
If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? |
| A. | 90 |
| B. | 120 |
| C. | 160 |
| D. | 60 |
| Answer» C. 160 | |
| 2133. |
(12.11)2 + (?)2 = 732.2921 |
| A. | 14.2 |
| B. | 17.2 |
| C. | 20.2 |
| D. | 24.2 |
| Answer» E. | |
| 2134. |
(4 86%of 6500) ÷ 36 =? |
| A. | 677.5 |
| B. | 777.5 |
| C. | 877.5 |
| D. | 977.5 |
| Answer» D. 977.5 | |
| 2135. |
(95.6x 910.3) ÷ 92.56256 = 9? |
| A. | 12.24 |
| B. | 13.34 |
| C. | 14.44 |
| D. | 15.54 |
| Answer» C. 14.44 | |
| 2136. |
Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is |
| A. | 72 |
| B. | 56 |
| C. | 44 |
| D. | 38 |
| Answer» B. 56 | |
| 2137. |
The number of prime factors of (6)10×(7)17×(55)27 |
| A. | 41 |
| B. | 61 |
| C. | 91 |
| D. | 101 |
| Answer» D. 101 | |
| 2138. |
?2704 x ?2209=? |
| A. | 1444 |
| B. | 2444 |
| C. | 3444 |
| D. | 4444 |
| Answer» C. 3444 | |
| 2139. |
384×12×2=? |
| A. | 6123 |
| B. | 7487 |
| C. | 8465 |
| D. | 9216 |
| Answer» E. | |
| 2140. |
?125÷5x ?=6265 |
| A. | 1452 |
| B. | 124 |
| C. | 153 |
| D. | 1253 |
| Answer» E. | |
| 2141. |
(1024—263—233)÷(986—764— 156) =? |
| A. | 6 |
| B. | 8 |
| C. | 10 |
| D. | None of these |
| Answer» C. 10 | |
| 2142. |
576÷ ? x114=8208 |
| A. | 8 |
| B. | 9 |
| C. | 10 |
| D. | 11 |
| Answer» B. 9 | |
| 2143. |
On converting the following base-2 numeral in base ten, 1101101, we get |
| A. | 106 |
| B. | 107 |
| C. | 108 |
| D. | 109 |
| Answer» D. 109 | |
| 2144. |
0.333 .... × 0.444 .... is equal to |
| A. | 0.148148148 .... |
| B. | 0.121212 .... |
| C. | 0.777 .... |
| D. | 1.333 .... |
| Answer» B. 0.121212 .... | |
| 2145. |
If 272/3 × 81-1/2 = 3x, the value of x is |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» B. 1 | |
| 2146. |
Let R = qs—4. When s=8, R=16. When s=10, R is equal to |
| A. | 20 |
| B. | 21 |
| C. | 22 |
| D. | 23 |
| Answer» C. 22 | |
| 2147. |
Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: |
| A. | 36 |
| B. | 27 |
| C. | 18 |
| D. | 30 |
| Answer» B. 27 | |
| 2148. |
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: |
| A. | 20 |
| B. | 30 |
| C. | 40 |
| D. | None of these |
| Answer» B. 30 | |
| 2149. |
In a pair of fractions, fraction A is twice the fraction B and the product of two fractions is 2/25. What is the value of fraction A? |
| A. | 1/5 |
| B. | 1/25 |
| C. | 2/5 |
| D. | Data inadequate |
| Answer» D. Data inadequate | |
| 2150. |
A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: |
| A. | 18 |
| B. | 24 |
| C. | 42 |
| D. | 81 |
| Answer» C. 42 | |