MCQOPTIONS
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MCQOPTIONS
This section includes 175 Mcqs, each offering curated multiple-choice questions to sharpen your Discrete Mathematics knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Which one of the following numbers is completely divisible by 99? |
| A. | 3572404 |
| B. | 135792 |
| C. | 913464 |
| D. | 114345 |
| Answer» E. | |
| 102. |
How many of the following numbers are divisible by 3 but not by 9 ?2133, 2343, 3474, 4131, 5286, 5340, 6336, 7347, 8115, 9276 |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | None of these |
| Answer» C. 7 | |
| 103. |
The sum of how many terms of the series 6 + 12 + 18 + 24 + ... is 1800 ? |
| A. | 16 |
| B. | 24 |
| C. | 20 |
| D. | 18 |
| Answer» C. 20 | |
| 104. |
9548 + 7314 = 8362 + (?) |
| A. | 8230 |
| B. | 8410 |
| C. | 8500 |
| D. | 8600 |
| Answer» D. 8600 | |
| 105. |
The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number? |
| A. | 3 |
| B. | 4 |
| C. | 9 |
| D. | Cannot be determined |
| Answer» C. 9 | |
| 106. |
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. | |
| 107. |
(935421 x 625) = ? |
| A. | 575648125 |
| B. | 584638125 |
| C. | 584649125 |
| D. | 585628125 |
| Answer» C. 584649125 | |
| 108. |
The difference between the place value and the face value of 6 in the numeral 856973 is |
| A. | 973 |
| B. | 6973 |
| C. | 5994 |
| D. | None of these |
| Answer» D. None of these | |
| 109. |
If the number 653 xy is divisible by 90, then (x + y) = ? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 6 |
| Answer» D. 6 | |
| 110. |
Which of the following number is divisible by 24 ? |
| A. | 35718 |
| B. | 63810 |
| C. | 537804 |
| D. | 3125736 |
| Answer» E. | |
| 111. |
Which of the following numbers will completely divide (4^61 + 4^62 + 4^63 + 4^64) ? |
| A. | 3 |
| B. | 10 |
| C. | 11 |
| D. | 13 |
| Answer» C. 11 | |
| 112. |
666 ÷ 6 ÷ 3 = ? |
| A. | 37 |
| B. | 333 |
| C. | 111 |
| D. | 84 |
| Answer» B. 333 | |
| 113. |
Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number. |
| A. | 3 |
| B. | 10 |
| C. | 17 |
| D. | 20 |
| Answer» B. 10 | |
| 114. |
The smallest prime number is: |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 115. |
(11^2 + 12^2 + 13^2 + ... + 20^2) = ? |
| A. | 385 |
| B. | 2485 |
| C. | 2870 |
| D. | 3255 |
| Answer» C. 2870 | |
| 116. |
What should come in place of both x in the equation:x/√128 = √162/x |
| A. | 12 |
| B. | 14 |
| C. | 144 |
| D. | 196 |
| Answer» B. 14 | |
| 117. |
If the number 42573 * is exactly divisible by 72, then the minimum value of * is: |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» D. 7 | |
| 118. |
Which one of the following is a prime number ? |
| A. | 119 |
| B. | 187 |
| C. | 247 |
| D. | None of these |
| Answer» E. | |
| 119. |
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 | |
| 120. |
(1^2 + 2^2 + 3^2 + ... + 10^2) = ? |
| A. | 330 |
| B. | 345 |
| C. | 365 |
| D. | 385 |
| Answer» E. | |
| 121. |
107 x 107 + 93 x 93 = ? |
| A. | 19578 |
| B. | 19418 |
| C. | 20098 |
| D. | 21908 |
| Answer» D. 21908 | |
| 122. |
(51+ 52 + 53 + ... + 100) = ? |
| A. | 2525 |
| B. | 2975 |
| C. | 3225 |
| D. | 3775 |
| Answer» E. | |
| 123. |
A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 59.29, the number of the member is the group is: |
| A. | 57 |
| B. | 67 |
| C. | 77 |
| D. | 87 |
| Answer» D. 87 | |
| 124. |
If the number 481 * 673 is completely divisible by 9, then the smallest whole number in place of * will be: |
| A. | 2 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» E. | |
| 125. |
If 1400 * x = 1050. Then, x = ? |
| A. | 1/4 |
| B. | 3/5 |
| C. | 2/3 |
| D. | 3/4 |
| Answer» E. | |
| 126. |
The largest 5 digit number exactly divisible by 91 is: |
| A. | 99921 |
| B. | 99918 |
| C. | 99981 |
| D. | 99971 |
| Answer» C. 99981 | |
| 127. |
The unit digit in the product (784 x 618 x 917 x 463) is: |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 128. |
2 + 2^2 + 2^3 + ... + 2^9 = ? |
| A. | 2044 |
| B. | 1022 |
| C. | 1056 |
| D. | None of these |
| Answer» C. 1056 | |
| 129. |
If the product 4864 x 9 P 2 is divisible by 12, then the value of P is: |
| A. | 2 |
| B. | 5 |
| C. | 6 |
| D. | None of these |
| Answer» E. | |
| 130. |
Find the odd man out:3, 5, 7, 12, 17, 19 |
| A. | 19 |
| B. | 17 |
| C. | 5 |
| D. | 12 |
| Answer» E. | |
| 131. |
On dividing a number by 357, we get 39 as remainder. On dividing the same number 17, what will be the remainder ? |
| A. | 0 |
| B. | 3 |
| C. | 5 |
| D. | 11 |
| Answer» D. 11 | |
| 132. |
In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, what is the dividend ? |
| A. | 4236 |
| B. | 4306 |
| C. | 4336 |
| D. | 5336 |
| Answer» E. | |
| 133. |
The sum all even natural numbers between 1 and 31 is: |
| A. | 16 |
| B. | 128 |
| C. | 240 |
| D. | 512 |
| Answer» D. 512 | |
| 134. |
How many 3 digit numbers are divisible by 6 in all ? |
| A. | 149 |
| B. | 150 |
| C. | 151 |
| D. | 166 |
| Answer» C. 151 | |
| 135. |
8597 - ? = 7429 - 4358 |
| A. | 5426 |
| B. | 5706 |
| C. | 5526 |
| D. | 5476 |
| Answer» D. 5476 | |
| 136. |
A number when divided successively by 4 and 5 leaves remainders 1 and 4 respectively. When it is successively divided by 5 and 4, then the respective remainders will be |
| A. | 1, 2 |
| B. | 2, 3 |
| C. | 3, 2 |
| D. | 4, 1 |
| Answer» C. 3, 2 | |
| 137. |
A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4-digit number 13b7, which is divisible by 11. Then, (a + b) = ? |
| A. | 10 |
| B. | 11 |
| C. | 12 |
| D. | 15 |
| Answer» B. 11 | |
| 138. |
If the number 5 * 2 is divisible by 6, then * = ? |
| A. | 2 |
| B. | 3 |
| C. | 6 |
| D. | 7 |
| Answer» B. 3 | |
| 139. |
√1.5625 = ? |
| A. | 1.05 |
| B. | 1.25 |
| C. | 1.45 |
| D. | 1.55 |
| Answer» C. 1.45 | |
| 140. |
Which one of the following is the common factor of (47^43 + 43^43) and (47^47 + 43^47) ? |
| A. | (47 - 43) |
| B. | (47 + 43) |
| C. | (47^43 + 43^43) |
| D. | None of these |
| Answer» C. (47^43 + 43^43) | |
| 141. |
Find the odd man out:3, 5, 11, 14, 17, 21 |
| A. | 21 |
| B. | 17 |
| C. | 14 |
| D. | 3 |
| Answer» D. 3 | |
| 142. |
Which natural number is nearest to 9217, which is completely divisible by 88 ? |
| A. | 9152 |
| B. | 9240 |
| C. | 9064 |
| D. | 9184 |
| Answer» C. 9064 | |
| 143. |
(?) - 19657 - 33994 = 9999 |
| A. | 63650 |
| B. | 53760 |
| C. | 59640 |
| D. | 61560 |
| Answer» B. 53760 | |
| 144. |
The largest 4 digit number exactly divisible by 88 is: |
| A. | 9944 |
| B. | 9768 |
| C. | 9988 |
| D. | 8888 |
| Answer» B. 9768 | |
| 145. |
1904 x 1904 = ? |
| A. | 3654316 |
| B. | 3632646 |
| C. | 3625216 |
| D. | 3623436 |
| Answer» D. 3623436 | |
| 146. |
What is the unit digit in 7^105 ? |
| A. | 1 |
| B. | 5 |
| C. | 7 |
| D. | 9 |
| Answer» D. 9 | |
| 147. |
The sum of first 45 natural numbers is: |
| A. | 1035 |
| B. | 1280 |
| C. | 2070 |
| D. | 2140 |
| Answer» B. 1280 | |
| 148. |
-84 x 29 + 365 = ? |
| A. | 2436 |
| B. | 2801 |
| C. | -2801 |
| D. | -2071 |
| Answer» E. | |
| 149. |
On dividing a 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 | |
| 150. |
Which natural number is nearest to 8485, which is completely divisible by 75 ? |
| A. | 8475 |
| B. | 8500 |
| C. | 8550 |
| D. | 8525 |
| Answer» B. 8500 | |