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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.
| 1851. |
124, 235, 447, 760, 1174, ? |
| A. | 1389 |
| B. | 1489 |
| C. | 1589 |
| D. | 1689 |
| Answer» E. | |
| 1852. |
A box contains 5 red, 4 black and 4 blue balls. If 3 balls are drawn randomly from the box, what is the probability that there are exactly 2 blue balls in the three drawn balls ? |
| A. | 27/143 |
| B. | 28/144 |
| C. | 29/145 |
| D. | 30/146 |
| Answer» B. 28/144 | |
| 1853. |
In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend? |
| A. | 5553 |
| B. | 50553 |
| C. | 56053 |
| D. | 55053 |
| Answer» E. | |
| 1854. |
What is the least number, which is perfect square but contains 2700 as its factor? |
| A. | 10800 |
| B. | 1800 |
| C. | 5400 |
| D. | 2700 |
| Answer» B. 1800 | |
| 1855. |
Find the nearest to 25268 which is exactly divisible by 467? |
| A. | 25218 |
| B. | 25208 |
| C. | 25308 |
| D. | 25228 |
| Answer» B. 25208 | |
| 1856. |
What is the sum of all the numbers between 300 and 1000 which are divisible by 179? |
| A. | 2517 |
| B. | 2527 |
| C. | 2607 |
| D. | 2506 |
| Answer» E. | |
| 1857. |
How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? |
| A. | 9 |
| B. | 8 |
| C. | 10 |
| D. | 11 |
| Answer» B. 8 | |
| 1858. |
4.78% of 1255 + 3.24% of 440=0.5% of ? |
| A. | 11849 |
| B. | 12849 |
| C. | 13849 |
| D. | 14849 |
| Answer» E. | |
| 1859. |
In how many different ways can the letters of the word CORPORATION be arranged ? |
| A. | 3326400 |
| B. | 2326400 |
| C. | 1326400 |
| D. | None of the above |
| Answer» B. 2326400 | |
| 1860. |
728.038 x 54.978 - 72.016 x 85.250 = ? |
| A. | 53900 |
| B. | 43900 |
| C. | 33900 |
| D. | 23900 |
| Answer» D. 23900 | |
| 1861. |
A basket contains 5 blue, 4 green and 3 red ball. If three balls are picked at random, what is the probability that at least one is red ? |
| A. | 31/58 |
| B. | 32/51 |
| C. | 34/55 |
| D. | 37/52 |
| Answer» D. 37/52 | |
| 1862. |
How many words can be made using the letters of the word "BHAG WADGITA" if all the vowels come together and all the consonants come together ? |
| A. | 10160 |
| B. | 20160 |
| C. | 30160 |
| D. | 40160 |
| Answer» C. 30160 | |
| 1863. |
In how many different ways can 7 boys and 3 girls sit in a row such that all the three girls do not sit together ? |
| A. | 3086880 |
| B. | 3186880 |
| C. | 3286880 |
| D. | 3386880 |
| Answer» E. | |
| 1864. |
3√103820 x 3√274620 = ? |
| A. | 3035 |
| B. | 3045 |
| C. | 3055 |
| D. | 3065 |
| Answer» D. 3065 | |
| 1865. |
In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? |
| A. | 54 |
| B. | 56 |
| C. | 58 |
| D. | 60 |
| Answer» E. | |
| 1866. |
The cost of 87 pens and 29 pencils is `783. What is the cost of 90 pens and 30 pencils ? |
| A. | Rs. 800 |
| B. | Rs. 810 |
| C. | Rs. 820 |
| D. | Rs. 830 |
| Answer» C. Rs. 820 | |
| 1867. |
The peresent age of the father and the son are in the ratio of 8:3. After 12 years the ratio of their ages will be 2:1. What is the sum of the present age of the father and the son ? |
| A. | 66 years |
| B. | 67 years |
| C. | 68 years |
| D. | 69 years |
| Answer» B. 67 years | |
| 1868. |
16.23 x 12.9 + 17.32 = ? |
| A. | 246.687 |
| B. | 236.687 |
| C. | 226.687 |
| D. | None of the above |
| Answer» D. None of the above | |
| 1869. |
If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. |
| A. | 86 |
| B. | 91 |
| C. | 94 |
| D. | 97 |
| Answer» D. 97 | |
| 1870. |
When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? |
| A. | 550 |
| B. | 650 |
| C. | 750 |
| D. | 850 |
| Answer» E. | |
| 1871. |
Find out the smallest possible number which will be divisible by 1122 as well as 153. |
| A. | 1366 |
| B. | 2366 |
| C. | 3366 |
| D. | 4366 |
| Answer» D. 4366 | |
| 1872. |
Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is |
| A. | 8.484 |
| B. | 8.584 |
| C. | 8.684 |
| D. | 8.784 |
| Answer» B. 8.584 | |
| 1873. |
Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is |
| A. | 74 |
| B. | 85 |
| C. | 93 |
| D. | 110 |
| Answer» C. 93 | |
| 1874. |
The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ? |
| A. | 220 |
| B. | 225 |
| C. | 232 |
| D. | 245 |
| Answer» B. 225 | |
| 1875. |
If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? |
| A. | 124 |
| B. | 146 |
| C. | 163 |
| D. | 179 |
| Answer» B. 146 | |
| 1876. |
What is 432 times 119 ? |
| A. | 53408 |
| B. | 52408 |
| C. | 51408 |
| D. | 50408 |
| Answer» D. 50408 | |
| 1877. |
If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? |
| A. | 92 |
| B. | 95 |
| C. | 99 |
| D. | 103 |
| Answer» D. 103 | |
| 1878. |
The average of 7 consecutive even numbers A, B, C, D, E, F and G is 36. What is the product of ' C and 'E' ? |
| A. | 1168 |
| B. | 1292 |
| C. | 1327 |
| D. | 1468 |
| Answer» C. 1327 | |
| 1879. |
A bag contains eighteen 25-paise coins, seventeen 50-paise coins, twentytwo one-rupee coins, nine 2-rupee coins and three 5-rupee coins. What is the total amount in the bag (Ans in rupees) ? |
| A. | Rs. 62 |
| B. | Rs. 68 |
| C. | Rs. 74 |
| D. | Rs. 79 |
| Answer» C. Rs. 74 | |
| 1880. |
The difference between a two-digit number and the number obtained by interchanging its two digits is 45. The sum of the digit of the number is 9. What is the product of the two digits of the number? |
| A. | 12 |
| B. | 13 |
| C. | 14 |
| D. | 15 |
| Answer» D. 15 | |
| 1881. |
If A + B = 30 and AB = 94, What is the value of A² + B² ? |
| A. | 625 |
| B. | 712 |
| C. | 824 |
| D. | 920 |
| Answer» C. 824 | |
| 1882. |
In how many different ways can the letters of the word ANATOMY be arranged ? |
| A. | 2504 |
| B. | 2508 |
| C. | 2510 |
| D. | 2520 |
| Answer» E. | |
| 1883. |
What least number shall be added to 4700 to make it a perfect square ? |
| A. | 61 |
| B. | 71 |
| C. | 81 |
| D. | 91 |
| Answer» B. 71 | |
| 1884. |
What is the least number that should be added to 5200 to make it a perfect square ? |
| A. | 129 |
| B. | 225 |
| C. | 275 |
| D. | 288 |
| Answer» B. 225 | |
| 1885. |
The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ? |
| A. | 1480 |
| B. | 1580 |
| C. | 1680 |
| D. | 1780 |
| Answer» D. 1780 | |
| 1886. |
If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series? |
| A. | 6/13 |
| B. | 7/13 |
| C. | 8/13 |
| D. | 9/13 |
| Answer» D. 9/13 | |
| 1887. |
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 1888. |
If one-seventh of a number is 55 then 40% of that number = ? |
| A. | 147 |
| B. | 163 |
| C. | 154 |
| D. | 171 |
| Answer» D. 171 | |
| 1889. |
What is the sum of 1 + 2 + 3+ ... + 27 ? |
| A. | 343 |
| B. | 378 |
| C. | 382 |
| D. | 396 |
| Answer» C. 382 | |
| 1890. |
If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? |
| A. | 11 |
| B. | 13 |
| C. | 15 |
| D. | 17 |
| Answer» C. 15 | |
| 1891. |
The sum of the present age of a father and a son is 60 years. Five years before, the age of the father was four times that of son. What is the present age of the son ? |
| A. | 15 years |
| B. | 18 years |
| C. | 21 years |
| D. | 25 years |
| Answer» B. 18 years | |
| 1892. |
The average of 7 numbers is 15, that of the first three is 6 and that of the last three is 23. What is the fourth number? |
| A. | 7 |
| B. | 13 |
| C. | 15 |
| D. | 18 |
| Answer» E. | |
| 1893. |
Which number should replace question mark (?) in the following equation ? ?/342 = 38/? |
| A. | 112 |
| B. | 114 |
| C. | 116 |
| D. | 118 |
| Answer» C. 116 | |
| 1894. |
One-eighth of a number is 76. What will be 54% of the number ? |
| A. | 318.32 |
| B. | 321.32 |
| C. | 328.32 |
| D. | 332.32 |
| Answer» D. 332.32 | |
| 1895. |
A plot of 650 sq ft is available at the rate of Rs 6500 per sq ft. If 13% of the total cost of the plot is to be paid for booking the plot, what is the booking amount, (in Rs) ? |
| A. | Rs. 507250 |
| B. | Rs. 519850 |
| C. | Rs. 536250 |
| D. | Rs. 549250 |
| Answer» E. | |
| 1896. |
The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ? |
| A. | 225 |
| B. | 245 |
| C. | 275 |
| D. | 295 |
| Answer» B. 245 | |
| 1897. |
The difference between a two-digit number and the number obtained after interchanging its two digits is 36. The sum of the two digits of the number is 12. Find the lowest such possible number. |
| A. | 47 |
| B. | 48 |
| C. | 49 |
| D. | 50 |
| Answer» C. 49 | |
| 1898. |
If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? |
| A. | 23 |
| B. | 24 |
| C. | 25 |
| D. | 26 |
| Answer» B. 24 | |
| 1899. |
The sum of the ages of a son and father is 65 years. After 5 years the age of father will be double of the age of son. What is the age of son ? |
| A. | 17 years |
| B. | 18 years |
| C. | 19 years |
| D. | 20 years |
| Answer» D. 20 years | |
| 1900. |
What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 |
| A. | 11 |
| B. | 121 |
| C. | 225 |
| D. | 321 |
| Answer» C. 225 | |