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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.
| 301. |
If (1.25) (1 – 6.4 × 10-5) = 1.2496 + α, then α is equal to: |
| A. | 0.00016 |
| B. | 0.00032 |
| C. | 0.0016 |
| D. | 0.0032 |
| Answer» C. 0.0016 | |
| 302. |
A caterpillar crawls up a pole of 75 inches high, starting from the ground. Each day, it crawls up 5 inches and each night it slides down 4 inches. When will it reach the top of the pole? |
| A. | End of 70 days |
| B. | End of 71 days |
| C. | End of 72 days |
| D. | End of 73 days |
| Answer» C. End of 72 days | |
| 303. |
A two digit number is such that the product of the two digits is 72 and their sum is 17. If the unit place is greater than ten's place ,Then number is ______. |
| A. | 72 |
| B. | 17 |
| C. | 55 |
| D. | 89 |
| Answer» E. | |
| 304. |
If the numerator and denominator of a proper fraction are increased by the same positive quantity which is greater than zero, the resulting fraction is |
| A. | always less than the original fraction |
| B. | always greater than the original fraction |
| C. | always equal to the original fraction |
| D. | such that nothing can be claimed definitely |
| Answer» C. always equal to the original fraction | |
| 305. |
How many zeroes would you write after one, if you had to write one crore in numerals? |
| A. | Four |
| B. | Five |
| C. | Six |
| D. | Seven |
| Answer» E. | |
| 306. |
6/7 part of a tank is filled with oil. After taking out 60 litres of oil the tank is 4/5 part full. What is the capacity (in litres) of the tank? |
| A. | 350 |
| B. | 700 |
| C. | 360 |
| D. | 1050 |
| Answer» E. | |
| 307. |
If a three-digit number 6X6 is divisible by 11, then the value of X is: |
| A. | 3 |
| B. | 4 |
| C. | 2 |
| D. | 1 |
| Answer» E. | |
| 308. |
If 17200 is divided by 18, the remainder is |
| A. | 16 |
| B. | 17 |
| C. | 5 |
| D. | 1 |
| Answer» E. | |
| 309. |
How many prime numbers are there between 22 and 92? |
| A. | 20 |
| B. | 10 |
| C. | 24 |
| D. | 18 |
| Answer» B. 10 | |
| 310. |
One page is torn from a booklet whose pages are numbered in the usual manner starting from the first page as 1. The sum of the numbers on the remaining pages is 195. The torn page contains which of the following numbers? |
| A. | 5, 6 |
| B. | 7, 8 |
| C. | 9, 10 |
| D. | 11, 12 |
| Answer» C. 9, 10 | |
| 311. |
LCM of two numbers is 28 times their HCF. The sum of the HCF and the LCM is 1740. If one of there numbers is 240, then what is the other number ? |
| A. | 420 |
| B. | 640 |
| C. | 820 |
| D. | 1040 |
| Answer» B. 640 | |
| 312. |
100 is divided into two parts 'A' and 'B'. If the inverse sum of 'A' and 'B' is 1/24, which is the bigger number? |
| A. | 35 |
| B. | 60 |
| C. | 45 |
| D. | 65 |
| Answer» C. 45 | |
| 313. |
0.001 × 0.05 = _________ |
| A. | 0.051 |
| B. | 0.005 |
| C. | 0.0005 |
| D. | 0.00005 |
| Answer» E. | |
| 314. |
LCM of two co–prime numbers a and b is (a is greater than b): |
| A. | a |
| B. | a + b |
| C. | ab |
| D. | b |
| Answer» D. b | |
| 315. |
If the six-digit number 4x4y96 is divisible by 88, then what will be the value of (x + 2y)?[y = smallest number > 0] |
| A. | 13 |
| B. | 10 |
| C. | 12 |
| D. | 19 |
| Answer» B. 10 | |
| 316. |
40 × 0 × 12 = ? |
| A. | 12 |
| B. | 45 |
| C. | 0 |
| D. | 540 |
| Answer» D. 540 | |
| 317. |
Let d(n) denote the number of positive divisors of a positive integer n. Which of the following are correct?1. d(5) = d(11)2. d(5).d(11) = d(55)3. d(5) + d(11) = d(16)Select the correct answer using the code given below: |
| A. | 1 and 3 only |
| B. | 1 and 2 only |
| C. | 2 and 3 only |
| D. | 1,2 and 3 |
| Answer» C. 2 and 3 only | |
| 318. |
Choose the correct answer. The multiplicative inverse of 11/13 is________. |
| A. | 12/13 |
| B. | 13/11 |
| C. | 11/13 |
| D. | 12/11 |
| Answer» C. 11/13 | |
| 319. |
How many multiples of both 2 and 9 are there from 1 to 200? |
| A. | 10 |
| B. | 11 |
| C. | 12 |
| D. | 13 |
| Answer» C. 12 | |
| 320. |
Find the value of '?' - 0.0043/? = 0.43A. 0.10B. 0.01C. 1.001D. 0.001 |
| A. | D |
| B. | C |
| C. | A |
| D. | B |
| Answer» E. | |
| 321. |
(101 × 72)2 = ? |
| A. | 52881984 |
| B. | 59924888 |
| C. | 58824999 |
| D. | 59291896 |
| Answer» B. 59924888 | |
| 322. |
Each person's performance compared with all other persons is to be done to rank them subjectively. How many comparisons are needed in total, if there are 11 persons ? |
| A. | 66 |
| B. | 55 |
| C. | 54 |
| D. | 45 |
| Answer» C. 54 | |
| 323. |
Hira decides to pack 165 mangoes in boxes that can hold 18 each. She decided to carry only fully filled mango boxes and give away the rest. Find how many mangoes Hira will give away. |
| A. | 7 |
| B. | 13 |
| C. | 9 |
| D. | 3 |
| Answer» E. | |
| 324. |
Consider the multiplication 999 × abc = def132 in decimal notation, where a, b, c, d, e and f are digits. What are the values of a, b, c, d, e and f respectively? |
| A. | 6, 6, 8, 6, 8, 7 |
| B. | 8, 6, 8, 6, 7, 8 |
| C. | 6, 8, 8, 7, 8, 6 |
| D. | 8, 6, 8, 8, 6, 7 |
| Answer» E. | |
| 325. |
How many numbers are there between 100 and 300 which either begin with or end with 2? |
| A. | 110 |
| B. | 111 |
| C. | 112 |
| D. | None of the above |
| Answer» B. 111 | |
| 326. |
Find the HCF of two consecutive even integers. |
| A. | 1 |
| B. | 2 |
| C. | -1 |
| D. | 0 |
| Answer» C. -1 | |
| 327. |
Find the remainder in the expression \(\frac{{550\; \times \;651\; \times \;662}}{7}\) |
| A. | 2 |
| B. | 4 |
| C. | 0 |
| D. | 3 |
| Answer» D. 3 | |
| 328. |
A number when divided by 80 leaves remainder 20, what is the remainder when the same number is divided by 16? |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» C. 6 | |
| 329. |
How many numbers are there from 200 to 800 which are neither divisible by 5 nor by 7? |
| A. | 411 |
| B. | 410 |
| C. | 407 |
| D. | 413 |
| Answer» B. 410 | |
| 330. |
If 2.365 × 10x = 0.0002365, then the value of x is: |
| A. | -5 |
| B. | -3 |
| C. | -4 |
| D. | -2 |
| Answer» D. -2 | |
| 331. |
If 2/3rd of a pizza costs Rs. 300, then 3/5th of a pizza will cost: |
| A. | Rs. 180 |
| B. | Rs. 250 |
| C. | Rs. 225 |
| D. | Rs. 270 |
| Answer» E. | |
| 332. |
A number that is divisible by all the numbers from 1 to 10 (both inclusive) is |
| A. | 10 |
| B. | 100 |
| C. | 604 |
| D. | 2520 |
| Answer» E. | |
| 333. |
Out of 28 people in a park, 12 are children and rest of them are adults 8 people have to leave at 3 p.m. If after 3 p.m. , there are 6 children still in the park, how many adults are still in the park? |
| A. | 6 |
| B. | 8 |
| C. | 14 |
| D. | 12 |
| Answer» D. 12 | |
| 334. |
If the product of two numbers is 2522 and their LCM is 97 then their HCF is: |
| A. | 28 |
| B. | 29 |
| C. | 27 |
| D. | 26 |
| Answer» E. | |
| 335. |
Pick the rational number from the given options |
| A. | e |
| B. | π |
| C. | \(\sqrt 3 \) |
| D. | \(\sqrt {64} \) |
| Answer» E. | |
| 336. |
If \(x = 0.\bar 3\) then x2 = |
| A. | \(0.\overline {33}\) |
| B. | \(0.\bar 9\) |
| C. | \(0.0\bar 1\) |
| D. | \(0.\bar 1\) |
| Answer» E. | |
| 337. |
Find the GCD of 1.08, 0.36 and 0.90. |
| A. | 1.8 |
| B. | 0.03 |
| C. | 0.18 |
| D. | 18 |
| Answer» D. 18 | |
| 338. |
If x – 2 is a factor of polynomial x3 + 4x2 – 3x – 18, then it’s other factors are |
| A. | x + 2, x + 3 |
| B. | x – 3, x + 1 |
| C. | x + 3, x + 3 |
| D. | x + 1, x + 2 |
| Answer» D. x + 1, x + 2 | |
| 339. |
In a division sum, the divisor is 5 times the quotient and twice the remainder. If the remainder is 5, what is the number? |
| A. | 15 |
| B. | 25 |
| C. | 48 |
| D. | 52 |
| Answer» C. 48 | |
| 340. |
If the average of 3-digit numbers 235, 2x5, x35, 63x and 116 is 333, then what is the average of x + 1, x + 3 and x + 8? |
| A. | 9 |
| B. | 8 |
| C. | 10 |
| D. | 12 |
| Answer» C. 10 | |
| 341. |
An internet bill costs Rs. 6 for 2 minutes 30 seconds. What is the cost (in rupees) for 3 minutes 20 seconds? (Round up to one decimal) |
| A. | 8 |
| B. | 7.9 |
| C. | 8.1 |
| D. | 8.2 |
| Answer» B. 7.9 | |
| 342. |
If (x + a) is the H.C.F of 2x2 + 5x – 12 and x2 + x – 12 then find the value of a. |
| A. | -3 |
| B. | -2 |
| C. | 4 |
| D. | 5 |
| Answer» D. 5 | |
| 343. |
If M1 = 25 × 36 × 72 × 55, M2 = 23 × 35 × 74 × 5 and M3 = 27 × 32 × 7 then what is the greatest common denominator of M1, M2, and M3?1. 23 × 34 × 742. 23 × 32 × 723. 23 × 33 × 724. 23 × 32 × 7 |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 344. |
How many positive factors of 48 are there? |
| A. | 8 |
| B. | 12 |
| C. | 10 |
| D. | 20 |
| Answer» D. 20 | |
| 345. |
If 543 × 545 × 546 is divided by 6, then what will be the remainder? |
| A. | 3 |
| B. | 0 |
| C. | 5 |
| D. | 1 |
| Answer» C. 5 | |
| 346. |
HCF of (63, 84, 147) is: |
| A. | 7 |
| B. | 23 |
| C. | 21 |
| D. | 12 |
| Answer» D. 12 | |
| 347. |
Find the HCF of 175, 56 and 70. |
| A. | 35 |
| B. | 5 |
| C. | 7 |
| D. | 70 |
| Answer» D. 70 | |
| 348. |
A two digit number is represented as "IJ". If the value of J2 - I2 is equal to ten times the value of J - I, the two digit number is |
| A. | 46 |
| B. | 84 |
| C. | 48 |
| D. | 52 |
| Answer» B. 84 | |
| 349. |
Ram started at 10.15 A. M. and reached the station after \(3\frac{1}{2}\) Hours. At what time did he reach? |
| A. | 2.00 PM |
| B. | 3.30 PM |
| C. | 1.45 PM |
| D. | 1.45 AM |
| Answer» D. 1.45 AM | |
| 350. |
How many leap years are there from 1850 to 2050? |
| A. | 51 |
| B. | 49 |
| C. | 48 |
| D. | 50 |
| Answer» C. 48 | |