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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.
| 1301. |
$$\left( {999\frac{{999}}{{1000}} \times 7} \right)$$is equal to - |
| A. | ${\text{6993}}\frac{7}{{1000}}$$ |
| B. | ${\text{7000}}\frac{7}{{1000}}$$ |
| C. | ${\text{6633}}\frac{7}{{1000}}$$ |
| D. | ${\text{6999}}\frac{{993}}{{1000}}$$ |
| Answer» E. | |
| 1302. |
Which of the following fraction is greater than $$\frac{3}{4}$$ but less than $$\frac{5}{6}$$ ? |
| A. | $\frac{2}{3}$$ |
| B. | $\frac{1}{2}$$ |
| C. | $\frac{4}{5}$$ |
| D. | $\frac{9}{10}$$ |
| Answer» D. $\frac{9}{10}$$ | |
| 1303. |
12345679 × 72is equal to - |
| A. | 8888888 |
| B. | 99999998 |
| C. | 88888888 |
| D. | 98989898 |
| Answer» D. 98989898 | |
| 1304. |
If p = - 0.12, q = - 0.01 and r = - 0.015, then the correct relationship among the three is : |
| A. | < r < q |
| B. | > r > q |
| C. | < q < r |
| D. | > p > r |
| Answer» B. > r > q | |
| 1305. |
Sum of three consecutive integers is 51. The middle one is - |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» E. | |
| 1306. |
Among the following statements, the statement which is 'not correct' is : |
| A. | very natural number is a real number |
| B. | very real number is a rational number |
| C. | very integer is a rational number |
| D. | very natural number is an integer |
| Answer» C. very integer is a rational number | |
| 1307. |
The real number to be added to 13851 to get a number which is divisible by 87 is : |
| A. | 8 |
| B. | 3 |
| C. | 4 |
| D. | 9 |
| Answer» E. | |
| 1308. |
The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is : |
| A. | 1 |
| B. | 1 |
| C. | 2 |
| D. | 4 |
| Answer» D. 4 | |
| 1309. |
The sum of the squares of 3 consecutive positive numbers is 365. The sum of the numbers is - |
| A. | 0 |
| B. | 3 |
| C. | 6 |
| D. | 5 |
| Answer» C. 6 | |
| 1310. |
If the difference between the reciprocal of a positive proper fraction and fraction itself be $$\frac{{17}}{{72}}$$, then the fraction is - |
| A. | $\frac{9}{8}$$ |
| B. | $\frac{8}{9}$$ |
| C. | $\frac{5}{8}$$ |
| D. | $\frac{7}{9}$$ |
| Answer» C. $\frac{5}{8}$$ | |
| 1311. |
A six digit number is formed by repeating a three digit number :For example, 256, 256 or 678, 678 etc. Any number of this form is always exactly divisible by - |
| A. | only |
| B. | 1 only |
| C. | 3 only |
| D. | 001 only |
| Answer» E. | |
| 1312. |
Find the square root of$$\frac{{\left( {0.064 - 0.008} \right)\left( {0.16 - 0.04} \right)}}{{\left( {0.016 + 0.08 + 0.04} \right){{\left( {0.4 + 0.2} \right)}^3}}}$$ |
| A. | $\frac{2}{3}$$ |
| B. | $\frac{1}{3}$$ |
| C. | |
| Answer» C. | |
| 1313. |
A and B have together three times what B and C have, while A, B, C together have thirty rupees more than that of A. If B has 5 times that of C, then A has : |
| A. | s. 60 |
| B. | s. 65 |
| C. | s. 75 |
| D. | s. 45 |
| Answer» C. s. 75 | |
| 1314. |
The simplified value of $$\left( {1 - \frac{1}{3}} \right)$$$$\left( {1 - \frac{1}{4}} \right)$$$$\left( {1 - \frac{1}{5}} \right)$$ . . . . .$$\left( {1 - \frac{1}{99}} \right)$$$$\left( {1 - \frac{1}{100}} \right)$$ |
| A. | $\frac{2}{{99}}$$ |
| B. | $\frac{1}{{25}}$$ |
| C. | $\frac{1}{{50}}$$ |
| D. | $\frac{1}{{100}}$$ |
| Answer» D. $\frac{1}{{100}}$$ | |
| 1315. |
By how much does $$\frac{6}{{\frac{7}{8}}}$$exceed $$\frac{{\frac{6}{7}}}{8}$$? |
| A. | $6\frac{1}{8}$$ |
| B. | $6\frac{3}{4}$$ |
| C. | $7\frac{3}{4}$$ |
| D. | $7\frac{5}{6}$$ |
| Answer» C. $7\frac{3}{4}$$ | |
| 1316. |
The number 0.121212 . . . . . in the form $$\frac{p}{q}$$ is equal to - |
| A. | $\frac{4}{11}$$ |
| B. | $\frac{2}{11}$$ |
| C. | $\frac{4}{33}$$ |
| D. | $\frac{2}{33}$$ |
| Answer» D. $\frac{2}{33}$$ | |
| 1317. |
0.1 and$$\frac{5}{8}$$ of a bamboo are in mud and water respectively and the rest length 2.75 m is above water. What is the length of the bamboo ? |
| A. | 0 m |
| B. | 0 m |
| C. | 7.5 m |
| D. | 0 m |
| Answer» B. 0 m | |
| 1318. |
$$\frac{1}{{10}}$$ of a rod is coloured red, $$\frac{1}{{20}}$$orange, $$\frac{1}{{30}}$$ yellow, $$\frac{1}{{40}}$$ green, $$\frac{1}{{50}}$$ blue, $$\frac{1}{{60}}$$ black and the rest is violet. If the length of the violet part of the rod is 12.08 mtr, then the length of the rod is - |
| A. | 6 m |
| B. | 8 m |
| C. | 0 m |
| D. | 0 m |
| Answer» B. 8 m | |
| 1319. |
A runner runs $$1\frac{1}{4}$$laps of a 5 laps race. What laps of the race remains to be run ? |
| A. | $\frac{15}{4}$$ |
| B. | $\frac{4}{5}$$ |
| C. | $\frac{5}{6}$$ |
| D. | $\frac{2}{3}$$ |
| Answer» B. $\frac{4}{5}$$ | |
| 1320. |
The divisor is 25 times of the quotient and 5 times the remainder. If the quotient is 16, the dividend is- |
| A. | 400 |
| B. | 480 |
| C. | 00 |
| D. | 80 |
| Answer» C. 00 | |
| 1321. |
The smallest possible three placed decimal is- |
| A. | 0.012 |
| B. | 0.123 |
| C. | 0.111 |
| D. | one of these |
| Answer» E. | |
| 1322. |
When simplified the product : $$\left( {2 - \frac{1}{3}} \right)$$ $$\left( {2 - \frac{3}{5}} \right)$$ $$\left( {2 - \frac{5}{7}} \right)$$.....$$\left( {2 - \frac{{997}}{{999}}} \right)$$ |
| A. | $\frac{1001}{3}$$ |
| B. | $\frac{5}{3}$$ |
| C. | $\frac{5}{999}$$ |
| D. | $\frac{1001}{999}$$ |
| Answer» B. $\frac{5}{3}$$ | |
| 1323. |
The simplified value of $$\frac{{\left( {0.0539 - 0.002} \right) \times 0.4 + 0.56 \times 0.07}}{{0.04 \times 0.25}}$$ |
| A. | 99.6 |
| B. | 0.5996 |
| C. | 0.996 |
| D. | 9.96 |
| Answer» D. 9.96 | |
| 1324. |
Which is the largest among the numbers : $$\root 3 \of 7 ,\root 4 \of {13} ,\sqrt 5 $$ |
| A. | $\sqrt 5 $$ |
| B. | $\root 3 \of 7 $$ |
| C. | $\root 4 \of {13} $$ |
| D. | ll are equal |
| Answer» B. $\root 3 \of 7 $$ | |
| 1325. |
The reciprocals of the squares of the number $$1\frac{1}{2}$$ and $$1\frac{1}{3}$$ are in the ratio : |
| A. | 4 : 81 |
| B. | : 9 |
| C. | 1 : 64 |
| D. | : 8 |
| Answer» B. : 9 | |
| 1326. |
The sum of two numbers is 75 and their difference is 25. The product of the two numbers is : |
| A. | 350 |
| B. | 250 |
| C. | 25 |
| D. | 000 |
| Answer» C. 25 | |
| 1327. |
The decimal fraction $$2.3\overline {49} $$is equal to : |
| A. | $\frac{{2326}}{{999}}$$ |
| B. | $\frac{{2326}}{{990}}$$ |
| C. | $\frac{{2347}}{{999}}$$ |
| D. | $\frac{{2347}}{{990}}$$ |
| Answer» C. $\frac{{2347}}{{999}}$$ | |
| 1328. |
While solving a problem, by mistake, Anita squared a number and then subtracted 25 from it rather than first subtracting 25 from the number and then squaring it. But she got the right answer. What was the given number ? |
| A. | 8 |
| B. | annot be determined |
| C. | 3 |
| D. | 8 |
| Answer» D. 8 | |
| 1329. |
Which of the following is a perfect square ? |
| A. | 497497 |
| B. | 587632 |
| C. | 046529 |
| D. | 034758 |
| Answer» D. 034758 | |
| 1330. |
A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is - |
| A. | 20030 |
| B. | 2030 |
| C. | 220 |
| D. | 250 |
| Answer» B. 2030 | |
| 1331. |
Sum of two numbers is thrice their difference. Their ratio is : |
| A. | : 2 |
| B. | : 1 |
| C. | : 1 |
| D. | : 3 |
| Answer» C. : 1 | |
| 1332. |
If the product of two positive numbers be 1575 and their ration is 7 : 9, then the greatest number is : |
| A. | 5 |
| B. | 35 |
| C. | 5 |
| D. | 3 |
| Answer» B. 35 | |
| 1333. |
The sum of three numbers is 2, the 1st number is $$\frac{1}{2}$$ times the 2nd and the 3rd number is $$\frac{1}{4}$$ times the 2nd number. The 2nd number is : |
| A. | $\frac{7}{6}$$ |
| B. | $\frac{8}{7}$$ |
| C. | $\frac{9}{8}$$ |
| D. | $\frac{10}{9}$$ |
| Answer» C. $\frac{9}{8}$$ | |
| 1334. |
If the digit in the unit and the ten's places of a two digit number are interchanged, a new number is formed, which is grater then the original number by 63. Suppose the digit in the unit place of the original number the x. Then all the possible value of x are - |
| A. | , 8, 9 |
| B. | , 7, 9 |
| C. | , 1, 2 |
| D. | , 2, 8 |
| Answer» B. , 7, 9 | |
| 1335. |
Of the three numbers, the sum of the first two is 55, sum of the second and third is 65, and sum of third with thrice of the first is 110. The third number is - |
| A. | 5 |
| B. | 0 |
| C. | 5 |
| D. | 8 |
| Answer» D. 8 | |
| 1336. |
$$1.\overline {27} $$in the form $$\frac{{\text{p}}}{{\text{q}}}$$ is equal to : |
| A. | $\frac{127}{100}$$ |
| B. | $\frac{73}{100}$$ |
| C. | $\frac{14}{11}$$ |
| D. | $\frac{11}{14}$$ |
| Answer» D. $\frac{11}{14}$$ | |
| 1337. |
The sum of four consecutive even numbers is 748, The smallest among them is - |
| A. | 88 |
| B. | 86 |
| C. | 84 |
| D. | 74 |
| Answer» D. 74 | |
| 1338. |
$$999\frac{{98}}{{99}} \times 99$$is equal to : |
| A. | 8999 |
| B. | 9899 |
| C. | 9989 |
| D. | 9998 |
| Answer» B. 9899 | |
| 1339. |
The difference between the greatest and the least four digit numbers that begins with 3 and ends with 5 is : |
| A. | 00 |
| B. | 99 |
| C. | 09 |
| D. | 90 |
| Answer» E. | |
| 1340. |
If 13 + 23 + .....+ 103 = 3025, then the value of 23 + 43 +.....+ 203 is : |
| A. | 590 |
| B. | 060 |
| C. | 4200 |
| D. | 2100 |
| Answer» D. 2100 | |
| 1341. |
Arrangement of the fractionsinto ascending order : $$\frac{4}{3},$$ $$ - \frac{2}{9},$$ $$ - \frac{7}{8},$$ $$\frac{5}{{12}}$$ |
| A. | $ - \frac{2}{9}, - \frac{7}{8},\frac{4}{3},\frac{5}{{12}}$$ |
| B. | $ - \frac{7}{8}, - \frac{2}{9},\frac{5}{{12}}\frac{4}{3}$$ |
| C. | $ - \frac{7}{8}, - \frac{2}{9},\frac{4}{3},\frac{5}{{12}}$$ |
| D. | $ - \frac{2}{9}, - \frac{7}{8},\frac{5}{{12}}\frac{4}{3}$$ |
| Answer» C. $ - \frac{7}{8}, - \frac{2}{9},\frac{4}{3},\frac{5}{{12}}$$ | |
| 1342. |
A number exceeds its two fifth by 75. The number is : |
| A. | 25 |
| B. | 00 |
| C. | 12 |
| D. | 50 |
| Answer» B. 00 | |
| 1343. |
The greatest four digit number which is exactly divisible by each one of the numbers 12, 18, 21 and 28 : |
| A. | 828 |
| B. | 882 |
| C. | 928 |
| D. | 288 |
| Answer» B. 882 | |
| 1344. |
$$\frac{2}{3}$$ of three-fourth of a number is : |
| A. | $\frac{1}{2}$$ of the number |
| B. | $\frac{1}{3}$$ of the number |
| C. | $\frac{8}{9}$$ of the number |
| D. | $\frac{11}{12}$$ of the number |
| Answer» B. $\frac{1}{3}$$ of the number | |
| 1345. |
If sum of the two number is 80 and ratio is 3 : 5, then find numbers : |
| A. | 0, 30 |
| B. | 0, 20 |
| C. | 0, 60 |
| D. | 0, 50 |
| Answer» E. | |
| 1346. |
When an integerK is divided by 3 the remainder is 1, and when K+1 is divided by 5, The remainder is '0'. Of the following the possible value of K is- |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» D. 5 | |
| 1347. |
The product of two numbers is 0.008. One of the number is $$\frac{1}{5}$$of the other. The smaller number is - |
| A. | 0.2 |
| B. | 0.4 |
| C. | 0.02 |
| D. | 0.04 |
| Answer» E. | |
| 1348. |
$$\frac{1}{5}$$of a number exceeds $$\frac{1}{7}$$of the same number by 10. The number is - |
| A. | 5 |
| B. | 50 |
| C. | 75 |
| D. | 00 |
| Answer» D. 00 | |
| 1349. |
Which of the following fraction is the smallest ?$$\frac{7}{6},\,\frac{7}{9},\,\frac{4}{5},\,\frac{5}{7}$$ |
| A. | $\frac{7}{6}$$ |
| B. | $\frac{7}{9}$$ |
| C. | $\frac{4}{5}$$ |
| D. | $\frac{5}{7}$$ |
| Answer» E. | |
| 1350. |
If a and b are two distinct natural numbers, which one of the following is true ? |
| A. | $\sqrt {a + b}> \sqrt a+ \sqrt b $$ |
| B. | $\sqrt {a + b}= \sqrt a+ \sqrt b $$ |
| C. | $\sqrt {a + b}< \sqrt a+ \sqrt b $$ |
| D. | $ab = 1$$ |
| Answer» D. $ab = 1$$ | |