MCQOPTIONS
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MCQOPTIONS
This section includes 391 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics Mcqs knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
A matrix having m rows and n columns with m ? n is said to be a |
| A. | Rectangular matrix |
| B. | Square matrix |
| C. | Identity matrix |
| D. | Scaler matrix |
| Answer» B. Square matrix | |
| 252. |
60th part of one degree is called one |
| A. | Second |
| B. | Radian |
| C. | Degree |
| D. | Minute |
| Answer» B. Radian | |
| 253. |
60th part of one minute is called one |
| A. | Minute |
| B. | Radian |
| C. | Degree |
| D. | Second |
| Answer» B. Radian | |
| 254. |
6?/8? |
| A. | 23743 |
| B. | 65 |
| C. | 56 |
| Answer» B. 65 | |
| 255. |
7th term of an arithmetic sequence whose first term is 2 and common difference of zero is |
| A. | 14 |
| B. | 7 |
| C. | 2 |
| D. | 0 |
| Answer» D. 0 | |
| 256. |
A ? ( A ? B ) = |
| A. | ( A ? B) ? ( A ? C) |
| B. | (A ? B) ? ( A ? C) |
| C. | (A ? B) ? C |
| D. | ( A ? B ) ? (A ? C) |
| Answer» B. (A ? B) ? ( A ? C) | |
| 257. |
A ? ( B ? C ) = |
| A. | ( A ? C) ? ( A ? C) |
| B. | (B ? B) ? ( A ? C) |
| C. | (A ? B) ? C |
| D. | ( A ? B ) ? (A ? C) |
| Answer» B. (B ? B) ? ( A ? C) | |
| 258. |
A ? B = |
| A. | ? |
| B. | B ? A |
| C. | A ? B |
| D. | B ? A |
| Answer» B. B ? A | |
| 259. |
A compound statement of form if p then q is called an |
| A. | Implication |
| B. | Hypothesis |
| C. | Conclusion |
| D. | Unknown |
| Answer» B. Hypothesis | |
| 260. |
A number G is said to be geometric mean between two numbers a and b if a,G,b is |
| A. | A sequence |
| B. | A.P |
| C. | Not a sequence |
| D. | G.P |
| Answer» B. A.P | |
| 261. |
A student has a maximum of 720 words from a combination of letters of a word given. word is |
| A. | England |
| B. | Washington |
| C. | France |
| D. | Beijing |
| Answer» B. Washington | |
| 262. |
A.M between 3?(5) and 5?(5) is |
| A. | ?(5) |
| B. | 2?(5) |
| C. | 3?(5) |
| D. | 4?(5) |
| Answer» B. 2?(5) | |
| 263. |
A.M between 9 and 11 is |
| A. | 10 |
| B. | 9 |
| C. | 5 |
| D. | 0 |
| Answer» B. 9 | |
| 264. |
A relation in which equality is true only for a number of unknowns is called an |
| A. | Identity |
| B. | Equation |
| C. | Algebric equation |
| D. | Algebric relation |
| Answer» B. Equation | |
| 265. |
Cos(?-?) = |
| A. | ?cos? |
| B. | Cos? |
| C. | ?sin? |
| D. | Sin? |
| Answer» B. Cos? | |
| 266. |
Cos6?+cosec3? = |
| A. | 2cos9?/2 cos3?/2 |
| B. | 2sin9?/2 sin3?/2 |
| C. | 2sin9?/2 cos3?/2 |
| D. | None of Above |
| Answer» B. 2sin9?/2 sin3?/2 | |
| 267. |
Cos?-sin?/cos?+sin? |
| A. | Sec2?+tan2? |
| B. | Sec2?-tan2? |
| C. | Csc2?-cot2? |
| D. | Csc2?+cot2? |
| Answer» B. Sec2?-tan2? | |
| 268. |
Cos? + cos? = |
| A. | ?2sin(? + ?/2)sin(?-?/2) |
| B. | 2cos(? + ?/2)sin(?-?/2) |
| C. | 2cos(? + ?/2)cos(?-?/2) |
| D. | None of Above |
| Answer» B. 2cos(? + ?/2)sin(?-?/2) | |
| 269. |
Cos? = |
| A. | 1/csc? |
| B. | 1/sec? |
| C. | 1/cot? |
| D. | 1/sin? |
| Answer» B. 1/sec? | |
| 270. |
Cos?+cos3?/2sin?sin2? = |
| A. | Tan2?tan? |
| B. | Cot2?cot? |
| C. | ?tan2?tan? |
| D. | Sin2?tan? |
| Answer» B. Cot2?cot? | |
| 271. |
Cos?+cos3?+cos5?+cos7?/sin?+sin3?+sin5?+sin7? = |
| A. | Tan4? |
| B. | ?tan4? |
| C. | Cot4? |
| D. | None of Above |
| Answer» B. ?tan4? | |
| 272. |
Cos?+sin?tan? = |
| A. | Sec2? |
| B. | Sec? |
| C. | Csc? |
| Answer» B. Sec? | |
| 273. |
An arrangement of finite numbers of objects taken some or all at a time is called their |
| A. | A.P |
| B. | Combination |
| C. | Sequence |
| D. | Permutation |
| Answer» B. Combination | |
| 274. |
Cot(?+?) = |
| A. | Tan? |
| B. | ?tan? |
| C. | Cot? |
| D. | ?cot? |
| Answer» B. ?tan? | |
| 275. |
Domain of sin(x) is |
| A. | [-1 1] |
| B. | R |
| C. | R-{0} |
| D. | R-{1} |
| Answer» B. R | |
| 276. |
Domain of tan(x) is |
| A. | [-1 1] |
| B. | R |
| C. | R-{x|x = (2n+1)?/2,n?Z} |
| D. | R-{x|x = n?,n?Z} |
| Answer» B. R | |
| 277. |
Equations x = 3cost and y = 3sint represent eqation of |
| A. | Line |
| B. | Circle |
| C. | Parabola |
| D. | Hyperbola |
| Answer» B. Circle | |
| 278. |
For a set A and universal set U, A ? Ac |
| A. | A |
| B. | Ac |
| C. | ? |
| D. | U |
| Answer» B. Ac | |
| 279. |
For all a,b belong R, a ? 0, b ? 0, 1 /a > 1?b this imply |
| A. | A < b |
| B. | A > b |
| C. | A = b |
| D. | 1?a < 1?b |
| Answer» B. A > b | |
| 280. |
For all a,b belong R, a ? 0, b ? 0,a > b this imply |
| A. | A < b |
| B. | A = b |
| C. | 1/ a < 1?b |
| D. | 1?a > 1?b |
| Answer» B. A = b | |
| 281. |
General term of sequence is denoted by |
| A. | Na |
| B. | An |
| C. | Sn |
| D. | N |
| Answer» B. An | |
| 282. |
Geometric mean between a and b is |
| A. | A-b/2 |
| B. | B-a/2 |
| C. | A+b/2 |
| Answer» B. B-a/2 | |
| 283. |
Graph of linear function represents |
| A. | Triangle |
| B. | Circle |
| C. | Straight line |
| D. | Parabola |
| Answer» B. Circle | |
| 284. |
Graph of linear function is |
| A. | Parabola |
| B. | Ellipse |
| C. | Hyperbola |
| D. | Straight line |
| Answer» B. Ellipse | |
| 285. |
If a,b ? A, a * b ? A, then |
| A. | * is a unary operation in A |
| B. | A * b = b * a |
| C. | * is a binary operation in A |
| D. | A * b ? b * a |
| Answer» B. A * b = b * a | |
| 286. |
If A,G,H are arithmetic, geometric means between a and b respectively, then |
| A. | H > G > A |
| B. | H? G > A |
| C. | H? G? A |
| D. | A > G > H |
| Answer» B. H? G > A | |
| 287. |
If a,r and an are first term, common ratio and nth term respectively of G.P then an = |
| A. | Arn |
| B. | Arn+1 |
| C. | Arn-1 |
| D. | 0 |
| Answer» B. Arn+1 | |
| 288. |
If an arc of length l of circle of radius r students an angle ? radian at center, then l = |
| A. | 1/r ? |
| B. | R/? |
| C. | ?/r |
| D. | R? |
| Answer» B. R/? | |
| 289. |
If an+1 + bn+1/an + bn is harmonic mean between a and b, then n = |
| A. | ?1 |
| B. | 1 |
| C. | ?2 |
| D. | 0 |
| Answer» B. 1 | |
| 290. |
If an+2 + bn+2/an+1 + bn+1 is arithmetic mean between a and b, then n = |
| A. | ?1 |
| B. | 1 |
| C. | ?2 |
| D. | 0 |
| Answer» B. 1 | |
| 291. |
If an+2 + bn+2/an+1 + bn+1 is geometric mean between a and b, then n = |
| A. | ?1 |
| B. | 1 |
| C. | ?2 |
| D. | ?0.5 |
| Answer» B. 1 | |
| 292. |
If A and H are arithmetic and harmonic mean between 2 and 3, then A H = |
| A. | 49/20 |
| B. | 49/10 |
| C. | 49/5 |
| Answer» E. | |
| 293. |
If A and H are arithmetic and harmonic mean between 2 and 3, then A + H = |
| A. | 49/20 |
| B. | 49/10 |
| C. | 49/5 |
| D. | 32/4 |
| Answer» B. 49/10 | |
| 294. |
If G = { 1, -1, ?, ? } is group under multiplication, then inverse of ? is |
| A. | 1 |
| B. | ?1 |
| C. | ? |
| D. | None of Above |
| Answer» B. ?1 | |
| 295. |
If G = { 1, -1, ?, ? } is group under multiplication, then inverse of ? is |
| A. | 1 |
| B. | ?1 |
| C. | ? |
| D. | None of Above |
| Answer» B. ?1 | |
| 296. |
If sin? < 0, cos? < 0, then terminal arm of angle lies in quadrant |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 297. |
If sin? < 0, cos? > 0, then terminal arm of angle lies in quadrant |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 298. |
If sin? = ?3/2, then ? is |
| A. | None of Above |
| Answer» B. | |
| 299. |
Letters of CANBERRA taken all at a time can be written in |
| A. | 8 ways |
| B. | 6 ways |
| C. | 24 ways |
| D. | 40320 ways |
| Answer» B. 6 ways | |
| 300. |
Letters of CHORD taken all at a time can be written in |
| A. | 2 ways |
| B. | 6 ways |
| C. | 24 ways |
| D. | 120 ways |
| Answer» B. 6 ways | |