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MCQOPTIONS
This section includes 2154 Mcqs, each offering curated multiple-choice questions to sharpen your 7th Class knowledge and support exam preparation. Choose a topic below to get started.
| 401. |
Consider the following statements: A. The product of an integer and a rational number can never be a natural number. B. The quotient of division of an integer by a rational number can never be an integer. Which of the statements given above is/are correct? |
| A. | A only |
| B. | B only |
| C. | Both A and B |
| D. | Neither A nor B. |
| Answer» E. | |
| 402. |
Which of the following statement is correct for a rational number? (i) It is a fraction that compare two quantities of different type. (ii) It is a fraction that compare two quantities of same type. (iii) It is a fraction that compare two quantities either of same type or different type. |
| A. | (ii) only |
| B. | (iii) and (ii) |
| C. | (i) only |
| D. | None of above |
| Answer» B. (iii) and (ii) | |
| 403. |
If a, a + 2 and a + 4 are prime numbers, then the number of possible solutions for a is |
| A. | one |
| B. | two |
| C. | three |
| D. | none of these |
| Answer» B. two | |
| 404. |
Decimal form of\[\frac{21}{4}\]is |
| A. | 5.0 |
| B. | 5.24 |
| C. | 52 |
| D. | 5.25 |
| Answer» E. | |
| 405. |
Which of the following statement(s) is/are true for a decimal numbers? (i) value of number increases when decimal moves from right to left. (ii) 0.30 is less than 0.3000. (iii) \[1\div 20\] can be written as 0.05. |
| A. | (iii) only |
| B. | (i) and (iii) |
| C. | (ii) only |
| D. | (i), (ii) and (iii) |
| Answer» B. (i) and (iii) | |
| 406. |
Which of the following is true about rational numbers? (i) Every natural number is a rational number and vice-versa (ii) Zero is a rational number and it is neither negative nor positive. (iii) Every negative rational number is less than 0. |
| A. | (ii) and (iii) |
| B. | (i) and (ii) |
| C. | (i), (ii) and (iii) |
| D. | None of these |
| Answer» C. (i), (ii) and (iii) | |
| 407. |
Which of the following statements is/are correct? (i) A rational number is said to be positive if its numerator and denominator are either both positive integers and both negative integers. (ii) In the number line for integers, every number on the right is greater than all the number on its left and vice-versa. (iii) Associative property holds both in addition and in subtraction. |
| A. | (i) only |
| B. | Either (i) and (iii) or (ii) |
| C. | (i), (ii) and (iii) |
| D. | (i) and (ii) |
| Answer» B. Either (i) and (iii) or (ii) | |
| 408. |
Which of the following is/are true about rational numbers? (i) Every natural number is a rational number and vice-versa. (ii) Every negative rational number is less than zero. (iii) 0 is a rational number and it is neither negative nor positive. |
| A. | (i), (ii) and (iii) |
| B. | (ii) and (iii) |
| C. | (i) and (ii) |
| D. | None |
| Answer» C. (i) and (ii) | |
| 409. |
Which of the following statements is/are correct about integers? (i) For every integer \[a,\] we have \[a\div 1=a.\] (ii) For all non-zero integers \[a\] and \[b,\] \[a\times b\] is always greater than either \[a\] or \[b.\] (iii) The greater the integer, the lesser is its negative |
| A. | (i) and (ii) |
| B. | (i), (ii) and (iii) |
| C. | (ii) and (iii) |
| D. | (i) and (iii) |
| Answer» C. (ii) and (iii) | |
| 410. |
A factor of polynomial\[P(x)={{x}^{2}}-x-6\]is: |
| A. | \[x-3\] |
| B. | \[x+3\] |
| C. | \[x-1\] |
| D. | \[x+1\] |
| Answer» B. \[x+3\] | |
| 411. |
The least perfect square exactly divisible by each of the numbers 6,9,15 and 20 is |
| A. | 3600 |
| B. | 900 |
| C. | 400 |
| D. | 225 |
| Answer» C. 400 | |
| 412. |
Gopal has a bag that contains 3 red, 1 blue, 6 green and 2 yellow marbles. What fractional part of the bag of marbles is red? |
| A. | \[\frac{1}{12}\] |
| B. | \[\frac{2}{12}\] |
| C. | \[\frac{3}{12}\] |
| D. | \[\frac{6}{12}\] |
| Answer» D. \[\frac{6}{12}\] | |
| 413. |
\[\frac{4}{5}\] of 5 kg apples were used on Monday. The next day \[\frac{1}{3}\] of what was left was used. Weight (in kg) of apples left now is |
| A. | \[\frac{2}{7}\] |
| B. | \[\frac{1}{14}\] |
| C. | \[\frac{2}{3}\] |
| D. | \[\frac{4}{21}\] |
| Answer» D. \[\frac{4}{21}\] | |
| 414. |
\[18+30=30+18\] is an example of |
| A. | closure property |
| B. | distributive property |
| C. | associative property |
| D. | commutative property |
| Answer» E. | |
| 415. |
The largest among the numbers\[{{2}^{250}},{{3}^{150}},{{5}^{100}}\] and 4200 is |
| A. | 4200 |
| B. | 5100 |
| C. | 2250 |
| D. | 2150 |
| Answer» B. 5100 | |
| 416. |
\[2\frac{2}{3}\div 5\]is equal to |
| A. | \[\frac{8}{15}\] |
| B. | \[\frac{40}{3}\] |
| C. | \[\frac{40}{5}\] |
| D. | \[\frac{8}{3}\] |
| Answer» B. \[\frac{40}{3}\] | |
| 417. |
If \[{{2}^{x-1}}+{{2}^{x+1}}=\mathbf{640,}\] the value of x is |
| A. | 7 |
| B. | 8 |
| C. | 9 |
| D. | 6 |
| Answer» C. 9 | |
| 418. |
The product of \[7\] and \[6\frac{3}{4}\] is |
| A. | \[42\frac{1}{4}\] |
| B. | \[47\frac{1}{4}\] |
| C. | \[42\frac{3}{4}\] |
| D. | \[47\frac{3}{4}\] |
| Answer» C. \[42\frac{3}{4}\] | |
| 419. |
\[\frac{{{4}^{-3}}\times {{a}^{-5}}\times {{b}^{-4}}}{{{4}^{-5}}\times {{a}^{-8}}\times {{b}^{3}}}\]= |
| A. | \[16\frac{{{a}^{3}}}{{{b}^{7}}}\] |
| B. | \[8\frac{{{a}^{2}}}{{{b}^{-7}}}\] |
| C. | \[2\frac{{{a}^{-13}}}{{{b}^{-7}}}\] |
| D. | \[\frac{{{a}^{8}}}{{{b}^{-1}}}\] |
| Answer» B. \[8\frac{{{a}^{2}}}{{{b}^{-7}}}\] | |
| 420. |
The rational number lying between\[\frac{5}{6}\]and\[\frac{6}{7}\]is |
| A. | \[\frac{1}{2}\] |
| B. | \[\frac{15}{21}\] |
| C. | \[\frac{35}{42}\] |
| D. | \[\frac{71}{84}\] |
| Answer» E. | |
| 421. |
Which of the sign \[>, |
| A. | \[<,<,>,>,<\] |
| B. | \[=,<,>,>,<\] |
| C. | \[<,>,>,<,<\] |
| D. | \[>,>,<,<,>\] |
| Answer» D. \[>,>,<,<,>\] | |
| 422. |
Arrange the following in descending order. \[\frac{-13}{20},\frac{6}{15},\frac{7}{12},\frac{-9}{10},\frac{3}{5}\,\,.\] |
| A. | \[\frac{7}{12},\frac{6}{15},\frac{-13}{20},\frac{3}{5},\frac{-9}{10}\] |
| B. | \[\frac{-9}{10},\frac{-13}{20},\frac{6}{15},\frac{7}{12},\frac{3}{5}\] |
| C. | \[\frac{3}{5},\frac{7}{12},\frac{6}{15},\frac{-13}{20},\frac{-9}{10}\] |
| D. | \[\frac{3}{5},\frac{7}{12},\frac{6}{15},\frac{-13}{20},\frac{-9}{10}\] |
| Answer» D. \[\frac{3}{5},\frac{7}{12},\frac{6}{15},\frac{-13}{20},\frac{-9}{10}\] | |
| 423. |
If m = \[\sqrt{3+\sqrt{3+\sqrt{3+......}}}\] up to \[\infty \] n=\[\sqrt{3-\sqrt{3-\sqrt{3-......}}}\] up to \[\infty \] Then among the following the relation between m and n holds is |
| A. | \[m-n+1=0\] |
| B. | \[m+n-1=0\] |
| C. | \[m+n+1=0\] |
| D. | \[m-n-1=0\] |
| Answer» E. | |
| 424. |
The value of \[\sqrt{4\sqrt[3]{16\sqrt{4\sqrt[3]{16\sqrt{4\sqrt[3]{16}}}}}}\] up to \[\infty \] is |
| A. | 2 |
| B. | 22 |
| C. | 23 |
| D. | 25 |
| Answer» C. 23 | |
| 425. |
Find the absolute value of \[\left| 7 \right|,\left| -\frac{3}{7} \right|,\left| -\frac{6}{5} \right|\,\,\text{and}\,\,\left| \frac{4}{11} \right|\] |
| A. | \[7,\frac{3}{7},\frac{-6}{5},\frac{4}{11}\] |
| B. | \[-7,+\frac{3}{7},\frac{6}{5},\frac{-4}{11}\] |
| C. | \[7,\frac{3}{7},\frac{6}{5},\frac{4}{11}\] |
| D. | \[-7,\frac{-3}{7},\frac{-\,6}{5},\frac{-\,4}{11}\] |
| Answer» D. \[-7,\frac{-3}{7},\frac{-\,6}{5},\frac{-\,4}{11}\] | |
| 426. |
The value of\[\frac{1}{\sqrt{6.25}+\sqrt{5.25}}+\frac{1}{\sqrt{4.25}+\sqrt{3.25}}\]\[+\frac{1}{\sqrt{5.25}+\sqrt{4.25}}+\frac{1}{\sqrt{3.25}+\sqrt{2.25}}\]is |
| A. | 1.00 |
| B. | 1.25 |
| C. | 1.50 |
| D. | 2.25 |
| Answer» B. 1.25 | |
| 427. |
\[\frac{2}{3}\div \left( -\frac{2}{3} \right)\] |
| A. | \[-1\] |
| B. | \[\frac{4}{3}\] |
| C. | \[-\frac{4}{3}\] |
| D. | \[1\] |
| Answer» B. \[\frac{4}{3}\] | |
| 428. |
A number of the form p/q is said to be a rational number if |
| A. | p and q are integers |
| B. | p and q are integers and \[q\ne 0\] |
| C. | p and q are integers and \[p\ne 0\] |
| D. | p and q are integers and \[p\ne 0\] also \[p\ne 0\] |
| Answer» C. p and q are integers and \[p\ne 0\] | |
| 429. |
Compare \[\frac{2}{5}\] and \[\frac{1}{2}\] |
| A. | \[\frac{2}{5}<\frac{3}{4}\] |
| B. | \[\frac{2}{5}>\frac{3}{4}\] |
| C. | \[\frac{2}{5}=\frac{3}{4}\] |
| D. | \[\frac{2}{5}\le \frac{3}{4}\] |
| Answer» B. \[\frac{2}{5}>\frac{3}{4}\] | |
| 430. |
Which of these integers is closest to zero on the number line? |
| A. | \[-15\] |
| B. | \[-3\] |
| C. | \[2\] |
| D. | \[-1\] |
| Answer» E. | |
| 431. |
What number is equal to\[\left( \frac{0.02}{0.002}+\frac{0.02}{2} \right)\]? |
| A. | 10.001 |
| B. | 0.1001 |
| C. | 10.01 |
| D. | 10.001 |
| Answer» D. 10.001 | |
| 432. |
The product of two decimals is 33.655. If one of them is 1.27, other number is |
| A. | 27.5 |
| B. | 26.5 |
| C. | 27.25 |
| D. | 25.75 |
| Answer» C. 27.25 | |
| 433. |
The value of expression \[\left( 3.7+0.8 \right)\div 0.5\]is |
| A. | 8 |
| B. | 10 |
| C. | 9 |
| D. | 8.5 |
| Answer» D. 8.5 | |
| 434. |
The area of a rectangular room is \[45\frac{1}{4}\]m2. If breadth is \[9\frac{3}{7}\]m, then its length is |
| A. | \[\frac{255}{264}m\] |
| B. | \[\frac{1215}{28}m\] |
| C. | \[\frac{255}{28}m\] |
| D. | \[\frac{1267}{264}m\] |
| Answer» E. | |
| 435. |
If 8 peoples equally share a bill of Rs. 108.80, how much should each pay? |
| A. | Rs. 14.40 |
| B. | Rs. 13.60 |
| C. | Rs. 12.80 |
| D. | Rs. 13.80 |
| Answer» C. Rs. 12.80 | |
| 436. |
The additive identity of the given number \[\frac{576}{890}\]is |
| A. | 1 |
| B. | \[\frac{576}{890}\] |
| C. | \[\frac{890}{576}\] |
| D. | 0 |
| Answer» E. | |
| 437. |
For three rational numbers \[a,\,\,b,\,\,c\] we have \[a>b\] and \[b |
| A. | \[a>c\] |
| B. | b is the smallest rational number |
| C. | \[a<c\] |
| D. | both (a) and (b) are correct |
| Answer» C. \[a<c\] | |
| 438. |
The multiplicative inverse of \[\frac{97}{89}\] is |
| A. | \[\frac{97}{89}\] |
| B. | \[\frac{89}{97}\] |
| C. | \[\frac{1}{97}\] |
| D. | \[\frac{1}{89}\] |
| Answer» C. \[\frac{1}{97}\] | |
| 439. |
Which one of the following is a natural number? |
| A. | \[\frac{14}{56}\] |
| B. | \[\frac{19}{57}\] |
| C. | \[\frac{91}{13}\] |
| D. | \[\frac{45}{135}\] |
| Answer» D. \[\frac{45}{135}\] | |
| 440. |
A book consists of 310 pages. If Rahul read \[\frac{2}{5}\] of the book. It means he read. |
| A. | 126 pages |
| B. | 122 pages |
| C. | 128 pages |
| D. | 124 pages |
| Answer» E. | |
| 441. |
The largest rational number among the following rational numbers is: |
| A. | \[\frac{44}{34}\] |
| B. | \[\frac{55}{85}\] |
| C. | \[\frac{76}{68}\] |
| D. | \[\frac{98}{102}\] |
| Answer» B. \[\frac{55}{85}\] | |
| 442. |
2.05 kg into grams can be expressed as |
| A. | 20500 grams |
| B. | 205 grams |
| C. | 2050 grams |
| D. | 2005 grams |
| Answer» D. 2005 grams | |
| 443. |
The multiplicative inverse of \[-\frac{1}{8}\]is |
| A. | \[-1\] |
| B. | \[8\] |
| C. | \[-8\] |
| D. | \[1\] |
| Answer» D. \[1\] | |
| 444. |
\[0.333\times 10000=\_\_\_\_\_\_\_\] |
| A. | 33300 |
| B. | 0.0333 |
| C. | 33.30 |
| D. | 3330 |
| Answer» E. | |
| 445. |
92 is excess over 81.235 by |
| A. | 10.675 |
| B. | 9585 |
| C. | 10.765 |
| D. | 11.625 |
| Answer» D. 11.625 | |
| 446. |
The real numbers are either rational or irrational. The irrational numbers are the numbers which are non-terminating and non-repeating. Identify the numbers given below as non-terminating and non-repeating. |
| A. | \[\frac{1}{\sqrt{3}}\] |
| B. | \[\frac{4}{5}\] |
| C. | \[\frac{5}{2}\] |
| D. | \[\frac{\sqrt{36}}{3}\] |
| Answer» B. \[\frac{4}{5}\] | |
| 447. |
\[\frac{6}{7}\]can be expressed as a decimal. |
| A. | 0.80 |
| B. | 0.85 |
| C. | 0.84 |
| D. | 0.86 |
| Answer» C. 0.84 | |
| 448. |
Which one of the following rational number lies between\[\frac{20}{30}\]and\[\frac{40}{50}\]? |
| A. | \[\frac{11}{15}\] |
| B. | \[\frac{3}{5}\] |
| C. | \[\frac{41}{30}\] |
| D. | \[\frac{14}{15}\] |
| Answer» B. \[\frac{3}{5}\] | |
| 449. |
What number should be subtracted from 1 to get\[0.01\]? |
| A. | 0.9 |
| B. | 0.909 |
| C. | 0.009 |
| D. | 0.99 |
| Answer» E. | |
| 450. |
The rational number lying between 85 and 90 is |
| A. | \[\frac{355}{4}\] |
| B. | \[\frac{355}{2}\] |
| C. | \[\frac{355}{3}\] |
| D. | \[\frac{355}{5}\] |
| Answer» B. \[\frac{355}{2}\] | |