MCQ 11 Mark
If $3 \frac{3}{4}$ m of cloth is required for one suit, then how many suits can be prepared from 30 m of cloth?
- A4
- B5
- ✓8
- D9
Answer
View full question & answer→Correct option: C.
8
C
Questions
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19 questions · timed · auto-graded
MCQ 21 Mark
Which of the following rational numbers is equivalent to $\frac{-2}{7} ?$
- A$\frac{-14}{21}$
- B$\frac{-8}{14}$
- ✓$\frac{-14}{49}$
- D$\frac{-6}{28}$
Answer
View full question & answer→Correct option: C.
$\frac{-14}{49}$
C
MCQ 31 Mark
The product of $-\frac{1}{3}$ and its additive inverse is
- A$0$
- B-3
- ✓$-\frac{1}{9}$
- D$-3 \frac{1}{3}$
Answer
View full question & answer→Correct option: C.
$-\frac{1}{9}$
C
MCQ 41 Mark
The sum of $-\frac{1}{3}$ and its multiplicative inverse is
- A$0$
- B-3
- C$-1 \frac{2}{3}$
- ✓$-3 \frac{1}{3}$
Answer
View full question & answer→Correct option: D.
$-3 \frac{1}{3}$
D
MCQ 51 Mark
The multiplicative inverse of $\frac{-3}{7}$ is :
- ✓$\frac{-7}{3}$
- B$\frac{3}{7}$
- C$\frac{4}{7}$
- D$\frac{7}{3}$
Answer
View full question & answer→Correct option: A.
$\frac{-7}{3}$
A
MCQ 61 Mark
What should be added to $\frac{-3}{16}$ to get $\frac{5}{8} ?$
- A$\frac{2}{8}$
- B$-\frac{1}{2}$
- C$\frac{3}{8}$
- ✓$\frac{13}{16}$
Answer
View full question & answer→Correct option: D.
$\frac{13}{16}$
D
MCQ 71 Mark
The rational number $\frac{32}{-40}$ expressed in standard form is
- A$\frac{8}{-10}$
- B$\frac{4}{-5}$
- C$\frac{-32}{40}$
- ✓$\frac{-4}{5}$
Answer
View full question & answer→Correct option: D.
$\frac{-4}{5}$
D
MCQ 81 Mark
The additive inverse of $\frac{5}{9}$ is
- A$\frac{9}{5}$
- ✓$-\frac{5}{9}$
- C$\frac{-5}{-9}$
- D$-\frac{9}{5}$
Answer
View full question & answer→Correct option: B.
$-\frac{5}{9}$
B
MCQ 91 Mark
In which of the following options does point P represent $-\frac{1}{2}$ on the number line?
- ✓
- B
- C
- D
Answer
View full question & answer→Correct option: A.
A
MCQ 101 Mark
For any two rational numbers x and y which of the following is/are correct, if x is positive and y is negative?
(i) x < y (ii) x = y (iii) x > y
(i) x < y (ii) x = y (iii) x > y
- ABoth (i) and (ii)
- BBoth (ii) and (iii)
- ✓Only (iii)
- D(i), (ii) and (iii)
Answer
View full question & answer→Correct option: C.
Only (iii)
C
MCQ 111 Mark
The value of b for which the two rational numbers, $\frac{2}{9}, \frac{1}{b}$ are equivalent, is:
- A$-\frac{9}{2}$
- B-1
- C1
- ✓$\frac{9}{2}$
Answer
View full question & answer→Correct option: D.
$\frac{9}{2}$
D
MCQ 121 Mark
By which number should $\left(\frac{9}{5}-\frac{5}{2}\right)$ be divided to get $\frac{7}{10} ?$
- A$0$
- ✓-1
- C2
- D1
Answer
View full question & answer→Correct option: B.
-1
B
Question 131 Mark
State 'T" for true and 'F' for false.
(i) Every rational number can be expressed with a positive numerator.
(ii) Rational numbers - $\frac{-11}{5}, \frac{1}{6}, \frac{3}{10}, \frac{6}{10}$ are arranged in ascending order.
(iii) $\left(\frac{8}{5} \times \frac{-3}{2}\right)+\left(\frac{3}{10} \times \frac{11}{8}\right)$ can be expressed as $\left(-1 \frac{79}{80}\right)$.
(iv)$\frac{15}{10}$ and $\frac{12}{8}$ are equivalent rational numbers.
(i) Every rational number can be expressed with a positive numerator.
(ii) Rational numbers - $\frac{-11}{5}, \frac{1}{6}, \frac{3}{10}, \frac{6}{10}$ are arranged in ascending order.
(iii) $\left(\frac{8}{5} \times \frac{-3}{2}\right)+\left(\frac{3}{10} \times \frac{11}{8}\right)$ can be expressed as $\left(-1 \frac{79}{80}\right)$.
(iv)$\frac{15}{10}$ and $\frac{12}{8}$ are equivalent rational numbers.
Answer
View full question & answer→C
MCQ 141 Mark
In an examination, a student was asked to find $\frac{5}{17}$ of a certain number. By mistake he found $\frac{17}{5}$
- A$\frac{7}{5}$
- ✓$\frac{5}{7}$
- C$\frac{3}{7}$
- D$\frac{7}{3}$
Answer
View full question & answer→Correct option: B.
$\frac{5}{7}$
B
MCQ 151 Mark
$\frac{3}{20}$ of a delegation are from India, $\frac{1}{4}$ are from Britain, $\frac{3}{10}$ are from Germany and the rest are Americans. If there are 1200 members in the delegation, then how many Americans are there?
- A460
- B400
- ✓360
- D300
Answer
View full question & answer→Correct option: C.
360
C
MCQ 161 Mark
$\frac{\left(-18 \frac{1}{3} \times 2 \frac{8}{11}\right)-\left(4 \frac{5}{7} \times 2 \frac{1}{3}\right)}{\left|\frac{3}{5}+\left(\frac{-9}{10}\right)\right|+\left|-\left(\frac{-3}{5}\right)\right|}=$
- A$63 \frac{4}{81}$
- B$-23 \frac{7}{9}$
- ✓$-67 \frac{7}{9}$
- D$12 \frac{6}{17}$
Answer
View full question & answer→Correct option: C.
$-67 \frac{7}{9}$
C
MCQ 171 Mark
$\frac{5}{8}$ the rational number between $\frac{1}{2}$ and $\frac{3}{4}$ Which of the following is not a rational number between $\frac{1}{2}$ and $\frac{3}{4} ?$
- A$\frac{9}{16}$
- ✓$\frac{13}{16}$
- C$\frac{10}{16}$
- D$\frac{11}{16}$
Answer
View full question & answer→Correct option: B.
$\frac{13}{16}$
B
MCQ 181 Mark
If $\frac{x}{y}=\frac{9}{8}$, then the value of $\left(\frac{6}{7}+\frac{y-x}{y+x}\right)$ equals:
- A$\frac{9}{119}$
- ✓$\frac{95}{119}$
- C$\frac{19}{119}$
- D$1 \frac{9}{119}$
Answer
View full question & answer→Correct option: B.
$\frac{95}{119}$
B
MCQ 191 Mark
Which of the following is incorrect?
- A$\frac{-3}{7}>\frac{-3}{5}$
- B$-9 \frac{2}{3}>-9 \frac{4}{5}$
- ✓$-11 \frac{1}{4}<-11 \frac{3}{5}$
- D$-13 \frac{1}{3}<-13 \frac{1}{5}$
Answer
View full question & answer→Correct option: C.
$-11 \frac{1}{4}<-11 \frac{3}{5}$
C