30.9 * 3000 - 10.1 * 1100 + 8298 - 4302 = ?
A). 80000
B). 90000
C). 105000
D). 85000
85000
NA
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1. What should come in place of the question mark (?) in the following question? \(\sqrt ? \times \sqrt {3025} = 2640\)
2. What is the least number which should be subtracted from 0.000326, to have perfect square
3. The value of $\sqrt{\frac{(6.1)^{2} + (61.1)^{2} + (611.1)^{2}}{(0.61)^{2} + (6.11)^{2} + (61.11)^{2}}}$ is
4. The value of $(11111)^{2}$ is
5. \(\sqrt {8\sqrt {57 + \sqrt {38 + \sqrt {108 + \sqrt {169} } } } } = ?\)
6. What will come in place of question mark ‘?’ in the following question? \(\frac{5}{6} \div \frac{6}{7} \times ? - \frac{8}{9} \div 1\frac{3}{5} + \frac{3}{4} \times 3\frac{1}{3} = 2\frac{7}{9}\)
7. Which of the following groups of fractions is in descending order?
8. What should come in place of the question mark (?) in the following question? (75)2 – (35)2 + (39)2 + (2)3 = (?)2
9. What value should come in the place of question mark (?) in the following question? 97846 – 43241 + 50253 =? – 3727
10. What should come in place of the question mark (?) in the following question? 15.8 × 3 + 8.1 - 21.5 = ? + 14.6
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