\(1\frac{3}{4} - 1\frac{1}{5} + 1\frac{5}{8} = ?\)
\(2\frac{7}{{40}}\)
\(3\frac{7}{{40}}\)
\(9\frac{5}{8}\)
\(10\frac{7}{8}\)
None of these
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1
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If x + y + z = 0, then x3 + y3 + z3 + 3xyz is equal to = ?
Solution |
2
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When \(\left( {\frac{1}{2} - \frac{1}{4} + \frac{1}{5} - \frac{1}{6}} \right) \) is divided by \(\left( {\frac{2}{5} - \frac{5}{9} + \frac{3}{5} - \frac{7}{{18}}} \right)\) then the result is = ?
Solution |
3
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If \(\left( {x + \frac{1}{x}} \right){ \text{ = 2,}}\) then \(\left( {x - \frac{1}{x}} \right)\) is equal to = ?
Solution |
4
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If \(\frac{p}{a} + \frac{q}{b} + \frac{r}{c} = 1\) and \(\frac{a}{p} + \frac{b}{q} + \frac{c}{r} = 0\) where a, b, c, p, q, r are non-zero real numbers, then \(\frac{{{p^2}}}{{{a^2}}} + \frac{{{q^2}}}{{{b^2}}} + \frac{{{r^2}}}{{{c^2}}}\) is equal to = ?
Solution |
5
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One-third of Rahul's savings in National Savings Certificate is equal to one-half of his savings in Public Provident Fund. If he has Rs. 1,50,000 as total savings, how much has he saved in Public Provident Fund ?
Solution |
6
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\(\left\{ {\left( {\sqrt {72} - \sqrt {18} } \right) \div \sqrt {12} } \right\}\) is equal to = ?
Solution |
7
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25 * 3.250 + 50.40 / 24.0 = ?
Solution |
8
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24.962 ÷ (34.11 ÷ 20.05) + 67.96 - 89.11 = ?
Solution |
9
Discuss
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There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is:
Solution |
10
Discuss
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A fires 5 shots to B's 3 but A kills only once in 3 shots while B kills once in 2 shots. When B has missed 27 times, A has killed:
Solution |
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