Recent questions tagged numerical-ability

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A container has 20 L of milk. 4 L of milk is replaced with an equal quantity of water. What was will be the final quantity of milk in the container if the process is repe...
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The velocity of a boat ralative to water is $3i+4j$ and that of water relative to earth is $i-3j$, the velocity of the boat relative to the earth is:$3i+4j$$4i+j$$4j+i$$i...
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After the price of apples reduced, it enabled a person to purchase $3$ apples for $₹1$ instead of $₹1.25$. What is the percentage reduction in price?$20$$25$$30$$33.3...
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The equation $ax-(a+b)y=1$ and $(a-b)x+ay=5$ have a unique solution:for all values of $a$ and $b$only when $a=b$only when $a^{2}:b^{2}=1:2$only when $a=0$ and $b=0$
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$A$ can complete half work in $7$ days $B$ can do $\dfrac{1}{3}$ of work in $14$ days .while $C$ can complete the $20\%$ of the remaining work in $\dfrac{28}{5}$ days. In...
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