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Recent questions tagged numerical-ability

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GATE GENERAL APTITUDE | CHAPTER 34: Mixtures and Alligations | Page 302 Example 2|
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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2 answers
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NIELIT 2017 DEC Scientific Assistant A - Section A: 31
In how many different ways can the letters of the word ‘MATHEMATICS’ be arranged so that the vowels always come together? $10080$ $4989600$ $120960$ None of the options
In how many different ways can the letters of the word ‘MATHEMATICS’ be arranged so that the vowels always come together?$10080$$4989600$$120960$None of the options
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NIELIT 2017 DEC Scientific Assistant A - Section A: 32
Irvin sold a book at a profit of $12\%$. If Irvin had sold it for $\text{₹}18$ more, then $18\%$ would have been gained. Find the cost price. $\text{₹}600$ $\text{₹}300$ $\text{₹}400$ $\text{₹}200$
Irvin sold a book at a profit of $12\%$. If Irvin had sold it for $\text{₹}18$ more, then $18\%$ would have been gained. Find the cost price.$\text{₹}600$$\text{₹}3...
1 votes
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NIELIT 2017 DEC Scientific Assistant A - Section A: 36
If $\log_{x}y=100$ and $\log_{2}x=10$, then the value of $y$ is : $2^{10}$ $2^{100}$ $2^{1000}$ $2^{10000}$
If $\log_{x}y=100$ and $\log_{2}x=10$, then the value of $y$ is :$2^{10}$$2^{100}$$2^{1000}$$2^{10000}$
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NIELIT 2017 DEC Scientific Assistant A - Section A: 34
Ali is thrice as good as workman as Birju and therefore is able to finish a job in $60$ days less than Birju. If both Ali and Birju, work together, they can do it in: $20$ days $22.5$ days $25$ days $30$ days
Ali is thrice as good as workman as Birju and therefore is able to finish a job in $60$ days less than Birju. If both Ali and Birju, work together, they can do it in:$20$...
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NIELIT 2017 DEC Scientific Assistant A - Section A: 41
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: $3i+4j$ $4i+j$ $4j+i$ $i+4j$
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$$i...
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NIELIT 2017 DEC Scientific Assistant A - Section A: 39
After the price of apples reduced, it enabled a person to purchase $3$ apples for $₹1$ instead of $₹1.25$. What is the percentage reduction in price? $20$ $25$ $30$ $33.33$
After the price of apples reduced, it enabled a person to purchase $3$ apples for $₹1$ instead of $₹1.25$. What is the percentage reduction in price?$20$$25$$30$$33.3...
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NIELIT 2017 DEC Scientific Assistant A - Section A: 38
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 $b=0$
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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NIELIT 2017 DEC Scientific Assistant A - Section A: 44
If a fair coin is tossed $5$ times and comes up heads four times out of five. Then if the coin is tossed a sixth time under the same conditions, the probability of it turning up heads is: $80\%$ $125\%$ $50\%$ $20\%$
If a fair coin is tossed $5$ times and comes up heads four times out of five. Then if the coin is tossed a sixth time under the same conditions, the probability of it tur...
2 votes
3 answers
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self doubt
$A$ 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 how many days $A,B,C$ will complete the work together ?
$A$ 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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