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Please post the approach.
The test series has begun.
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N = 202 x 20002 x 200000002 x 200000...2(15 zeros) x 200000...2(31 zeros) ?
Find the sum of digits of N ?
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There are 5 couples. In how many ways can they be seated around a circular table such that the men and women occupy alternate positions and no couples sit together?
If N = 6^4 * 10^2 then what is the product of all factors of N which are multiples of 5?
The HCF of how many distinct pairs of 18000 is 75 ?
http://imgur.com/rnvuVqp Can you please help me on this?
Quest 24 plz.. approach
Ratio of milk and water in a mixture is 7:3. If 40 litres of mixture is replaced with water, ratio becomes 3:2 . Find initial quantity of milk.
- 144
- 168
- 196
0 voters
A cylindrical container is 4/7 full. From this, if x litres is removed, the container becomes only 1/4 full. If 35 L is now added to the container it will become half full. Find x and v ?
Don't have OA but I got 48. What do you think?
Two alloys of iron have different percentage of iron in them .The first one weights 6 kg and second one weights 12 kg. One piece each of equal weight was cut off from both the alloys and the first piece were alloyed with the second alloy and the second piece alloyed with the first one. As a result, the percentage of iron became the same in the resulting two new alloys. What was the weight of each cut-off piece?
A salesman sells two kinds of trousers: cotton and woollen. A pair of cotton trousers is sold at 30% profit and a pair of woollen trousers is sold at 50% profit. The salesman has calculated that if he sells 100% more woollen trousers than cotton trousers, his overall profit will be 45%. However he ends up selling 50% more cotton trousers than woollen trousers. What will be his overall profit? Please post your approach also?
- 37.5 %
- 40 %
- 41%
0 voters
Solution please
Q4 pls?
What is the concept behind this question? How should I solve this?
How are these type of questions solved?
Q35