Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg

1.  1:3

2.  2:3

3.   3:4

4.  4:5

View Answer  
4
Correct Answer :

2:3


Explanation :
No Explanation available for this question

In what ratio must tea at Rs. 62 per kg be mixed with tea at Rs. 72 per kg so that the mixture must be worth Rs. 64.50 per Kg

1.  3:1

2.   3:2

3.  4:3

4.  5:3

View Answer  
4
Correct Answer :

3:1


Explanation :
No Explanation available for this question

In what ratio must water be mixed with milk costing Rs. 12 per litre to obtain a mixture worth of Rs. 8 per litre

1.  1:2

2.  2:1

3.  2:3

4.  3:2

View Answer  
4
Correct Answer :

1:2


Explanation :
No Explanation available for this question

In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women

1.  63

2.  90

3.  126

4.  45

5.  135

View Answer  
5
Correct Answer :

63


Explanation :
No Explanation available for this question

The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2:3, then the price per kg of the mixed variety of rice is

1.  Rs. 18

2.  Rs. 18.50

3.   Rs. 19

4.  Rs. 19.50

View Answer  
4
Correct Answer :

Rs. 18


Explanation :
No Explanation available for this question

In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and a 10 women

1.  266

2.  5040

3.  11760

4.  86400

5.  None of these

View Answer  
5
Correct Answer :

11760


Explanation :
No Explanation available for this question

In what ratio must a grocer mix two varieties of tea worth Rs.60 a kg and Rs.65 a kg so that by selling the mixture at Rs. 68.20 a kg be may gain 10%

1.  3:2

2.   3:4

3.  3:5

4.  4:5

View Answer  
4
Correct Answer :

3:2


Explanation :
No Explanation available for this question

From a group of 7 men and 6 women, five persons are to be selected to form a committees so that   at least 3men are there on the committee. In how many ways it can be done

1.  564

2.  645

3.  735

4.  756

5.  None of these

View Answer  
5
Correct Answer :

756


Explanation :
No Explanation available for this question

How many kilograms of sugar costing Rs.9 per kg must be mixed with 27 kg of sugar costing Rs.7 per kg so that there may be a gain of 10% by selling the mixture at Rs.9.24 per kg

1.  36 kg

2.  42 kg

3.  54 kg

4.  63 kg

View Answer  
4
Correct Answer :

63 kg


Explanation :
No Explanation available for this question

In a group of 6 boys and 4 girls .four children are to be selected. In how many different ways can they be selected such that at least one boy should be there

1.  159

2.  194

3.  205

4.  209

5.  None of these

View Answer  
5
Correct Answer :

209


Explanation :
No Explanation available for this question
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