# A and B earn in the ratio 2:1. They spend in the ratio 5 : 3 and save in the ratio 4 : 1. If the total monthly savings of both A and B are R.s 5,000, the monthly income of B is

1.  R.s 7,000

2.  R.s  14,000

3.  R.s 5,000

4.  R.s 10.000

4

R.s 7,000

Explanation :
No Explanation available for this question

# The ratio of the sum of two numbers and their difference is 5:1. The ratio of the greater number to the smaller number is

1.  2 : 3

2.  3 : 2

3.  5 : 1

4.  1 : 5

4

3 : 2

Explanation :
No Explanation available for this question

# Successive discounts of 10%, 20% and 50% will be equivalent to a single discount of

1.  36%

2.  64%

3.  80%

4.  56%

4

64\%

Explanation :
No Explanation available for this question

# An employer reduces the number of his employees in the ratio 9 : 8 and increases their wages in ; the ratio 14:15. If the original wage bill was R.s 18,900, find the ratio in which the wage bill is decreased.

1.  20 : 21

2.  21 : 20

3.  20 : 19

4.  19 : 21

4

21 : 20

Explanation :
No Explanation available for this question

# The batting average for 40 innings of a cricketer is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player is

1.  165

2.  170

3.  172

4.  174

4

174

Explanation :
No Explanation available for this question

# A and B are two alloys of gold and copper prepared by mixing metals in the ratio 7 : 2 and 7 : 11 respectively. If equal quantities of the alloys are melted to form a third alloy C, the ratio of gold and copper in C will be

1.  5 : 7

2.  5 : 9

3.  7 : 5

4.  9 : 5

4

7 : 5

Explanation :
No Explanation available for this question

# In a laboratory, two bottles contain mixture of acid and water in the ratio 2: 5 in the first bottle and 7 : 3 in the second. The ratio in which the contents of these two bottles be mixed such that the new mixture has acid and water in the ratio 2 : 3 is

1.  4 : 15

2.  9:8

3.  21:8

4.  1:2

4

21:8

Explanation :
No Explanation available for this question

# The average of three numbers is 154. The first number is twice the second and the second number is twice the third. The first number is

1.  264

2.  132

3.  88

4.  66

4

264

Explanation :
No Explanation available for this question

# The average salary of ail the staff : ; in an office of a corporate house is R.s 5,000. The average salaiy of the officers is R.s 14,000 and that of the rest is R.s 4,000. If the total number of staff is 500, the ; ; number of officers is .

1.  10

2.  15

3.  25

4.  50

4

50

Explanation :
No Explanation available for this question

1.  70

2.  72

3.  71.9

4.  72.1

4