# The ratio of the numbers of boys and girls of a school with 504 students is 13 : 11. What will be the new ratio if 12 more girls are admitted

1.  91 : 81

2.  81 : 91

3.  9 : 10

4.  10 : 9

4

91 : 81

Explanation :
No Explanation available for this question

# A and B have monthly incomes l in the ratio 5 : 6 and monthly expenditures in the ratio 3 : 4. If I they save Rs. 1800 and Rs. 1600 respectively, find the monthly income of B :

1.  Rs. 3400

2.  Rs. 2700

3.  Rs. 1720

4.  Rs. 7200

4

Rs. 7200

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

1.  0

2.  1

3.  10

4.  30

4

10

Explanation :
No Explanation available for this question

# If the angles of a tower from two points distant a and b (b > a) from its foot and in the same straight line from it are 60° and 30°, then the height of the tower is:

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# The sum of the squares of two positive numbers is 100 and difference of their squares is 28. Find the sum of the numbers :

1.  12

2.  13

3.  14

4.  15

4

14

Explanation :
No Explanation available for this question

# The L.C.M. of two numbers is 1820 and their H.C.F. is 26. If one number is 130 then the other number is:

1.  70

2.  1690

3.  364

4.  1264

4

364

Explanation :
No Explanation available for this question

# Two numbers are respectively 20% and 50% of a third number. What per cent is the first number of the second

1.  10%

2.  20%

3.  30%

4.  40%

4

40\%

Explanation :
No Explanation available for this question

1.  Rs. 15000

2.  Rs. 10500

3.  Rs. 10050

4.  Rs. 10000

4