# Two-third of a positive number and 25/216 of its reciprocal are equal. The number is:

1.  5/12

2.  12/5

3.  25/144

4.  144/25

4

5/12

Explanation :
No Explanation available for this question

# Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.

1.  3

2.  10

3.  17

4.  20

4

3

Explanation :
No Explanation available for this question

# A positive number when decreased by 4 is equal to 21 times the reciprocal of the number. The number is:

1.  3

2.  5

3.  7

4.  9

4

7

Explanation :
No Explanation available for this question

# The sum of a positive number and its reciprocal is thrice the difference of the number and its reciprocal. The number is:

1.  √2

2.  1/√2

3.  √3

4.  1/√3

4

√2

Explanation :
No Explanation available for this question

# The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is:

1.  1/289

2.  289/290

3.  290/289

4.  289

4

290/289

Explanation :
No Explanation available for this question

# Ifis added to a number and the sum multiplied byand 3 is added to the product and then dividing the sum bythe quotient becomes 25. What is the number

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# Three numbers are in the ratio 4 : 5 : 6 and their average is 25. The largest number is:

1.  30

2.  32

3.  36

4.  42

4

30

Explanation :
No Explanation available for this question

# Three numbers are in the ratio 3 : 4 : 6 and their product is 1944. The largest of these numbers is :

1.  6

2.  12

3.  18

4.  None of these

4

18

Explanation :
No Explanation available for this question

# Two numbers are such that the square of one is 224 less than 8 times the square of the other. If the numbers be in the ratio of 3 : 4, the numbers are:

1.  36

2.  48

3.  56

4.  64

4

36

Explanation :
No Explanation available for this question

1.  36

2.  48

3.  56

4.  64

4