# [52+62+72+--------+102] is equal to

1.  330

2.  345

3.  355

4.  360

4

355

Explanation :
No Explanation available for this question

# if tan7Θ tan2Θ=1 then the value of tan3Θ is

1.  √3

2.  -1/√3

3.  1/√3

4.  -√3

4

1/√3

Explanation :
No Explanation available for this question

# The, shadow of a tower is√3 times its height. Then the angle of elevation of the. top of the tower is

1.  450

2.  300

3.  600

4.  900

4

300

Explanation :
No Explanation available for this question

# if 4 tanΘ=3 find the value of

1.  1/6

2.  1/8

3.  1/12

4.  1/14

4

1/6

Explanation :
No Explanation available for this question

# The ratio of the cost price and selling price of an article is 20 : 21. The gain percent is

1.  3

2.  4

3.  5

4.  6

4

5

Explanation :
No Explanation available for this question

# In a triangle ABC,ABC=750 andACB=∏c/4. the circular measure ofBAC is

4

Explanation :
No Explanation available for this question

# The single discount,which is equivalent to three successive discounts of 25%, 20% and 10% is

1.  55%

2.  54%

3.  46%

4.  45%

4

46\%

Explanation :
No Explanation available for this question

# The Value of an equipment depreciates by 20% each• year. How much less Will the value of the equipment be after 3 years

1.  48.8%

2.  51.2%

3.  54%

4.  60%

4

48.8\%

Explanation :
No Explanation available for this question

# A's Salary is 40%. of H's salary and B's salary is 25% of C's salary. What'percentage of C's salary is A's salary

1.  5%

2.  10%

3.  15%

4.  20%

4

10\%

Explanation :
No Explanation available for this question

1.  3:4

2.  9:16

3.  3:16

4.  1:4

4