# If cotθ=7/24andΠ

1.  19/25

2.  18/25

3.  17/25

4.  16/25

4

17/25

Explanation :
No Explanation available for this question

# If x+y+z=0 then

1.  1

2.  -1

3.  0

4.  2

4

0

Explanation :
No Explanation available for this question

# In the given figure,if DE/BC=2/3and if AE =10 cm. find AB :

1.  16 cm

2.  12 cm

3.  15 cm

4.  18 cm

4

15 cm

Explanation :
No Explanation available for this question

# If x=r sinθ cosΦ,y=r sinθ sinΦ and z=r cosθ then x2+y2+z2 is

1.  r2 cos2Φ

2.  r2 sin2θ+r2 cos2Φ

3.  r2

4.  1/r2

4

r2

Explanation :
No Explanation available for this question

# A common factor of (137 + ll7) and (135 + ll5) is :

1.  24

2.  .13 power 5+ 11 power 5

3.  .13 sqr+11 sqr

4.  None of the above

4

24

Explanation :
No Explanation available for this question

# The value of is

1.  12/22

2.  22/5

3.  5/22

4.  1

4

1

Explanation :
No Explanation available for this question

# If the angle of elevation of a cloud from a point h metres above a lake is P and the angle of depression of its reflection in the lake is a, then the height of the cloud is:

1.  h cosec (a + 0) cosec (a + /3)

2.  )h cosec (a + P) sin (a - J3)

3.  )h sin (a + P) cosec (a - p)

4.  h cosec [a + /) sin(a - fi)

4

)h sin (a + P) cosec (a - p)

Explanation :
No Explanation available for this question

# .The average age of 14 girls and their teacher’s age is 15 years. If the teacher’s age is excluded, the average reduces by 1. What is the teacher’s age

1.  35 years

2.  (32 years

3.  )30 years

4.  )29 years

4

)29 years

Explanation :
No Explanation available for this question

# Ram purchased a horse and ; carriage for Rs. 1800. He sol< the house at a profit of 20 pe cent, and the carriage at a profi of 30 per cent. His total profi was 25 5/6%. Find the cost prio of the horse.

1.  Rs. 800

2.  Rs. 750

3.  Rs. 775

4.  Rs. 825

4

Rs. 750

Explanation :
No Explanation available for this question

1.  6050

2.  9075

3.  12100

4.  24200

4