In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Father was upset (1)/when he found that (2)/you are not there.(3)/No Error (4)

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Freedom fighters laboured (1)/ to the good of (2)/the poor enslaved masses.(3)/No Error (4)

If Cos θ = 35/37 , then what is the value of Cot θ?

Δ LMN is right angled at M. If m∠N = 45°, what is the length of MN (in cm), if NL = 9√2 cm?

What is the value of Sin 30° - Cosec 45°?

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:3 and area of ΔADE is 4 sq cm, what is the area (in sq cm) of quadrilateral BDEC.

What is the equation of the line perpendicular to the line 2x + 3y= -6 and having Y-intercept 3?

The distance between the points (4, 8) and (k,-4) is 13. What is the value of k?