CBSE Class 10 Mathematics Question Paper Solved 2021 Set F

Section - A

Q.1) How many solutions are there if the lines I₁and I₂ are parallel?

Q.2) If Δ ABC ~ Δ DEF, BC = 3 cm EF =4 cm and area of Δ ABC = 54 cm² then find the area of Δ DEF .

Q 3) If Sin θ =3/5 then find the value of Cos θ

Q.4) Find the median of 30, 5, 2, 22, 14, 26, 10 .

Section - B

Q.5) Find the quadratic polynomial, the sum & the product of whose zeroes are 3 & 2 respectively.

Q.6) At a certain time in a deer park, the number of heads and the number of legs of deer and human visitors were counted and it was found there were 39 heads & 132 legs. Find the number of deer and human visitors in the park.

Q.7) A ladder 10m long reaches a window 8m above the ground. Find the distance of the foot of the ladder from the base of the wall.

Q.8) Show that Cos38^o Cos52^o – Sin38^o Sin52 ^o = 0.

Q.9) Find the mean of the following data

Section - C

Q.11) The HCF of two numbers is 4 and their LCM is 9696. If one number is 96. Find the other number.

Q.12) If α, β are the zeroes of the polynomial 2x² – 4x + 5 find the value of α² + β²

Q.13) Find the value of x and y for the pair of linear equations

7(y + 3) ─ 2(x + 2) = 14,